Process Calibrators
Calibration
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6. Once the pressure has stabilized, push any key on the 717 Calibrator. The display
should read:
CAL ------ PSI
then depending on the model selected in step 2, change to either:
CAL 15.000 PSI
or
CAL 50.000 PSI
7. Set the deadweight tester for 15 PSI (or 50 PSI) to be injected into the pressure port
of the 717 calibrator.
8. Once the pressure has stabilized, push any key on the 717 Calibrator. The display
should read:
CAL ------ PSI
then the calibrator will be out of CAL mode and in OPERATE mode. The display
should read:
0.000mA XX.xx PSI (where XX.xx is the applied pressure)
If the display reads
CALU, continue to step 9. If the 717 Calibrator is no longer in
CAL mode, skip to step 11.
9. Push to go to vacuum calibration. (Pressing any other key will end the
calibration.) If you chose to calibrate vacuum, the display should read:
CAL -12.000 PSI
10. Apply -12 PSI, wait for the vacuum standard to stabilize, then push any key. The
display should show:
-------------------
11. The unit will then reset power. The 717 is now out of the CAL mode and in the
normal mode of operation. Vent all pressure/vacuum.
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