Philips 862474 Benutzerhandbuch

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Performance Procedures
Testing the Monitor  
4-29
CO
2
 
Performance
This test checks the performance of your 
CO
measurement for the monitor. This test uses 
calibration equipment that can be ordered (contact your Philips representative). Refer to the 
documentation accompanying the equipment for detailed instructions. The procedure is summarized in 
the following steps:
Barometric Pressure Check and Calibration, if required
Leakage Check
Pump Check
Flow Check and Calibration, if required
CO
2
 Cal Check and Calibration, if required
CO
2
 Cal Verification using Cal 2 gas
Note
Allow 5 seconds between individual service procedures in order to ensure stable equipment 
conditions.
Tools Needed for CO
2
 Tests:
Screwdriver
Tweezers
Cal 1 gas (5% CO
2
)
Cal 2 gas (10% CO
2
)
Cal gas flow regulator
Cal  tube
You also need a local barometric pressure rating received from a reliable local source, such as 
an airport, regional weather station, or hospital weather station. The pressure rating must be 
located at the same altitude as the hospital. 
Note
All steps must be performed in the same session.