HACH TITRALAB KF1121 (01) PDF Document

The dimensions of the HACH TITRALAB KF1121 are 22 x 40 x 36 cm (8.7 x 15.7 x 14.2 in.).

The weight of the HACH TITRALAB KF1121 is 4 kg (8.8 lb).

The power requirements for the HACH TITRALAB KF1121 instrument are:

• Instrument: Input 24 VDC, 2.5 A
• External power supply: Input 100–240 VAC, 50–60 Hz, 1.5 A, Class I; output 24 VDC, 2.5 A 60 VA

The main supply voltage fluctuation tolerance for the HACH TITRALAB KF1121 is ±10% of nominal voltage.

The maximum altitude for operating the HACH TITRALAB KF1121 is 2,000 m (6,562 ft).

The operating temperature range for the HACH TITRALAB KF1121 is 15 to 35 °C (59 to 95 °F).

The relative humidity range for the HACH TITRALAB KF1121 is 20 to 80%, non-condensing.

The storage temperature range for the HACH TITRALAB KF1121 is –5 to 40 °C (23 to 104 °F).

The overvoltage category for the HACH TITRALAB KF1121 is II, and the pollution degree is 2.

The environmental conditions specified for the HACH TITRALAB KF1121 are Indoor use.

The HACH TITRALAB KF1121 has the following certifications:

• Safety: IEC/EN 61010-1, UL/CSA C22.2 61010-1
• EMC: IEC/EN 61326-1

The EMC requirement for the HACH TITRALAB KF1121 is that this product is intended to be used in a domestic or basic electromagnetic environment.

The warranty period for the HACH TITRALAB KF1121 is 1 year (EU: 2 years).

To install applications on the HACH TITRALAB KF1121, follow these steps:

1. Push Home to go to the main menu.

2. Connect the USB key to the USB port on the side of the instrument. The applications on the USB key show on the display.

3. Push the arrow keys to highlight and select an application to install. Push the left or right arrow key to select it. Do this step again to select additional applications to install.

4. Push Import to install the selected applications.

5. Push OK to complete the installation. The installed applications show on the home screen.

Note: To install more applications, push Home to go to the home screen, then remove the USB key and reconnect it.

To prepare the HACH TITRALAB KF1121 for measurement, follow these steps:

1. From the home screen, select Purge. All attached devices are listed.

2. Select All elements to purge all the attached devices, or select one device to purge. Push Select. Air is removed from the device and filled with liquid from the bottle.

3. Push OK when the operation has completed.

4. Make sure that there are no air bubbles in the device. Do step 2 again if there are any air bubbles.

5. Select the next device to purge if individual devices are being selected.

6. Push Exit when all the tubes are filled with reagent and the device has no air bubbles.

Note: If a few small air bubbles can be seen on the inner wall and/or piston of the syringe, they can be left without effecting system performance.

To connect the power to the HACH TITRALAB KF1121, follow these steps:

1. Connect the power cord to the power supply.

2. Connect the power supply to the instrument (refer to Instrument connections on page 6).

3. Connect the power cord to an electrical outlet.

To install the syringe on the HACH TITRALAB KF1121, follow these steps after setting the instrument power to on:

1. Push the power button on the front of the instrument. Make sure that the startup sequence shows on the display. The syringe holder lowers to its operating position.

2. Move the sensor holder away from the instrument to the second position (180° to the right).

3. Install the syringe following the illustrated steps.

NOTICE: In step 6, tighten the syringe using the metallic part at the top. Do not hold the glass section of the syringe. Do not tighten too much.

To install the sensor holder accessories on the HACH TITRALAB KF1121, follow these illustrated steps:

1. Add the stir bar to the beaker.

2. Attach the beaker to the sensor holder.

3. Install the desiccant cartridge.

4. Install the sample stopper.

To prepare and connect the tubes on the HACH TITRALAB KF1121:

1. Remove any bends in the end of the tubes.

2. Arrow symbols identify the inlet and outlet ports for the syringe and the pump connections. The “up” arrow is the outlet port. The “down” arrow is the inlet port. Turn the tube connectors on the inlet and outlet ports of the syringe and pump until they click.

3. The suction tube that drains into the waste bottle must be installed on the bottom of the beaker for good drainage.

NOTICE: The diffusion tip and tube holder on the outlet tube, are pre-installed at the optimal positions. Do not change the position of the diffusion tip or the tube holder.

To connect the sensor to the HACH TITRALAB KF1121:

1. Use a conical adapter to hold the sensor tightly in the sensor holder. Make sure the conical adapter is installed correctly. This makes sure of a secure water-tight fitting in the sensor holder and the tip of the sensor will be in the correct position in the beaker.

