KROHNE SMARTPAT PH 8320 (01) PDF MANUAL


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PDF Content Summary: SMARTPAT PH 8320 HandbookHandbook Handbook Digital pH sensor for the water and wastewater industry © KROHNE 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en : IMPRINT ::::::::::::::::::::::::::::::::::::::: All rights reserved. It is prohibited to reproduce this documentation, or any part thereof, without the prior written authorisation of KROHNE Messtechnik GmbH. Subject to change without notice. Copyright 2016 by KROHNE Messtechnik GmbH - Ludwig-Krohne-Str. 5 - 47058 Duisburg (Germany) 2 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en CONTENTS SMARTPAT PH 8320 1 Safety instructions 5 1.1 Software History ............................................................................................................... 5 1.2 Intended use ..................................................................................................................... 6 1.3 Certifications .................................................................................................................... 6 1.4 Safety instructions from the manufacturer ..................................................................... 7 1.4.1 Copyright and data protection ................................................................................................ 7 1.4.2 Disclaimer ............................................................................................................................... 7 1.4.3 Product liability and warranty ................................................................................................ 8 1.4.4 Information concerning the documentation........................................................................... 8 1.4.5 Warnings and symbols used................................................................................................... 9 1.5 Safety instructions for the operator................................................................................. 9 2 Device description 10 2.1 Scope of delivery............................................................................................................. 10 2.2 Device description .......................................................................................................... 11 2.3 Nameplate ...................................................................................................................... 12 3 Installation 13 3.1 General notes on installation ......................................................................................... 13 3.2 Storage and transport .................................................................................................... 14 3.3 Pre-installation requirements ....................................................................................... 14 3.4 Installation procedure .................................................................................................... 15 4 Electrical connections 16 4.1 Safety instructions.......................................................................................................... 16 4.2 Power supply .................................................................................................................. 16 4.3 Grounding and equipotential bonding............................................................................ 17 4.4 Connecting the cable to the sensor ............................................................................... 17 4.5 Connecting the sensor cable.......................................................................................... 18 4.6 Connection diagram ....................................................................................................... 18 4.7 Installing the sensor....................................................................................................... 20 4.7.1 General installation instructions .......................................................................................... 20 4.7.2 Installation instructions........................................................................................................ 21 4.7.3 Installation steps................................................................................................................... 21 5 Operation 22 5.1 Calibration ...................................................................................................................... 22 5.1.1 Calibration with PACTwareTM............................................................................................... 22 5.1.2 Calibration with HART® Handheld 475 FIELD COMMUNICATOR ........................................ 24 5.2 Troubleshooting.............................................................................................................. 27 5.3 Status messages and diagnostic information................................................................ 28 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com 3 CONTENTS SMARTPAT PH 8320 6 Service 29 6.1 Maintenance ................................................................................................................... 29 6.1.1 Cleaning ................................................................................................................................ 29 6.1.2 Aging and re-calibration ....................................................................................................... 29 6.2 Availability of services .................................................................................................... 30 6.3 Returning the device to the manufacturer..................................................................... 31 6.3.1 General information.............................................................................................................. 31 6.3.2 Form (for copying) to accompany a returned device............................................................ 32 6.4 Disposal .......................................................................................................................... 32 7 Technical data 33 7.1 Measuring principle........................................................................................................ 33 7.1.1 pH measurement .................................................................................................................. 33 7.2 Technical data................................................................................................................. 35 7.3 Dimensions..................................................................................................................... 37 8 Description of HART interface 38 8.1 General description ........................................................................................................ 38 8.2 Software history ............................................................................................................. 38 8.3 Connection variants........................................................................................................ 39 8.3.1 Point-to-Point connection - analogue / digital mode........................................................... 40 8.4 Inputs/outputs and HART® dynamic variables and device variables............................ 41 8.5 Field Communicator 475 (FC 475).................................................................................. 41 8.5.1 Installation ............................................................................................................................ 41 8.6 Field Device Tool / Device Type Manager (FDT/DTM).................................................... 42 8.6.1 Installation ............................................................................................................................ 42 8.7 Overview Basic-DD menu tree (positions in menu tree) ............................................... 42 8.8 Basic-DD menu tree (details for settings) ..................................................................... 43 9 Appendix 46 9.1 pH as a function of mV.................................................................................................... 46 9.2 pH temperature dependency.......................................................................................... 47 4 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 1.1 Software History SAFETY INSTRUCTIONS 1

The "Electronic Revision" (ER) is consulted to document the revision status of electronic equipment according to NE 53 for all GDC devices. It is easy to see from the ER whether troubleshooting or larger changes in the electronic equipment have taken place and how that has affected the compatibility. Changes and effect on compatibility 1 Downwards compatible changes and fault repair with no effect on operation (e.g. spelling mistakes on display) 2-_ Downwards compatible hardware and/or software change of interfaces: H HART® P PROFIBUS F Foundation Fieldbus M Modbus X all interfaces 3-_ Downwards compatible hardware and/or software change of inputs and outputs: I Current output F, P Frequency / pulse output S Status output C control input CI Current input X all inputs and outputs 4 Downwards compatible changes with new functions 5 Incompatible changes, i.e. electronic equipment must be changed. INFORMATION! In the table below, "x" is a placeholder for possible multi-digit alphanumeric combinations, depending on the available version.

Release date SW/HW version Changes and compatibility Documentation 2015-12-01 SW 1.0.x HW 1.0.x - MA SMARTPAT pH 8320 R03

5 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

1 SAFETY INSTRUCTIONS 1.2 Intended use DANGER! SMARTPAT PH 8320

For devices used in hazardous areas, additional safety notes apply; please refer to the Ex documentation. CAUTION! Responsibility for the use of the measuring devices with regard to suitability, intended use and corrosion resistance of the used materials against the measured fluid lies solely with the operator. INFORMATION! The manufacturer is not liable for any damage resulting from improper use or use for other than the intended purpose. The intended use of the sensor SMARTPAT PH 8320 is the measurement of pH in liquids. 1.3 Certifications CE marking The device fulfils the statutory requirements of the following EC directives: • EMC Directive 2004/108/EC (valid until 2016/04/19) or EMC Directive 2014/30/EU (valid from 2016/04/20) as well as • NAMUR recommendation NE 21 The manufacturer certifies successful testing of the product by applying the CE marking. 6 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 1.4 Safety instructions from the manufacturer 1.4.1 Copyright and data protection SAFETY INSTRUCTIONS 1

