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 fixture assembly with manometer from the unit.
2. Press the arrow button next to the Measured box for the Ambient Pressure to save the 0 calibration
3. Reattach the test fixture assembly with manometer 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.
point.
The Ambient Pressure will be set to a default of 0 and not need adjusting.
Pressure Calibration Setup - Completed
Vacuum Source
(Hand Pump)
Digital Manometer
11