Datex-Ohmeda S/5 B-GAS, Техническое справочное руководство

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S/5 Airway modules
Document No. 800 1005-1
59
5.2 ACX service menu
Pump ctrl Turns pump on/off
Zero valve ctrl Turns zero valve on/off
Pres valve ctrl Turns pressure valve on/off
Noise Meas Noise measurement.
Fall time Meas Fall time measurement.
Service Data
Fall time
Fall time indicates the response time of the measuring units. Select ‘Fall time meas’ from the
menu. Notice that text ‘feed’ appears under each gas. Feed the calibration gas until every ‘feed’ is
replaced by ‘start’. Remove the sampling line quickly from the gas source.
Check that fall times are:
O
2
< 480 ms
CO
2
< 360 ms
N
2
O < 360 ms
AA < 520 ms
NOTE: The measurement can be performed only with the modules using module software 884295.
Noise measurement
O
2
, CO
2
and N
2
O
Feed the calibration gas until the gas values are stabilized on screen. Start the measuring by
selecting ‘Noise meas’ from the menu. After 10 seconds stop measuring by reselecting ‘Noise
meas’. Close the gas source. Noise values should be: O
2
< 100, CO
2
< 20, N
2
O< 150.
AA
Select halothane for anesthetic agent. Feed the room air until gas values are stabilized. Perform the
noise measuring as above, the value should be < 20.
NOTE: The measurement can be performed only with the modules using module software 884295.