Datex-Ohmeda CAPNOMAC ULTIMA, Service Manual

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CAPNOMAC ULTIMA
TM
SERVICE MANUAL
8-4
5.
GAS ZERO AND CALIBRATION
Let the monitor draw in room air for 2 minutes before
starting the calibration.
The calibration is performed as follows:
Press the CAL key and choose GAS CALIBR.
Wait until the monitor finishes zeroing.
Feed calibration gas till the monitor recognizes it.
Correct gas value with the MENU key.
Exit calibration by pressing NORMAL SCREEN key.
When all the gas are calibrated, recheck the calibrated
values once again. Perform the calibration again if
necessary.
6 . OCCLUSION TEST
First be sure that the monitor initialization is over. Stage
occlusion by blocking the sampling line. Check that the
Occlusion alarm comes on. Check both audible and visual
alarms.
7. GAS SAMPLING SYSTEM CHECK
Perform Gas Sampling System Leak Test, Water Separation
Test, and Response Time Test (See Section 6.4.3 Gas
Sampling System Troubleshooting).
8. AIR LEAK TEST
Detach the water trap. The text “AIR LEAK” appears on
the screen.
Attach the trap again. The text “AIR LEAK” should be
replaced by “APNEA”.
9 . SAMPLING SYSTEM PRESSURE
Choose Service menu and then GAS SERVICE. The
pressure value on the screen (PRE) will be about
700 mmHg (depending on atmospheric pressure). Block the
sample gas out connector and the pressure should rise about
60 mmHg.
January 15th, 1997/6