Clearing A Sensor - Honeywell GasAlert Extreme User Manual

Clearing a Sensor

Each sensor has a high degree of resistance to common vapors and
gases. To clear a sensor, move the detector to a clean environment and
wait 10 to 30 minutes.
Do not expose a sensor to the vapors of inorganic solvents,
such as paint fumes or organic solvents.
Note
GasAlert Extreme
Maintenance
45