The contents of this document have been created with great care. Nevertheless, we provide no guarantee that the contents are correct, complete or up-to-date. The contents and works in this document are subject to copyright. Contributions from third parties are identified as such. Reproduction, processing, dissemination and any type of use beyond what is permitted under copyright requires written authorisation from the respective author and/or the manufacturer. The manufacturer tries always to observe the copyrights of others, and to draw on works created in-house or works in the public domain. The collection of personal data (such as names, street addresses or e-mail addresses) in the manufacturer's documents is always on a voluntary basis whenever possible. Whenever feasible, it is always possible to make use of the offerings and services without providing any personal data. We draw your attention to the fact that data transmission over the Internet (e.g. when communicating by e-mail) may involve gaps in security. It is not possible to protect such data completely against access by third parties. We hereby expressly prohibit the use of the contact data published as part of our duty to publish an imprint for the purpose of sending us any advertising or informational materials that we have not expressly requested. 1.4.2 Disclaimer The manufacturer will not be liable for any damage of any kind by using its product, including, but not limited to direct, indirect or incidental and consequential damages. This disclaimer does not apply in case the manufacturer has acted on purpose or with gross negligence. In the event any applicable law does not allow such limitations on implied warranties or the exclusion of limitation of certain damages, you may, if such law applies to you, not be subject to some or all of the above disclaimer, exclusions or limitations. Any product purchased from the manufacturer is warranted in accordance with the relevant product documentation and our Terms and Conditions of Sale. The manufacturer reserves the right to alter the content of its documents, including this disclaimer in any way, at any time, for any reason, without prior notification, and will not be liable in any way for possible consequences of such changes. 7 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

1 SAFETY INSTRUCTIONS 1.4.3 Product liability and warranty SMARTPAT PH 8320

The operator shall bear responsibility for the suitability of the device for the specific purpose. The manufacturer accepts no liability for the consequences of misuse by the operator. Improper installation or operation of the devices (systems) will cause the warranty to be void. The respective "Standard Terms and Conditions" which form the basis for the sales contract shall also apply. 1.4.4 Information concerning the documentation To prevent any injury to the user or damage to the device it is essential that you read the information in this document and observe applicable national standards, safety requirements and accident prevention regulations. If this document is not in your native language and if you have any problems understanding the text, we advise you to contact your local office for assistance. The manufacturer can not accept responsibility for any damage or injury caused by misunderstanding of the information in this document. This document is provided to help you establish operating conditions, which will permit safe and efficient use of this device. Special considerations and precautions are also described in the document, which appear in the form of icons as shown below. 8 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 1.4.5 Warnings and symbols used SAFETY INSTRUCTIONS 1

Safety warnings are indicated by the following symbols. DANGER! This warning refers to the immediate danger when working with electricity. DANGER! This warning refers to the immediate danger of burns caused by heat or hot surfaces. DANGER! This warning refers to the immediate danger when using this device in a hazardous atmosphere. DANGER! These warnings must be observed without fail. Even partial disregard of this warning can lead to serious health problems and even death. There is also the risk of seriously damaging the device or parts of the operator's plant. WARNING! Disregarding this safety warning, even if only in part, poses the risk of serious health problems. There is also the risk of damaging the device or parts of the operator's plant. CAUTION! Disregarding these instructions can result in damage to the device or to parts of the operator's plant. INFORMATION! These instructions contain important information for the handling of the device. LEGAL NOTICE! This note contains information on statutory directives and standards. • HANDLINGHANDLING HANDLING This symbol designates all instructions for actions to be carried out by the operator in the specified sequence. i RESULT This symbol refers to all important consequences of the previous actions. 1.5 Safety instructions for the operator WARNING! In general, devices from the manufacturer may only be installed, commissioned, operated and maintained by properly trained and authorized personnel. This document is provided to help you establish operating conditions, which will permit safe and efficient use of this device. 9 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

2 DEVICE DESCRIPTION 2.1 Scope of delivery INFORMATION! SMARTPAT PH 8320

Inspect the packaging carefully for damages or signs of rough handling. Report damage to the carrier and to the local office of the manufacturer. INFORMATION! Do a check of the packing list to make sure that you have all the elements given in the order. INFORMATION! Look at the device nameplate to ensure that the device is delivered according to your order. Figure 2-1: Standard scope of delivery 1 Ordered sensor 2 Documentation Optional accessories • SENSOFIT FLOW 1000 series - Flow-through assemblies • SENSOFIT IMM 1000 / 2000 series - Immersion assemblies • SENSOFIT INS 1000 / 7000 series - Insertion assemblies • SENSOFIT RET / RAM 5000 series - Manual and pneumatic retractable assemblies • Cable VP2-S (cable with shield in various lengths) • SMARTMAC 200 W - Wall mount display with calibration and configuration function • SD 200 W/R - Wall or rack mount indicator • OPTIBRIDGE / SMARTBRIDGE – USB interface cable • SJB 200 W-Ex – Junction box Consumables/Spare parts available • Various pH buffer solutions for sensor calibration • Various cleaning solutions INFORMATION! For further information contact your local sales office. 10 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 2.2 Device description Figure 2-2: Construction of the pH sensor 1 VP2 connector 2 Nickel plated brass body 3 Process connection: PG 13.5 thread 4 Washer 5 O-ring 6 Glass shaft 7 Diaphragm 8 Membrane glass 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com DEVICE DESCRIPTION 2 11

2 DEVICE DESCRIPTION 2.3 Nameplate Figure 2-3: Example for a nameplate on the sensor body 1 Manufacturer 2 Address 3 Device name TAG number 4 Order code Serial number 5 Manufacturing date / Ingress protection 6 Electronic/electric device waste marking; Observe the operation and installation instruction / Approvals Figure 2-4: Example for a nameplate on the glass shaft 1 Manufacturer 2 Device name INFORMATION! SMARTPAT PH 8320

Look at the device nameplate to ensure that the device is delivered according to your order.The sensor type is specified on the label of the sensor package and on the sensor itself. 12 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 3.1 General notes on installation DANGER! INSTALLATION 3

For devices used in hazardous areas, additional safety notes apply; please refer to the Ex documentation. DANGER! All work on the electrical connections may only be carried out with the power disconnected. DANGER! Observe the national regulations for electrical installations! WARNING! During installation of the device make sure that you use ESD (electrostatic discharge) protection equipment. WARNING! Observe without fail the local occupational health and safety regulations. Any work done on the electrical components of the measuring device may only be carried out by properly trained specialists. INFORMATION! Inspect the packaging carefully for damages or signs of rough handling. Report damage to the carrier and to the local office of the manufacturer. INFORMATION! Do a check of the packing list to make sure that you have all the elements given in the order. INFORMATION! Look at the device nameplate to ensure that the device is delivered according to your order. 13 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

3 INSTALLATION 3.2 Storage and transport CAUTION! Do not store the sensor tip dry. This will shorten lifetime considerably. SMARTPAT PH 8320