2. Connect the sensor to an available sensor port on the rear of the instrument.

3. After the sensor is connected, make sure that the sensor icon shows in the banner at the top of the display.

To check the titrant tube and sensor installation on the HACH TITRALAB KF1121, you must ensure the titrant is added where there is most turbulence and as far away from the sensor to allow the reagent time to react. Check that the titrant tube and the sensor are positioned correctly. Refer to Figure 4, where the arrows show the direction of the sample flow.

To install the titrant and reagent on the HACH TITRALAB KF1121:

1. Put a filled desiccant cartridge into the adapter on the titrant and solvent bottle caps.

2. Loosen the tube connector on the bottle cap.

3. Push the inlet tube through the connector. Make sure that the end of the tube is at the bottom of the bottle.

4. Tighten the connector on the bottle cap.

Note: Pump 1 is used to fill the measurement cell with solvent. Pump 2 is used to empty the measurement cell. Refer to the illustrated steps that follow.

To tidy the work area on the HACH TITRALAB KF1121, attach the tubes to the instrument with the clips on the electrovalve and the sensor holder. Refer to the illustrated steps that follow.

To set the instrument power on or off using the HACH TITRALAB KF1121 keypad, push the Power key. Push the key for 2 seconds to set the power to off.

To restore default settings on the HACH TITRALAB KF1121, from the main menu, select Settings, then select Restore Defaults.

The Purge function on the HACH TITRALAB KF1121 is used to remove air bubbles from the system. Refer to Prepare the instrument for measurement for instructions.

To configure Cell standby on the HACH TITRALAB KF1121, make sure that the measurement cell is prepared before selecting an application, because the cell standby starts automatically. Cell standby dries the measurement cell automatically using a regulated addition of the titrant as defined in the application. When the cell standby option is active:

• Cell standby starts automatically as soon as an application is selected from the home screen
• The stirring speed is the speed specified for the application
• Cell standby information is shown at the bottom of the application start screen
• After the weight of the sample is validated at the end of the measurement procedure, the cell conditioning automatically starts again
• Cell standby continues until the next sample is selected and a new measurement procedure starts
• If the Cell management option is selected at the end of the measurement procedure, cell standby is paused and starts again when the cell management procedure completes
• The measurement procedure starts when Start is selected. If the cell is dry, cell conditioning is not needed and the user is asked to add the sample. If the cell is not dry, cell conditioning starts

To configure the instrument settings on the HACH TITRALAB KF1121, from the main menu, select Settings, then select an option and push Select. The configurable options are:

After selecting an option, push Back.

If the default stirring speed needs to be adjusted during calibration on the HACH TITRALAB KF1121, push the up and down arrow keys to increase or decrease the speed. This adjustment only applies to the current operation. The standard default stirring speed for the application is not changed.

Two options are available during the cell conditioning procedure on the HACH TITRALAB KF1121:

After the calibration is complete on the HACH TITRALAB KF1121, two options are available:

To get a sample measurement using the HACH TITRALAB KF1121 with one of the installed applications, follow these steps:

1. Make sure that the glass beaker, the sensor holder and all related parts are clean and dry. Put a magnetic stir bar into the beaker.

2. Attach the beaker to the sensor holder. Make sure that the beaker fits tightly into the sensor holder.

3. Read the related “Application Note” from the USB applications key for more instructions.

4. Fill the beaker with the applicable amount of solvent. Refer to the application note and Cell management on page 26 to adapt the volume where applicable. Make sure that there is no liquid spill. Make sure that the initial level is enough so that the sensor is correctly installed in the sample. Do not put too much solvent in the beaker.

5. From the home screen, select the measurement application, then push Select.

6. If the Cell standby option has not been selected (refer to Cell standby on page 19), continue at step 8.

7. The cell standby operation starts. The stirring speed is that specified for the application and cannot be changed. The stability bar and the cell drift value are shown at the bottom of the display. The stability bar shows the stability of the signal and ranges in color from red (unstable), through yellow, to green (stable). The cell drift value can be replaced by these messages:

• Excess of water: The measurement cell contains too much water. Titrant continues to be added until the cell is dry.
• Excess of titrant: The measurement cell contains too much titrant. No more titrant is added.
• Risk of cell overflow: The measurement cell is full and there is a risk of liquid spill. The procedure stops.

Note: These messages can be displayed under the cell drift value in the middle of the display during the cell conditioning procedure. The stability bar or these messages are displayed at the bottom of the display during the measurement procedure.

8. Application information shows on the display. If necessary, select an icon for more information or to change some data.

9. Make sure that the icon at the bottom of the display is highlighted. Do the instructions that show on the display adjacent to this icon. Make sure that the tubes and sensor are correctly aligned.

