Mindray VS8, Руководство по обслуживанию

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4-10 VS 9/VS 8 Vital Signs Monitor Service Manual
4.5.4 CO
2
Test
4.5.4.1
CO
2
Leakage Test
It tests whether the CO
2
module leaks.
Test Preparations
None.
Procedure
Follow this procedure to perform the test:
1. Start up the monitor. After the CO
2
is warmed up, completely block the gas inlet of
the module or watertrap (you may use a pneumatic plug or your finger to manually
occlude the port).
2. Sidestream CO
2
module: After 3 seconds, the alarm message CO2 Airway Occluded is
displayed on the screen. Block the gas inlet for another 60 seconds. Select Main
Menu
->
Maintenance
-> enter the password ->
Module
->
CO2
->
Calibrate
to check
that the current CO
2
flow rate is less than 10 ml/min. If the alarm message remains
on the screen, it indicates that the module does not leak.
4.5.4.2
CO
2
Accuracy Test
It tests the CO
2
module accuracy.
Test Preparations
Test tools:

Steel gas cylinder with 3%-7%±0.3% CO
2
and balance gas N
2
(P/N:
0075-00-0033-01)
 T-shape connector

Air tubing
Procedure
Follow the procedure below:
1. Turn on the monitor. Wait until the CO
2
module warm-up finishes. Check the airway
for leakage and perform a leakage test as well to make sure that the airway has no
leakage.
2. Select Main Menu -> Maintenance -> enter the password -> Module -> CO2 ->
Calibrate .
3. Connect the test system as follows: