BCI Capnocheck Plus - Pneumatic System Testing

Chapter 5: System Testing
2. With the (-) of the DMM connected to TP5, verify:
TP3 1100+ 100 mV, depending on temperature (values
assume room temperature)
Τρ4 53$ + 50 шУ
TP6 315 + 100 mV, depending on temperature (values.
assume room temperature)
3. With the (-) of the DMM connected to J11 pin 2, verify:
Hipini 77+02V
Jllpin3 -7.7+0.2V
LOX Board
Power Supply and Reference
A. Verify power supply operation by checking the following voltages:
1. With the (-) of the DMM connected to TPI, verify:
TP2 50+0.25V
TP3 -5.0+0.25 V
TP10 3.40 V (3.10 to 3.71 V)
Pneumatics
Inlet Sample Flow
A. Connect the flowmeter to the moisture trap inlet with the 8 feet sample
line.
B. Verify a flow rate of 150 (+20/-10) ml/min.
Occlusion Verification
A. Occlude sample inlet.
B. Verify that while in occlusion in about 30 seconds.
C. Verify that while in occlusion pump turns on to check if units is still
occluded every 5 seconds until the occlusion is removed.
5-2 4 Capnocheck Plus Service Manual