Enumeration ContaminationState

Critical state, will cause nuisance alarms

This value shall indicate that the smoke sensor has contamination levels in a critical state. At this level, the contamination should cause a visible or audible alarm. User intervention is required. Critical contamination of the sensor shall also be reflected as a HardwareFault.

Low contamination

This value shall indicate that the smoke sensor has detectable contamination levels, but the contamination is too low to cause a visible or audible alarm.

Nominal state, the sensor is not contaminated

This value shall indicate that the smoke sensor has nominal contamination levels, no customer action is required.

Warning state

This value shall indicate that the smoke sensor has contamination levels in a warning state. At this level, the contamination may cause a visible or audible alarm. User intervention is suggested.