Product Manual

4-7
4.2.5 CO
2
Test (Only Available For Accutorr 7)
Accuracy Te st
Tools required:
 A steel gas cylinder with 5% CO
2 , 21% O
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 start flowing CO
2 and make sure that there is sufficient flow to vent
to atmosphere.
4. Verify the realtime CO
2 value is within 5.0 ± 0.3% in the [Calibrate CO2] menu.
Monitor
Tubing
Cylinder
T
-shape connector
Relief valve