VWR CO2 Incubator Basic, User Manual

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CO2 Incubator Basic VWR
Chapter 10
Comparison measurement procedure:
Figure 20 – CO
2
calibration
1. Turn device on using power switch.
2. Set CO
2
nominal value and allow device to heat up completely and to create humidity. This
process may take several hours.
3. Route the measuring instrument either through the measurement opening [2] in the glass
door or through the access port [1] at the rear panel of the device. Wait until the CO
2
value
displayed by the instrument has stabilized.
4. Remove measuring probe, plug measurement opening and close doors.
5. Calibrate CO
2
control as described in Section “CO2 calibration procedure”.
Measurement example:

CO
2
nominal value: 5%

Measured value: 5.6%