Pressure Calibration
If the Pressure Accuracy test fails, the Pressure Calibration screen will automatically appear. Follow the
instruction below to run Pressure Calibration.
1.
Remove the test canister assembly from the unit.
2.
Press the arrow button next to the Measured box for the Ambient Pressure to save the 0
calibration point.
O
The Ambient Pressure will be set to a default of O and not need adjusting.
3.
Reattach the test canister assembly to the unit.
4.
Connect the vacuum source (hand pump) to the test set up.
5.
Using the vacuum pump, draw a vacuum of 125mmHg (+/- 2mmHg) as displayed on the
manometer.
Pressure Calibration Setup - Completed
Vacuum Source
(Hand Pump)
14
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