D141-32-880 Issue A
Page 16
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MAINTENANCE
5.4
Custom calibration (cc/sec leak rate units)
CAUTION
Do not breathe on the probe. The GasCheck G3 can detect changes in humidity and carbon dioxide and
significant errors in the calibration will result.
Read the instructions below fully before calibrating the GasCheck G3. The following procedure should be followed if
the GasCheck G3 has been set to cc/sec .
Note:
Calibration of the GasCheck G3 in cc/sec leak rate units requires the use of a portable reference leak.
Contact Edwards for more details.
Table 5 - Calibration of the GasCheck G3 (cc/sec leak rate units)
Ensure the pressure on the portable reference leak is set correctly.
Select the calibration procedure on the main menu (refer to
Select custom cal by using the or key to move the 'tick' to ' '
icon and press the key.
Ensure that the GasCheck G3 is in clean air and press the key. The
Instrument will take a few seconds to zero and then the 'Ready' screen
will appear.
Fully insert the probe into the portable reference leak and press the
key. The GasCheck G3 will sequence through the cold and hot stages of
calibration and will display a summary of values.
Press the key to return to the main calibration screen.Press the
key to start using the instrument or press the key to calibrate
again.
