Mindray VS-900 - CO Test

4-7
4.4.3 CO
2
Test
Accuracy test
Tool required:
 A steel gas cylinder with 5±0.03% CO
2 and balance gas N2 (P/N 0075-00-0033-01)
 T-shape connector
 Tubing
1. Select Main]→ [Maintenance >>]→[User Maintenance>>]→enter the required
password→ [Module Maintenance>>]→[Calibrate CO2>>]
2. Connect the test system as follows:
3. Open the valve to flow CO
2 and make sure that there is flow sufficient to vent to
atmosphere.
4. Verify the realtime CO
2 value is within 5.0 ± 0.3% in the [Calibrate CO2] menu.
CO2 calibration
Tool required:
 A steel gas cylinder with 5±0.03% CO
2 and balance gas N2 (P/N 0075-00-0033-01)
 T-shape connector
 Tubing
1. Select [Main]→ [Maintenance >>]→[User Maintenance>>]→enter the required
password→ [Module Maintenance>>]→[Calibrate CO2>>].
2. In the [Calibrate CO2] menu, select [Zero].
3. After the zero calibration is finished successfully, connect the equipment as follows:
Flowmeter
Sampling line
T-shape connector
Cylinder
Relief value
Monitor