4 Testing and Maintenance
Performance Assurance Tests - Checking and Calibrating the Gas Analyzer
68
Figure 13 Patient Data Window during Gas Calibration Test
10
Now compare the numeric values shown in the lower section of the Patient Data Window with the
concentrations as printed on the calibration gas canister. (You can press the
Freeze Upper
button to
make the values stay in the view for comparison.)
11
Verify that the values measured by the gas analyzer are within the specified limits
Gas Type
Allowed Tolerance
Anesthetic Agent
±0.5 vol%
CO
2
± 0.7 vol%
N
2
O
±6.2 vol%
O
2
± 3vol%