Rae MultiRAE - Bump Status

MultiRAE User’s Guide
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6.6 Bump Status
The instrument displays this icon next to the sensor that requires bump test:
A bump test is required (and indicated by this icon) if:
 The defined period of time between bump tests has been exceeded (bump test overdue).
 The sensor has failed a previous bump test.
 The sensor(s) should be challenged on a periodic basis.