Hach TitraLab KF1121, Основное руководство пользователя, Страница: 19 / 510

• 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
Install the applications
Use the supplied USB key to install the applications. The instrument can install a maximum of five
applications. The installed applications are shown on the top line of the display.
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.
Prepare the instrument for measurement
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.
Standard operations
C A U T I O N
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.
C A U T I O N
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
C A U T I O N
Personal injury hazard. Never use the instrument without the syringe protection cover in place.
C A U T I O N
Chemical exposure hazard. Never remove the stir bar from the beaker before the end of a titration.
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