INFICON Sensistor Sentrac Hydrogen Leak Detector - Manual (Page 41)

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8.3 Hands On
Parameters such as leak sizes, leak units and sensitivity can easily be set in the
instrument.
1 Turn the Sensistor Sentrac unit on. Unit starts up and the blue LED light, on the
right of the display, should be flashing slowly during warm-up phase. When unit is
ready to use the blue LED shines with a fixed, steady light.
2 Move the Hand Probe close to and along the pressurized test object. Move the
probe on the possible places where there may be leaks.
3 When a leak is found and the highest signal is found, move the probe away from
the leak and back again for verification.
Notice It is important to have a correct calibration when measuring the size of a
leak in Measuring Mode and Combined Mode. Calibrate the probe before
performing measuring, see Chapter 10 “Calibration” on p. 47.
Ensure that the test object is pressurized properly before performing a
test.