10. Push Start to start the measurement. Measurement data shows on the display.

11. If the Cell standby option has been selected (refer to Cell standby on page 19), and the measurement cell is dry, cell conditioning is not needed and the procedure continues at step 15.

12. If the default stirring speed needs to be adjusted, push the up and down arrow keys to increase or decrease the speed. Note: Changing the default stirring speed can effect the measurement result. Any adjustment only applies to the current operation. The standard default stirring speed for the application is not changed.

13. The cell drift threshold, stability bar, sample temperature and measurement duration are shown at the bottom of the display. The stability bar shows the stability of the signal and ranges in color from red (unstable), through yellow, to green (stable). The cell drift value is shown in the middle of the display. These messages can be displayed under the cell drift value:

• Excess of water: The measurement cell contains too much water. Titrant continues to be added until the cell is dry.
• Excess of titrant: The measurement cell contains too much titrant. No more titrant is added.
• Risk of cell overflow: The measurement cell is full and there is a risk of liquid spill. The procedure stops.

Note: The stability bar or these messages are displayed at the bottom of the display during the measurement procedure.

14. Two options are available during the cell conditioning procedure:

• Stop: Aborts the measurement and no results are calculated. If selected during the Replicate Sample option, then all data in the series is lost.
• Skip: Stops the cell conditioning and goes directly to the next step in the procedure. Results are then calculated from measurement data available before Skip is selected. Results can be less accurate using this option.

15. Weigh the sample in its container and write down the result.

16. When the cell conditioning is complete add the sample. Remove the sample stopper and put the correct amount of sample into the beaker with an applicable utensil. Make sure that all of the sample is put into the center of the beaker and that none of it spills onto the walls of the beaker.

17. Put the sample stopper back into the sensor holder. Make sure that the sample stopper fits tightly into the sensor holder.

18. Weigh the empty sample container and subtract this value from the weight of the sample in its container (refer to step 15). The result is the exact weight of the sample analyzed. Write down this value.

19. Push Start to start the moisture content analysis. Measurement data shows on the display. Note: The moisture content analysis will start automatically after the addition of sample if the Injection Autodetect parameter is set to Yes.

20. If the default stirring speed needs to be adjusted, push the up and down arrow keys to increase or decrease the speed. Note: Changing the default stirring speed can effect the measurement result.

21. Two options are available during the measurement procedure:

• Stop: Aborts the measurement and no results are calculated. If selected during the Replicate Sample option, then all data in the series is lost.
• Skip: Stops the measurement and goes directly to the next step in the procedure. Results are then calculated from measurement data available before Skip is selected. Results can be less accurate using this option.

22. When the measurement is complete, enter the exact weight of the sample analyzed (refer to step 18). If necessary, push the arrow keys to change the value shown on screen. Push Select to accept the value.

23. If the Cell standby option has been selected (refer to Cell standby on page 19), the standby operation starts again automatically.

24. Push the arrow keys to see the different measurement views or push Next for the options that follow:

25. Push Exit to go back to the home screen.

To perform syringe verification on the HACH TITRALAB KF1121, use the syringe verification option to examine the syringe accuracy based on the ISO 8655 standard. Make sure to fully rinse the syringe with methanol dry before the test to remove titrant. Make sure to fully rinse the syringe with methanol dry after the test to remove water.

Note: A license key is necessary to enable the syringe verification option on the instrument. Contact the manufacturer or a sales representative to get a license key.

1. From the home screen, select Settings, then push Select.

2. From the settings screen, select Options, then push Select.

3. Push the left or right arrow key to select the expert mode, then push Done.

4. From the home screen, select Maintenance, then push Select.

5. From the maintenance screen, select Syringe verification, then push Select.

6. When the option is selected for the first time, enter the license key.

7. Follow the procedure supplied with the syringe verification kit. For additional information, refer to the expanded version of this manual.

To manage the data log on the HACH TITRALAB KF1121, from the home screen, select Data log, then select an option and push Select. The options are:

Specify the data selection parameters. Push the left and right arrow keys to make a selection. Push the up and down arrow keys to select an option. The parameters are:

If View data log was the selected option, push View to see the selected data. If Export data log or Delete data log was the selected option, push Preview to see the selected data, then push Export or Delete to start the procedure.

To use Cell management on the HACH TITRALAB KF1121, from the home screen, select Cell management. The procedures stop automatically after a pre-determined time. The time remaining is shown against Security time on the display. Press the left and right arrow keys to make a selection. The options are:

Push Exit to go back to the home screen.

If any items are missing or damaged upon receiving the HACH TITRALAB KF1121, contact the manufacturer or a sales representative immediately.

The contents of the instrument box for the HACH TITRALAB KF1121 include:

Note: For identification, the outlet tube from the syringe is fitted with a blue marker.

The instrument configuration for the KF1121 model is: