Chapter 5: Maintenance
0112-0174 C
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Calibrate Injectors
To calibrate the injectors:
1. In the SoftMax Pro Software, select the Operations tab and click
Injector Tubing
to
display the Injectors Pump Tubing dialog.
2. Click the
Associated PMTs
drop-down and select PMT pair to display the following
information.
Remaining Life %
- Displays the life left before recommended tubing
replacement.
Steps Per µL
- Displays the specific value for each peristaltic tube, calculated by
completing step 3 below.
Recommended Life Vol µL
- Displays the fixed value determined by the SoftMax
Pro Software.
Delivered Vol µL
- Displays the volume of fluid injected since the last reset.
Reset to 0 µL
- Click to reset the Delivered Vol to 0.
3. Calculate the Steps per µL for each injector using the formula
Steps per µL = 4.8 grams / actual weight (determined from the injector accuracy test
above).
4. Enter the Steps Per µL for the M–injectors and/or the P–injectors as calculated in the
previous step.
5. Click
Reset to 0 µL
for the M–injectors and/or the P–injectors.
6. Click
OK
.
7. Close the SoftMax Pro Software.
8. Power off the instrument, wait five seconds, and then power on the instrument.