Autocalibration Failure; Accessing The Expanded Tolerance Calibration - MSA Orion G Manual De Operaciones

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Operating Manual
Figure 5-4. Typical Calibration Setup -
8. Remove the calibration cap or tubing from the instrument inlet.
9. Close the valve on the regulator.
NOTE:
The autocalibration procedure adjusts the span
value for any sensor that passes the test;
sensors that fail autocalibration are left unchanged.
NOTE:
Since residual gas may be present, the instrument
may briefly go into an exposure alarm after the
calibration sequence is completed.

Autocalibration Failure

If the Orion G Multigas and Leak Detector cannot calibrate one
or more sensor(s), the instrument goes into the Autocalibration
Failure Page and remains in alarm until the CHANGE/RESET
button is pushed. Sensors that could not be calibrated are
indicated by dashed lines on the concentration display.

Accessing the Expanded Tolerance Calibration

Check that:
for Pumped Versions
Chapter 5, Calibration
5-5
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