Always store the pH sensor tip wet in a 3 molar KCl solution when not in use. Saltless water must be avoided since this would leak the KCl ions. The original packing in which the sensor tip was delivered contains a plastic tube with KCl solution and therefore is suitable for storage and transport. • Since the pH sensor is made out of glass it is very fragile. Avoid shocks of any kind. • Do not touch or scratch the membrane glass. • Store and transport the device in a dry, dust-free environment. • Store and transport the device in an environment with a temperature between 4...+30°C / 40...+86°F. • The original packing is designed to protect the equipment. It has to be used if the device is transported or sent back to the manufacturer including the sensor transportation packing, to prevent damage of the sensor. 3.3 Pre-installation requirements CAUTION! • Do not drop the device! Handle the device with care! • Never touch or scratch the pH membrane glass of the sensor. • Store the sensor in its original packaging in a dry, dust-free location. Keep it away from dirt. If necessary, clean it. See cleaning procedure on page 29. • Do not make any mechanical modifications to the sensor (electrodes shortened, drilled, bent or scratched). This can result in the loss of proper functionality, as well as the rights under the device warranty. • The sensor must be suitable for the temperature, pressure and medium conditions which are specified (including chemical resistance). INFORMATION! A sensor specific DTM software for usage with PACTwareTM FDT is available. The DTM software is free of charge and available from CD (scope of delivery) or can be downloaded from the KROHNE website (Downloadcenter). 14 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 INSTALLATION 3

Figure 3-1: Unpacking the sensor Unpacking the sensor • Remove by gently twisting and pulling the protective cap from the sensor 1. • Lay the sensor on a soft ESD mat or soft paper tissue 2. • Leave the protection cap on the VP connector, as long as the sensor is not connected to the cable. 3.4 Installation procedure WARNING! During installation of the device make sure that you use ESD (electrostatic discharge) protection equipment. Because a new pH sensor needs to be calibrated before it is installed into its final measuring location, it is important to follow the installation order: 1 Connect the sensor to the junction box or directly to the process control system. 2 Calibrate the sensor. 3 Install the sensor into its final measuring location. The required steps are explained in the following sections. 15 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

4 ELECTRICAL CONNECTIONS 4.1 Safety instructions DANGER! SMARTPAT PH 8320

For devices used in hazardous areas, additional safety notes apply; please refer to the Ex documentation. DANGER! All work on the electrical connections may only be carried out with the power disconnected. DANGER! Observe the national regulations for electrical installations! WARNING! Observe without fail the local occupational health and safety regulations. Any work done on the electrical components of the measuring device may only be carried out by properly trained specialists. INFORMATION! Look at the device nameplate to ensure that the device is delivered according to your order. 4.2 Power supply CAUTION! Do not use the integrate 250 Ohm HART® resistor of the SMARTMAC 200 W, when using an Ex isolation amplifiers of third-party with integrated 250 Ohm HART® resistor. The sensor requires a minimum operating voltage of 15 VDC. The power supply is provided via the 2-wire interface (4...20 mA). During initialisation of the sensor following values appear in the display mode of the "Measuring value": Conductivity NaN Resistance NaN Temperature NaN Loop current NaN The specification NaN (Not a Number) disappears after a few seconds once the initialisation of the sensor is completed. Afterwards, the measured values appear. 16 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 4.3 Grounding and equipotential bonding ELECTRICAL CONNECTIONS 4

Sensor type SMARTPAT pH must be grounded (hard grounding or capacitive connection to ground). SJB 200 W-Ex junction box offers the grounding possibility. For further information refer to the SJB 200 W-Ex manual. For connection of SMARTPAT sensor use only a VarioPin cable with shield wire, like the cable VP2-S. 4.4 Connecting the cable to the sensor WARNING! During installation of the device make sure that you use ESD (electrostatic discharge) protection equipment. CAUTION! Moisture on the sensor connector must be avoided! Moisture may cause a short-circuit and a malfuntion of the sensor! If moisture has entered the connector dry it with air (e.g. hot air gun). Figure 4-1: Connecting the cable to the sensor Connecting the cable to the sensor • Ensure that both cable and sensor connector are absolutely dry 1. • Screw the cable connector 2 on the sensor connector and tighten it by hand. 17 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

4 ELECTRICAL CONNECTIONS 4.5 Connecting the sensor cable DANGER! SMARTPAT PH 8320

All work on the electrical connections may only be carried out with the power disconnected. INFORMATION! The cable glands installed by the manufacturer are designed for a cable diameter of 8 mm...13 mm / 0,31"...0,51". If you are using cables with a larger diameter, you must replace the manufacturer's cable glands with suitable ones. The operator is responsible for the correct sealing of cable glands. Cable VP2-S Transparent-black (inner coax shield) Ub+ White Ub Shield S 4.6 Connection diagram Connection to SJB 200 W-Ex Figure 4-2: Example of a connection with a SJB 200 W-Ex junction box 1 SJB 200 W-Ex junction box with or without internal resistor used 2 Sensor with VP2-S cable 3 Display or other 4...20 mA loop powered device (e.g. data logger) 4 Control system without internal 250 Ω resistor connected to internal resistor of SJB 200 W-Ex 5 Control system with internal 250 Ω resistor connected to SJB 200 W-Ex without using internal resistor

SJB 200 W-Ex with internal resistor SJB 200 W-Ex without internal resistor

S Shield S Shield A Sensor + A Sensor + B Sensor - B Sensor - C Display + F Loop - w/o Display D Display - H Loop + E Loop - w/ Display G Loop + [250Ω] 18 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 HART® interface within SJB 200 W -HART+ Figure 4-3: Example of a HART® handheld connection 1 Connection via crocodile clips ELECTRICAL CONNECTIONS 4

2 Only for Ex: M12 connector for the HART Only for Ex: ® handheld connecting cable Connection of SMARTMAC 200 W with loop powered device via optional SJB 200 W-Ex junction box to a SMARPAT Sensor. Figure 4-4: Example of connecting the SMARTMAC 200 W to a control system without internal 250 Ω resistor and one additional loop powered device. 1 SMARTMAC 200 W 2 Sensor with VP2-S cable 3 Cable connection between SJB 200 W-Ex and SMARTMAC 200 W 4 Display or other 4...20 mA loop powered device (e.g. data logger) 5 Control system without internal 250 Ω resistor 6 SJB 200 W-Ex junction box

SMARTMAC 200 W with internal resistor SJB 200 W-Ex without internal resistor

S Shield A Sensor + A Sensor + B Sensor - B Sensor - C Display + F Loop - D Display G Loop + [250Ω] E Loop - w/ Display H Loop + INFORMATION! The SJB 200 W offers the opportunity to access the sensor via HART® hand held. For further information refer to the manual of the SJB 200 W. 19 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

4 ELECTRICAL CONNECTIONS Connection with sensor and control system SMARTPAT PH 8320

Figure 4-5: SMARTMAC 200 W connection to a control system with internal 250 Ω resistor (left side). SMARTMAC 200 W connection to a control system without internal 250 Ω resistor (right side). 1 SMARTMAC 200 W 2 Sensor with VP2-S cable 3 Control system with internal 250 Ω resistor 4 Control system without internal 250 Ω resistor

SMARTMAC 200 W without internal resistor SMARTMAC 200 W with internal resistor

S Shield S Shield A Sensor + A Sensor + B Sensor - B Sensor - F Loop - F Loop - H Loop + G Loop + [250Ω] 4.7 Installing the sensor 4.7.1 General installation instructions WARNING! Ensure that the pipeline is without pressure before installing or removing a sensor! INFORMATION! During installation you should fix a shut-off valve in front of and behind the instrument so that the sensor can be taken out in case of check. INFORMATION! To achieve reliable measuring results, the electrodes must always have full contact with the measuring medium. INFORMATION! Basically any installation position is possible. However, ensure that sufficient medium flows through and around the electrodes (the conductive electrodes must always be completely surrounded by the medium). Structural measures must be taken to prevent flow interruption or gas bubbles. 20 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 4.7.2 Installation instructions ELECTRICAL CONNECTIONS 4

