POLI User’s Guide
13
Calibration is required if:
• The sensor module has been replaced with one whose calibration is overdue.
• The defined period of time between calibrations has been exceeded.
• Users have changed the calibration gas type without recalibrating the instrument.
• The sensor has failed in a previous calibration.
4.6 Bump Status
If one or more sensors requires a bump test, then the screen displays the word ‘BUMP’ at
the place of the sensor name, and alternates between the sensor name and the word
‘Bump’ with a highlighted background:
A bump test is required if the defined period of time between bump tests has been
exceeded. This interval is set by an administrator using mPower Suite software.
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