Chapter 7
7-22
BiPAP Focus Ventilator Service Manual © Respironics, Inc.
REF 1029568 Rev B
Testing, Calibration, and Performance Verification
Pressure and flow accuracy:
31. Positive flow accuracy: completely open the flow valve and follow the
onscreen prompts to achieve the various flow settings. Click
OK
only
after the flow has been set.
32. Negative flow accuracy: connect the patient tubing between the flow
valve outlet and the negative flow source. Turn on the negative flow
source and follow the onscreen prompts to achieve the various flow.
Click
OK
only after the flow has been set.
33. Turn off the negative flow source. Disconnect the patient tubing and
occlude the O
2
port at the ventilator outlet port.
34. Pressure accuracy: the program instructs the ventilator to produce
specific pressures. Note the analyzer pressure readings and enter
them as prompted. (This step is performed twice to test the blower
and the flow valve.)
35. At the green
PASS
prompt on service PC, click
OK
to view the test
data sheet (Figure 7-24). Click
OK
on the print results button to print
the test results. Figure 7-25 shows an example of a print error.
NOTE:
Figure 7-24: BiPAP Focus Test Results