The membrane glass must always have full contact with the measuring medium. The mounting position of the sensor should not deviate more than 75° from vertical position (sensor tip pointing downwards). Doing otherwise might cause internal air bubbles to float into the membrane glass. This would interrupt the electrical contact between the inner buffer solution and the glass surface. Figure 4-6: Installation requirements 1 Measuring medium 2 Maximum deviation of 75° from vertical position 4.7.3 Installation steps • Ensure that the washer and the O-ring is properly fitted, clean and undamaged. • Ensure that the raised face of the receiving part has a smooth surface • Screw the device into the thread by hand. Hand tight connection is sufficient. For this device the max. torque that can be used is 7 Nm. 21 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

5 OPERATION 5.1 Calibration 5.1.1 Calibration with PACTwareTM Manual hold • Start the function calibration calibrationcalibration calibration in menu mode Quick Setup Quick Setup Quick Setup or Setup. • Activate the function manual hold manual hold manual hold to avoid an alarm. • Select yes. • Press Next to proceed. Temperature compensation • Set the temperature compensation temperature compensation temperature compensation for calibration. • Select between automatic automaticautomatic automatic or manual. SMARTPAT PH 8320

i If you have selected manual temperature compensation manual temperature compensation, pl l temperature compensation ease enter the temperature of the pH buffer solution. Default setting: 25°C / 77°F. • Press Next to proceed. Start calibration procedure • Dip the sensor into the first pH buffer solution 1 and wait till the value is stable. • Press Next to proceed. i The measurement of pH buffer solution 1 pH buffer solution 1 pH buffer solution 1 starts and the values pH and temperature appear. After approx. 10 seconds the following values appear: pH value temperature value identified buffer value • Press Next to confirm the identified pH buffer solution. If necessary change the value of the pH buffer solution manually. If the sensor does not recognise the pH buffer solution the message buffer not recognised appears. buffer not recognised • Press Next to proceed. i The value 0 for the pH buffer solution appears. Enter the value of the pH buffer solution manually. • Press Next to proceed with the calibration procedure. • Clean the sensor with demineralised water 2. Figure 5-1: Calibration procedure 22 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 OPERATION 5

• Dip the sensor into the second pH buffer solution 3 and wait till the value is stable. • Press Next to proceed. i The measurement of pH buffer solution 2 pH buffer solution 2 pH buffer solution 2 starts and the values pH and temperature appear. After approx. 10 seconds the following values appear: pH value temperature value identified buffer value • Press Next to confirm the identified pH buffer solution. If necessary change the value of the pH buffer solution manually. If the sensor does not recognise the pH buffer solution the message buffer not recognised buffer not recognised buffer not recognised appears. • Press Next to proceed. i The value 0 for the pH buffer solution appears. Enter the value of the pH buffer solution manually. • Press Next to proceed with the calibration procedure. • Clean the sensor with demineralised water 2. i After a successful calibration the following values appear: Buffer solution 1 Buffer solution 2 Offset in mV Slope in mV/pH • Press Next to proceed. • Set the calibration date with DD-MM-YYYY and calibration time with HH-MM-SS. • Press Next to proceed. i The message Save values? Save values? Save values? appears. • Select yes to save the values. • Press Next to proceed. • Select no to deactivate the function manual hold manual hold manual hold. • Press Next to leave the calibration menu. A pH calibration is necessary in regular intervals or when installing a new pH sensor. If the calibration was not successful, the message Warning! Offset out of range! Warning! Offset out of range! Warning! Offset out of range! appears behind the value Offset and/or the message Warning! Slope out of range! Warning! Slope out of range! Warning! Slope out of range! behind the value Slope. In case the value of the slope is not plausible, additionally the message No saving possible No saving possible No saving possible appears. • Press Next to proceed. i The messages Warning! Offset out of range! Warning! Offset out of range! Warning! Offset out of range! or Warning! Slope out of range! Warning! Slope out of range! Warning! Slope out of range! appear. • Press Next to proceed. • Set the calibration date with DD-MM-YYYY and calibration time with HH-MM-SS. • Press Next to proceed. i The message Save values? Save values? Save values? appears. • Select between yes or no. • Press Next to proceed. • Select no to deactivate the function manual hold manual hold manual hold. • Press Next to leave the calibration menu. If the message Warning! Warning! Slope out of range! Warning! Slope out of range! appears together with the message No saving Slope out of range! No saving No saving No saving possiblepossible possible, no data can be saved. possible 23 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

5 OPERATION • Press Next to proceed. • Select no to deactivate the function manual hold manual hold manual hold. • Press Next to leave the calibration menu. SMARTPAT PH 8320

In a fully functional sensor, the optimal slope is -59 mV for each pH unit and the optimal zero point is 0 mV at pH 7. The slope should at least have a value between -50...-65 mV per pH unit. Re-calibrate the sensor if the slope does not approximate those limits. The pH sensor ages, the slope gets flatter and the zero error increases. CAUTION! • Never touch or scratch the pH sensitive glass tip of the sensor. • Make sure that the sensor tip is clean and dust-free. If necessary, clean the tip as described on page 29. CAUTION! Moisture on the sensor connector must be avoided! Moisture may cause a short-circuit and a malfuntion of the sensor! If moisture has entered the connector dry it with air (e.g. hot air gun). 5.1.2 Calibration with HART® Handheld 475 FIELD COMMUNICATOR Manual hold • Start the function calibration calibrationcalibration calibration in menu mode Quick Setup Quick Setup Quick Setup or Setup. • Activate the function manual hold manual hold manual hold to avoid an alarm. • Select Yes. • Press Enter to proceed. Temperature compensation • Set the temperature compensation temperature compensation temperature compensation for calibration. • Select between automatic automaticautomatic automatic or manual. i If you have selected manual temperature compensation manual temperature compensation, pl l temperature compensation ease enter the temperature of the pH buffer solution. Default setting: 25°C / 77°F. • Press Enter to proceed. Start calibration procedure • Dip the sensor into the first pH buffer solution 1 and wait till the value is stable. • Press Ok to proceed. i The measurement of pH buffer solution 1 pH buffer solution 1 pH buffer solution 1 starts and the values pH and temperature appear. After approx. 10 seconds the following values appear: pH value temperature value Status buffer detection → Finished identified buffer value • Press Ok to confirm the identified pH buffer solution. If necessary change the value of the pH buffer solution manually. • Press Enter to proceed. i If the sensor does not recognise the pH buffer solution the messages Identified buffer Identified buffer → 0 pH and Buffer not recognised 0 pH Buffer not recognised Buffer not recognised appear. • Press Ok to proceed. i Enter the value of the pH buffer solution manually. 24 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 • Press Enter to proceed with the calibration procedure. • Clean the sensor with demineralised water 2. Figure 5-2: Calibration procedure OPERATION 5

