INFICON Sensistor Sentrac Hydrogen Leak Detector - Manual (Page 51)

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Example, Calibration Leak:
Calibration Leak Rate is 4.2E-05 mbarl/s (95%N
2
/5%H
2
).
Calibration Unit = 'mbarl/s'
Calibration Value = 4.2E-05
Calibration Leak Gas = 95%N
2
/5%H
2
Example, Calibration Gas:
Calibration Gas containing 10 ppm Hydrogen in synthetic air.
Calibration Unit = 'ppm'
Calibration Value = 10
Click Interval to activate and set the Calibration Interval Reminder.
Click Info for information about the last successful calibration time.
Notice If another pressure is used than that on the certificate, correlate the
resulting flow and use this value as Calibration Value. During the
calibration procedure, the concentration of the calibration leak should
always be within the range of:
5 ppm - 400 ppm H
2
1x10
-5
to 4x10
-3
cc/s (mbarl/s) defined for air
3 to 120 g/a defined for R134a
Use the same value or higher (maximum 10 times higher) than the Reject
Level.
If uncertain of the optimal calibration leak for your application, please
contact your local provider of the Leak Detector.