NBP Test
Performance Verification Testing
2-24 Efficia CM Series Repair Guide
NBP Calibration Procedure
To calibrate the NBP module:
9
Wait 10 seconds for the pressure to stabilize. Note the pressure displayed
in the NBP Test menu. The value should be 150 mmHg 3 mmHg.
Note — Philips employees record this value as X2.
10
Select the Stop Static Pressure Test button to stop the test.
11
If the difference between the manometer and displayed values is greater
than 3 mmHg, calibrate the monitor (see “NBP Calibration Procedure” on
page 2-24).
If the results are as expected, proceed to the “Pneumatic Leakage Test”
on page 2-25.
Step
Step
1
In the NBP Test menu, Select NBP Calibration.
Note — To stop the calibration process at any time, select Stop.
The NBP Calibration menu appears.
Note — If you are using a manual manometer, close the valve before
continuing.
2
Select the Start button to begin calibration.
The monitor inflates the expansion chamber and displays the message,
Starting NBP Calibration...
3
Wait until the message, Ready for calibration at first pressure point...,
appears.
4
Select the Set Pressure Value field, and then select the value to match
that displayed on the manometer.
5
Select CAL Point to save the calibration point.
6
Wait until the message, NBP calibration successful, appears.
If the test fails for any reason, select the Stop button to stop the test.
7
Close the menu.
8
To verify the calibration, check the accuracy of the NBP. See “NBP
Accuracy” on page 2-23.
9
If you do not get the expected results after several tries, see
Chapter 3, “Troubleshooting.”