INFICON Sensistor Sentrac Hydrogen Leak Detector - Manual (Page 39)

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8.2.3 How To Measure Leaks
In Measuring Mode, the measured value is displayed in figures.
1 Calibrate the probe.
See Chapter 10 “Calibration” on p. 47 for more information.
2 Click the Measuring Mode icon on the Operation Screen.
Notice Default unit in Measuring Mode is cc/s. To set it to other units click
Settings >> Measuring Mode.
The period during which the measured value is displayed can be adjusted
in the Measuring Mode Settings menu. Click Settings >> Measuring
Mode.
The leak detector operates in the range 0.5 - 1000 ppm H
₂
. To obtain
greatest accuracy over this range, follow the calibration recommendation.
See Chapter 10 “Calibration” on p. 47.