• Dip the sensor into the second pH buffer solution 3 and wait till the value is stable. • Press Ok to proceed. i The measurement of pH buffer solution 2 pH buffer solution 2 pH buffer solution 2 starts and the values pH and temperature appear. After approx. 10 seconds the following values appear: pH value temperature value Status buffer detection → Finished identified buffer value • Press Ok to confirm the identified pH buffer solution. If necessary change the value of the pH buffer solution manually. • Press Enter to proceed. i If the sensor does not recognise the pH buffer solution the messages Identified buffer Identified buffer → 0 pH and Buffer not recognised 0 pH Buffer not recognised Buffer not recognised appear. • Press Ok to proceed. i Enter the value of the pH buffer solution manually. • Press Enter to proceed with the calibration procedure. • Clean the sensor with demineralised water 2. i After a successful calibration the following values appear: Buffer solution 1 Buffer solution 2 Offset in mV Slope in mV/pH • Press Ok to proceed. • Set the calibration date with MM-DD-YYYY. Press the key > to enter the submenu. Now you can change the calibration date. • Press Enter and Ok to proceed. i The message save values? save values? save values? appears. • Select yes to save the values. • Press Enter to proceed. 25 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

5 OPERATION • Select no to deactivate the function manual hold manual hold manual hold. • Press Enter to leave the calibration menu. SMARTPAT PH 8320

A pH calibration is necessary in regular intervals or when installing a new pH sensor. If the calibration was not successful, the message Warning! Warning!Warning! Warning! appears behind the values Offset and/or Slope. • Press Ok to proceed. • Set the calibration date with MM-DD-YYYY. Press the key > to enter the submenu. Now you can change the calibration date. • Press Enter and Ok to proceed. i The messages Warning! Offset out of range! Warning! Offset out of range! Warning! Offset out of range! and/or Warning! Slope out of range! Warning! Slope out of range! Warning! Slope out of range! and Save values? values? appear. values? • Select between yes or no. • Press Enter to proceed. • Select No to deactivate the function manual hold manual hold manual hold. • Press Enter to leave the calibration menu. If the message ATTENTION! Slope out of range! ATTENTION! Slope out of range! ATTENTION! Slope out of range! appears, no data can be saved. • Press Ok to proceed. • The message No saving possible No saving possible No saving possible appears. • Press Ok to proceed. • Select no to deactivate the function manual hold manual hold manual hold. • Press Next to leave the calibration menu. In a fully functional sensor, the optimal slope is -59 mV for each pH unit and the optimal zero point is 0 mV at pH 7. The slope should at least have a value between -50...-65 mV per pH unit. Re-calibrate the sensor if the slope does not approximate those limits. The pH sensor ages, the slope gets flatter and the zero error increases. CAUTION! • Never touch or scratch the pH sensitive glass tip of the sensor. • Make sure that the sensor tip is clean and dust-free. If necessary, clean the tip as described on page 29. CAUTION! Moisture on the sensor connector must be avoided! Moisture may cause a short-circuit and a malfuntion of the sensor! If moisture has entered the connector dry it with air (e.g. hot air gun). 26 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 5.2 Troubleshooting Problem Possible cause Remedy OPERATION 5

The pH sensor does not deliver a signal. Mechanical damage of the glass, e.g. small cracks. This will shortcut the ion exchange and deliver a pH 7 reading. Exchange sensor.

Open circuit Check the cable wiring of the sensor cable on the junction box. Otherwise connect the sensor to the primary master e.g. PACTwareTM FTD/DTM or to the HART® handheld to exclude a sensor damage.

The pH sensor delivers an unstable signal. The diaphragm in the reference half cell does not provide good contact to the process medium due to drying up or coatings. • Clean the diaphragm with hot soap or acid using a soft tissue (details on page 29). • Submerge sensor in water and increase the temperature to +50...+60°C / +122...+140°F. • Submerge sensor in 3 molar KCl solution at ambient temperature. The decrease in temperature will cause the reference half cell to suck in KCl solution through the diaphragm and regenerate the diaphragms functionality.

High pH value Air bubble in the sensor tip (no inner buffer solution) Protect the sensor tip with a protection cap as described on page 14. Hold the sensor into a vertical position and help by rapid movements of the wrist to shake the liquid down. Remove the protection cap and check if there is still an air bubble inside the sensor tip. If necessary, repeat this procedure one more time.

The pH sensor does not deliver a HART® or 4...20 mA signal. No pH measurement. No temperature measurement (only applicable via HART®DD or PACTwareTM FDT/DTM). Open circuit or humidity between the connections. Broken lead, incorrect electrical connection. Electrodes are exposed to air (not fully immersed). Temperature sensor is faulty. Check the cable wiring of the sensor cable on the junction box. Otherwise connect the sensor to the primary master e.g. PACTwareTM FTD/DTM or to the HART® handheld to exclude a sensor damage. Check the electrical connection again! Check the installation location: is liquid medium present? Exchange pH sensor.

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5 OPERATION 5.3 Status messages and diagnostic information Measurements out of specification Message Message Description Message Description Description Action SMARTPAT PH 8320 S01 pH value > pH max pH value out of range Consider the measuring range limits, otherwise select a suitable sensor for the process conditions of

the application. S02 pH value < pH min pH value out of range S03 Temp. value > Temp max Temperature value out of range S04 Temp. value < Temp min Temperature value out of range Maintenance Message Message Description Message Description Description Action M01 Slope < -65 mV/pH Recalibrate the sensor. For more information refer to Calibration with PACTwareTM on page 22. M02 Slope > -50 mV/pH M03 Zero point < -99 mV M04 Zero point > +99 mV M05 Maintenance interval expired 28 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 6.1 Maintenance 6.1.1 Cleaning INFORMATION! Recalibrate the sensor after each cleaning procedure. SERVICE 6

• Slight dirt residues or dust: Rinse the sensor tip with demineralised water and clean it with a soft tissue. • Oily and greasy coatings: Remove with a warm soap solution and rinse with demineralised water. • Hardness deposits or metal hydroxide deposits: Soak the sensor tip including diaphragm in 10% citric acid or hypochloric acid for a couple of minutes and rinse the complete glass shaft of the sensor with demineralised water. • Biological fouling: Soak the sensor tip including diaphragm in 10% pepsin solution for minimum 3 hours and afterwards rinse the complete glass shaft of sensor with demineralised water. 6.1.2 Aging and re-calibration During operation, but already during storage, pH sensors age due to poisoning effects of the inner buffer system. Therefore it is important to re-calibrate the sensor in regular intervals. Consider status messages and diagnostic information. When the sensor becomes too old to provide reliable measurements, an error message (see on page 22) appears after the calibration procedure. In this case, the sensor has to be replaced. Aging effects of sensor: • Decrease of slope due to abrasion, drying, Decrease of slope corrosion of glass tip coating and leaching: The slope should be < -50 mV/pH. An optimal value is -59 mV/pH at 25°C / 77°F. When the slope rises above -50 mV/pH, an error message is displayed and the sensor has to be replaced. The slope of the sensor is displayed after each calibration procedure. • Shift of zero point due to strong temperat Shift of zero point ure changes, leaching and contamination of reference half cell or increased resistance between glass tip and reference half cell: The zero point should lie between -58...+58 mV at pH 7. An optimal value is 0 mV at pH 7. The zero point of the sensor is displayed after each calibration procedure. 29 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

6 SERVICE The following figure shows the aging effects Figure 6-1: Aging effects of sensor 1 Horizontal shift of slope 2 Vertical shift of slope 3 Decrease of slope INFORMATION! SMARTPAT PH 8320

The lifetime expectation depends heavily on the application. The right choice of the sensor type is very important. 6.2 Availability of services The manufacturer offers a range of services to support the customer after expiration of the warranty. These include repair, maintenance, technical support and training. INFORMATION! For more precise information, please contact your local sales office. 30 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 6.3 Returning the device to the manufacturer 6.3.1 General information SERVICE 6

This device has been carefully manufactured and tested. If installed and operated in accordance with these operating instructions, it will rarely present any problems. CAUTION! Should you nevertheless need to return a device for inspection or repair, please pay strict attention to the following points: • Due to statutory regulations on environmental protection and safeguarding the health and safety of the personnel, the manufacturer may only handle, test and repair returned devices that have been in contact with products without risk to personnel and environment. • This means that the manufacturer can only service this device if it is accompanied by the following certificate (see next section) confirming that the device is safe to handle. CAUTION! If the device has been operated with toxic, caustic, flammable or water-endangering products, you are kindly requested: • to check and ensure, if necessary by rinsing or neutralising, that all cavities are free from such dangerous substances, • to enclose a certificate with the device confirming that is safe to handle and stating the product used. 31 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

6 SERVICE 6.3.2 Form (for copying) to accompany a returned device CAUTION! SMARTPAT PH 8320

To avoid any risk for our service personel, this form has to be accessible from outside of the packaging with the returned device. Company: Address: Department: Name: Tel. no.: Fax no. and/or Email address: Manufacturer's order no. or serial no.: The device has been operated with the following medium: This medium is: radioactive water-hazardous toxic caustic flammable We checked that all cavities in the device are free from such substances. We have flushed out and neutralized all cavities in the device. We hereby confirm that there is no risk to persons or the environment through any residual media contained in the device when it is returned. Date: Signature: Stamp: 6.4 Disposal CAUTION! Disposal must be carried out in accordance with legislation applicable in your country. Separate collection of WEEE (Waste Electrical and Electronic Equipment) in the European Union: According to the directive 2012/19/EU, the monitoring and control instruments marked with the WEEE symbol and reaching their end-of-life must not be disposed of with other waste must not be disposed of with other waste. st not be disposed of with other waste The user must dispose of the WEEE to a designated collection point for the recycling of WEEE or send them back to our local organisation or authorised representative. 32 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 7.1 Measuring principle 7.1.1 pH measurement Figure 7-1: Measuring principle for pH measurement 1 Reference electrode 2 Measuring electrode 3 Diaphragm in contact with KCl solution and measuring medium 4 Inner pH 7 buffer solution 5 Surface potential on the inside (contact with buffer solution) 6 pH sensitive glass (membrane glass) 7 Surface potential on the outside (contact with measuring medium) 8 Measuring medium TECHNICAL DATA 7

The measuring principle of a pH sensor is based on a pH sensitive glass (membrane glass). When the pH sensitive glass gets into contact with a liquid, a thin layer of hydrated gel develops on the surface, enabling an ion exchange between the glass surface and the liquid. The so-called Nernst potential builds up on the glass surface. If both sides of the glass are in contact with liquids, a voltage may be detected between the two surface potentials. The voltage correlates to the difference in H+ ion concentration and thus to the difference of pH values in both liquids. The pH sensor contains an internal buffer solution with a known pH value. If the pH value of the measuring medium on the outside of the sensor is equal to the pH value of the inner buffer, the resulting voltage is 0 V. If the pH value of the medium differs from the internal pH value, a voltage between the internal and the external layer can be measured. From the resulting voltage, the pH difference of the two liquids can be calculated. The voltage is measured using a measuring electrode and a reference electrode; both are built into the sensor. The measuring electrode is in contact with the known buffer solution in the pH sensitive glass bulb. The reference electrode is immersed into a saturated solution of potassium chloride (KCl). The KCl solution itself is in electrical contact with the measuring medium by means of a diaphragm. The diaphragm prevents the measuring medium from penetrating into the reference system but still allows electrical contact with the measuring medium. 33 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

7 TECHNICAL DATA SMARTPAT PH 8320

The voltage change of a pH sensor at 25°C / 77°F is around -59 mV for each pH unit. This is also called the slope of the pH sensor. The slope is temperature dependent and decreases over life time of the sensor. Figure 7-2: Optimal slope at 25°C / 77°F To compensate for the temperature dependency of the pH measurement, the temperature of the medium can be measured and automatically compensated. Figure 7-3: Temperature dependency of the Nernst Factor (theoretical slope of a pH sensor) 34 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 7.2 Technical data INFORMATION! TECHNICAL DATA 7

• The following data is provided for general applications. If you require data that is more relevant to your specific application, please contact us or your local sales office. • Additional information (certificates, special tools, software,...) and complete product documentation can be downloaded free of charge from the website (Downloadcenter). Measuring system Measuring principle Potentiometric Measuring range 0…14 pH Design Shaft diameter 12 mm / 0.47" Insertion length 120 mm / 4.72"; 225 mm / 8.86" Temperature sensor Pt1000 Connector VarioPin 2.0 (VP2) Operating conditions Process temperature 0...+70°C / +32...+158°F Ambient temperature -10...+85°C / +14...+185°F Storage temperature 4...+30°C / +40...+86°F Process pressure Max. 10 bar / 145 psi Conductivity > 150 µS/cm Installation conditions Ingress protection IP68 Weight Approx. 80 g / 0.18 lb Process connection PG 13.5 Materials Sensor shaft Glass Membrane glass AH glass Inner buffer pH 7.0 Reference Ag/AgCl/TepoxGel double junction Diaphragm PTFE O-Ring EPDM (FDA) or FFKM (Kalrez®) Sensor head Nickel plated brass body with VP2 connector 35 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

7 TECHNICAL DATA Communication pH range 0...14 pH Resolution pH range 0.02 pH Output signal 4...20 mA (passive) Output resolution 20 µA SMARTPAT PH 8320

