Mindray DPM 1 Manuel de l'opérateur Page 201

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15-17
Calibration Procedure
1. Verify the module enters the Full Accuracy Mode.
2. Connect a gas bottle with the CO2 sensor connector on the monitor as shown below.
Figure 15-11 Connections for Calibration
3. Fill the gas bottle with a standard gas of certain CO2 content (4% to 6%), and input the gas
to the monitor.
4. Open the CO2 USER MAINTAIN menu, and set the CO2 field to a value, which is the same
with the CO2 content of the gas bottle.
5. When the CO2 USER MAINTAIN menu displays the currently measured CO2 content, wait
until a stable reading is indicated, and then select the CONFIRM CAL option to start
calibrating the CO2 module.
6. If the calibration succeeds, “CALIBRATE SUCCESS!” will be displayed in the CO2 USER
MAINTAIN menu. If fails, “CAL FAIL, TRY AGAIN!” will be displayed, and
re-calibration is required.
7. Select the EXIT option to exit the CO2 USER MAINTAIN menu.
15.3.5 Maintenance and Cleaning
The sampling line of the micorstream CO2 module is disposable and cannot be disinfected
for reuse.
Routine calibration of the microstream CO2 module is not required. But the calibration must
be performed if it is prompted in the CO2 USER MATINTAIN menu, or great inaccuracy of
measurement is found.
Monitor
Gas bottle
T-shape connector opening
to the atmosphere
Decompres
sion valve
Tube
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