Philips Efficia CM Series - Recommended Test Equipment

Respironics LoFlo Sidestream CO
2
Accuracy Test
Performance Verification Testing
2-18 Efficia CM Series Repair Guide
Cell Pressure Accuracy Check
To verify cell pressure accuracy:
Respironics LoFlo Sidestream CO
2
Accuracy Test
The following procedure should be performed to check the CO
2
accuracy of the LoFlo
module. It is recommended that this procedure be performed every 12 months. The
accuracy of the CO2 gas mixture must be greater than or equal to 5% ± 0.03%.
Recommended Test Equipment
• Respironics LoFlo Adult On-Airway adapter kit.
• Gas calibration equipment:
– Cal 1 gas 15210-64010 (5% CO
2
/95% N
2
)
– Cal gas flow regulator M2267A
– Cal tube 13907A
To check the accuracy of the LoFlo sensor.
1
Power on the CapnoTrak module.
2
Verify there is no water filter assembly attached to the front panel
connector.
3
Turn the pump off.
4
Open the Maintenance options in the Diagnostics Menu. See “Accessing the
Diagnostics Menu and Maintenance Options” on page 2-8.
5
Select the CO2 Test button.
The CO2 Test menu appears.
6
Read the cell pressure value from the screen. Verify that the pressure is
between -20 to -30 mmHg.
7
If the pressures are not within range, refer the module for service.
1
Ensure that CO
2
is not in Standby mode (when the monitor is in Display
Waveform mode, Standby is displayed in the CO
2
waveform pane).
If necessary, turn on the CO
2
module by opening the CO2 Menu and
setting CO2 On/Standby: to On.
2
Open the Maintenance options in the Diagnostics Menu. See “Accessing the
Diagnostics Menu and Maintenance Options” on page 2-8.
3
Select the CO2 Test button.
The CO2 Test menu appears.