Field communication HART® 7 - FSK 1200 physical layer definition on top of the current loop Time constant 1...60 seconds Electrical connections Power supply 15...30 VDC loop powered Measuring range 4...20 mA + HART® protocol Load Minimum 0 Ω; maximum RL = ((Uext. - 15 VDC) / 22 mA) Error signal Acc. to NAMUR NE 43 Upper value: ≥ 21.0 mA HART® HART® protocol via current output Device revision 1 Physical layer FSK Device category Sensor, galvanically isolated System requirements 250 Ω loop resistance for HART® communication Multidrop operation 4 mA In a multidrop communication system, up to 32 devices can be connected. For installation in a multidrop communication system please consider the voltage drop for the 250 Ω loop resistance for HART® communication. The supply voltage has to be adjusted. Approvals CE This device fulfils the statutory requirements of the EC directives. The manufacturer certifies successful testing of the product by applying the CE mark. Shock resistance: IEC 60068-2-31, Environmental testing – Part 2: Test Ec

Electromagnetic compatibility: Acc. to EN 61326, NAMUR NE 21 EMC Directive 2004/108/EC (valid until 2016/04/19) or EMC Directive 2014/30/EU (valid from 2016/04/20)

Ex IECEx: Ex ia IIC T6...T1 ATEX: II 1G Ex ia IIC T6...T1 cFMus: IS CL1 Div.1 GPS ABCD / CL1 ZN0 AEx NEPSI: NEPSI Ex ia IIC T3 - T6 Ga INFORMATION! For further information contact your local sales office. 36 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 7.3 Dimensions Figure 7-4: SMARTPAT PH 8320 with VP2 TECHNICAL DATA 7

Dimensions [mm] Dimensions [inch] a 104 4.09 b 120 / 225 4.72 / 8.86 c 12 0.47 d Ø 12 Ø 0.47 37 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

8 DESCRIPTION OF HART INTERFACE 8.1 General description SMARTPAT PH 8320

The open HART® protocol, which can be used for free, is integrated into the sensor for communication. Devices which support the HART® protocol are classified as either operating devices or field devices. When it comes to operating devices (Master), both manual control units (Secondary Master) and PC-supported workstations (Primary Master) are used in, for example, a control center. HART® field devices include sensors, signal converters and actuators. The field devices range from 2-wire to intrinsically safe versions for use in hazardous areas. The HART® data are superimposed over the analogue 4...20 mA signal via FSK modem. This way, all of the connected devices can communicate digitally with one another via the HART® protocol while simultaneously transmitting the analogue signals. When it comes to the field devices and secondary masters, the FSK or HART® modem is integrated. If a PC is used, an external modem must be connected to the serial interface (USB interface). There are, however, other connection variants which can be seen in the following connection figures. 8.2 Software history INFORMATION! In the table below, "x" is a placeholder for possible multi-digit alphanumeric combinations, depending on the available version. Release date SW version HW version HART® Device Revision DD Revision 2013-04-01 1.0.x 1.0.x 1 1 2015-12-01 1.0.x 1.0.x 1 2 HART® identification codes and revision numbers Manufacturer ID: 69 (0x45) Device: 194 (0xC2) Device Revision: 1 DD Revision: 2 HART® Universal Revision: 7 FC 475 system SW.Rev.: ≥ 3.8 PDM version: ≥ 6.1 FDT version: ≥ 1.2 38 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 8.3 Connection variants CAUTION! DESCRIPTION OF HART INTERFACE 8

For installation in a multidrop communication system please consider the voltage drop for the 250 Ω loop resistance for HART® communication. The supply voltage has to be adjusted. The sensor is a 2-wire device with a passive 4...20 mA current output and HART® interface. • Multidrop mode is supported In a multidrop communication system, up to 32 devices can be connected to a common transmission cable. • Burst mode is not supported In the burst mode a slave device transfers cyclic pre-defined response telegrams, to get a higher rate of data transfer. There are two ways of using the HART® communication: • as Point-to-Point connection and • as Multidrop connection, with 2-wire connection. 39 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

8 DESCRIPTION OF HART INTERFACE 8.3.1 Point-to-Point connection - analogue / digital mode Point-to-Point connection between the sensor and the HART® Master. The current output of the sensor is passive. Figure 8-1: Point- to-Point connection 1 Primary master with e.g. PACTwareTM FDT/DTM 2 FSK modem 3 HART® signal 4 SMARTMAC 200 W 5 SMARTPAT Sensor 6 Secondary master with HART® DD 7 Power supply for devices (slaves) with passive current output 8 Load ≥ 250 Ω (Ohm) SMARTPAT PH 8320

40 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 DESCRIPTION OF HART INTERFACE 8

8.4 Inputs/outputs and HART® dynamic variables and device variables HART® dynamic variable PV SV TV QV pH Electrode voltage Temperature Resistance Code = device variable code Device variables HART® device variable Code Type pH value 0 linear Electrode voltage 1 linear Temperature 2 linear Resistance 3 linear The HART® dynamic variable PV is always connected to the HART® current output which is assigned to the pH value. 8.5 Field Communicator 475 (FC 475) The Field Communicator is a hand terminal from Emerson Process Management that is designed to configure HART® and Foundation Fieldbus devices. Device Descriptions (DDs) are used to integrate different devices into the Field Communicator. 8.5.1 Installation The HART® Device Description for the sensor must be installed on the Field Communicator. Otherwise only the functions of a generic DD are available to the user and the entire device control is not possible. A "Field Communicator Easy Upgrade Programming Utility" is required to install the DDs on the Field Communicator. The Field Communicator must be equipped with a system card with "Easy Upgrade Option". For details consult the Field Communicator User’s Manual. 41 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

8 DESCRIPTION OF HART INTERFACE 8.6 Field Device Tool / Device Type Manager (FDT/DTM) SMARTPAT PH 8320

A Field Device Tool Container (FDT Container) is basically a PC program used to configure a field device via HART®. To adapt different devices, the FDT container uses a so-called Device Type Manager (DTM). 8.6.1 Installation If the DTM for the sensor has not yet been installed on the FDT Container, setup is required and is available for download from the website or on CD-ROM. See the supplied documentation for information on how to install and set up the DTM. 8.7 Overview Basic-DD menu tree (positions in menu tree) Main menu Submenu 1 Measuring value 1 pH value 2 Temperature 3 Electrode voltage 4 Loop current 5 Error 6 Device state 2 Quick setup 1 TAG 2 Manual hold 3 I/O 4 Calibration 5 Autoclaving counter 6 Input user password 3 Logbook3 Logbook 3 Logbook 1 Calibration logbook 2 Error logbook 4 Setup 4 Setup 1 Process input 2 I/O 3 I/O HART® 4 Device 5 Service5 Service 5 Service 1 Service calibration 2 Service parameter 3 Passwords 4 Sensor lock 42 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 DESCRIPTION OF HART INTERFACE 8

