Note: Dotted line indicates automatic progression.
8. If the calibration is not aborted, the display shows the sensor names and tells you
whether the calibration passed or failed, followed by the sensor readings.
Note: The gamma radiation sensor comes pre-calibrated from the factory and does not require
routine calibration. However, you can check it by placing a check-source on the rear of the
AreaRAE Plus/Pro equipped with a gamma sensor to check the readings. Place the check-
source near the upper middle of the rear of the instrument and hold it until you see the Gamma
reading change in the display.
Single Sensor Span 2 Calibration
If the sensor is configured to allow a second calibration, after the first span calibration the
display provides a prompt. With a label of “Span 2 Calibration,” it says, “Calibrate?” If you want to
perform a second calibration, attach calibration gas to the “T” tube, start the flow, and calibrate
just like the first span calibration.
AreaRAE 57 User Manual
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