Functional Tests Periodic Maintenance
3 - 28 046-001141-00 A5/A3â„¢ Service Manual
3.8.8 Check the electronic flowmeter accuracy
NOTE: Set the Gas Flow Analyzer Correction Mode to Standard settings (21 °C,
101.3 kPa)
To check the measurement accuracy of electronic flowmeter:
1. Remove the breathing circuit module and expose the fresh gas supply connector.
2. Connect the Circuit adapter test fixture.
3. Connect the fresh gas supply connector to the low-flow gas inlet of calibration device using the
Breathing tube adapter connector and a 6mm tube.
4. Connect the gas outlet of calibration device to the scavenger.
5. Connect pipeline gas supplies (O2, N2O and Air) for the anesthesia machine, and set the
anesthesia macnine to Standby mode.
FIGURE 3-33
6. Setup the calibration device as described below:
Calibration Device (Fluke VT Plus):
a. Flow Settings: Press the Flow button on the front control panel of the calibration. You need
set Range to Low Flow (when Gas Type is N2O bal O2, you need set Range to High Flow).
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