8.8 Basic-DD menu tree (details for settings) 1 Measuring value 1 pH value Display of the measured pH value on process control system, HART® handheld or display. 2 Temperature Display of the measured temperature value in °C / °F on process control system, HART® handheld or display. 3 Electrode voltage Display of the measured electrode voltage in mV on process control system, HART® handheld or display. 4 Loop current Display of the measured loop current in mA on process control system, HART® handheld or display. 5 Error Display of status messages and diagnostic information. For further information refer to Status messages and diagnostic information on page 28. 6 Device state Display of status information icon for sensor according to NAMUR NE 107. 2 Quick setup 1 TAG Set the TAG number for the measuring loop. 2 Manual hold Activate or deactivate the manual hold function. Select between yes or no. 3 I/O Meas. value at 4 mA Set measuring value at 4 mA; Default setting: pH 0 Meas. value at 20 mA Set measuring value at 20 mA; Default setting: pH 14 Time constant Set time constant (1…60 seconds); Default setting: 1 second 4 Calibration Start calibration procedure. For more information refer to Calibration on page 22. 5 Autoclaving counter Rise autoclaving counter (yes/no) 6 Input user password Set password 3 Logbooks 1 Calibration logbook Logbook for the last 20 calibration cycles 2 Error logbook Display errors 43 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

8 DESCRIPTION OF HART INTERFACE 4 Setup 1 Process input Temperature Set temperature unit °C / °F Set temperature offset SMARTPAT PH 8320

Display date of offset calibration Set temperature compensation (automatic/manual); Default setting: automatic Set temperature value 5...50°C/41...122°F (only if manual temperature compensation is activated; Default setting: 25°C/77°F ) Calibration Start calibration procedure. For more information refer to Calibration on page 22 Maintenance interval Set maintenance interval in days (000...999 days); Default setting: 000

Reset maintenance interval Yes / No; Default setting: No

2 I/O Meas. value at 4 mA Set measuring value at 4 mA; Default setting: pH 0 Meas. value at 20 mA Set measuring value at 20 mA; Default setting: pH 14 Time constant Set time constant (1…60 seconds); Default setting: 1 second 3 I/O HART TAG Set TAG for measuring loop Set long TAG Display of previous long TAG Message Display messages (32 packed ASCII) Polling address Display polling address Loop current mode Select between enable or disable to activate or deactivate the loop current mode Device variables PV Display PV - pH with min. and max. limits SV Display SV - electrode voltage in mV TV Display TV - temperature in °C / °F with min. and max. limits QV Display QV - resistance 44 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 DESCRIPTION OF HART INTERFACE 8

4 Device Information Sensor information Order code Device name Serial number HART® ID Polling address Manufacturer ID Date of manufacturing SW version HW version Calibration Slope Offset Inner buffer Buffer solution 1 Buffer solution 2 No. of calibrations SIP counter CIP counter Autoclaving counter

Operating parameters (OP) Commissioning date Operating hours OP time > 80°C / 176°F OP time > 110°C / 230°F OP time < -300mV OP time > +300mV Max. temperature Temp. compensation Manual temp.

Commissioning Set date of commissioning 5 Service 1 Service calibration Trimming at 4 mA (+/-) Trimming at 20 mA (+/-) 2 Service parameter Reset of sensor Load factory setting 3 Password Password protection Activate or deactivate the password protection. Select between on and off. Password operator Set password for operator

Password administrator Set password for administrator

Reset password Reset all passwords (only administrator) 4 Sensor lock Select between YES or NO to lock the sensor. If you select YES the setting is not reversible anymore and the sensor is invalid for use. The HART®communication is not possible anymore. 45 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com

9 APPENDIX 9.1 pH as a function of mV SMARTPAT PH 8320

The pH value is the negative decadative logarithm of the hydrogen ion concentration, and it is directly related to the proportion of hydrogen ions H+ to hydroxide ions OH- in the media. The pH sensor measures excess or deficit of the hydrogen ions and gives a proportional millivolt signal as output. The signal is 59.16 mV per 1 pH at 25°C / 77°F. In clean water there is a total balance between hydrogen ions and hydroxide ions, the output from the electrode is 0.0 mV and pH is 7. The millivolt signal is measured by the sensor and the corresponding pH value is directly calculated by the sensor. mV pH H+ ions [mol/l] OH- ions [mol/l] Example 414 0 1 0.00000000000001 Sulfuric acid 355 1 0.1 0.0000000000001 296 2 0.01 0.000000000001 Coca Cola 237 3 0.001 0.00000000001 Vinegar 177 4 0.0001 0.0000000001 Orange juice 118 5 0.00001 0.000000001 59 6 0.000001 0.00000001 Milk 0 7 0.0000001 0.0000001 Clean water -59 8 0.00000001 0.000001 Sea water -118 9 0.000000001 0.00001 -177 10 0.0000000001 0.0001 -237 11 0.00000000001 0.001 -296 12 0.000000000001 0.01 -355 13 0.0000000000001 0.1 -414 14 0.00000000000001 1 Sodium hydroxide 46 krohne.com 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en

SMARTPAT PH 8320 9.2 pH temperature dependency APPENDIX 9

The output from a pH sensor varies with the temperature in a predictable way. The size of the variation depends on both the temperature and the pH being measured. °C °F pH pH pH pH pH pH pH pH pH pH pH pH 5 41 2.30 3.24 4.18 5.12 6.06 7.00 8.06 9.12 10.18 11.24 12.30 13.36 15 59 2.15 3.12 4.09 5.06 6.03 7.00 8.03 9.06 10.09 11.12 12.15 13.18 25 77 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 11.00 12.00 13.00 35 95 1.85 2.88 3.91 4.94 5.97 7.00 7.97 8.94 9.91 10.88 11.85 12.82 45 113 1.70 2.76 3.82 4.88 5.94 7.00 7.94 8.88 9.82 10.76 11.70 12.64 55 131 1.55 2.64 3.73 4.82 5.91 7.00 7.91 88.2 9.73 10.64 11.55 12.46 65 149 1.40 2.52 3.64 4.76 5.88 7.00 7.88 8.76 9.64 10.52 11.40 12.28 75 167 1.25 2.40 3.55 4.70 5.85 7.00 7.85 8.70 9.55 10.40 11.25 12.10 85 185 1.10 2.28 3.46 4.64 5.82 7.00 7.82 8.64 9.46 10.28 11.10 11.92 95 203 0.95 2.16 3.37 4.58 5.79 7.00 7.79 8.58 9.37 10.16 10.95 11.74 At pH 7 and 25°C / 77°F the temperature error is zero. If temperature or pH changes the temperature error is calculated using the following formula: 0.03 pH difference / pH or 0.03 pH difference / K 47 03/2016 - 4002543903 - MA SMARTPAT PH 8320 R03 en krohne.com KROHNE – Process instrumentation and measurement solutions • Flow • Level • Temperature . e c i • Pressure t o n t u • Process Analysis o h t i w • Services e g n a h c o t t c e j b u S - n e 3 0 R 0 2 3 8 H P T A P T R A M S A M - Head Office KROHNE Messtechnik GmbH 3 0 9 Ludwig-Krohne-Str. 5 3 4 5 47058 Duisburg (Germany) 2 0 0 4 Tel.: +49 203 301 0 - 6 1 Fax: +49 203 301 10389 0 2 / 3 info@krohne.com 0 E N The current list of all KROHNE contacts and addresses can be found at: H O R krohne.com K ©


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