220.127.116.11.1 Semantic definition
A device that senses or detects gas. HISTORY: Changed in IFC4. Gas detected made into enumeration, set point concentration and coverage area added. Range, accuracy and time constant deleted.
18.104.22.168.2 Applicable entities
|Name||Property Type||Data Type||Description|
Identification of the gas that is being detected, according to chemical formula. For example, carbon monoxide is 'CO', carbon dioxide is 'CO2', oxygen is 'O2'.
The concentration to be sensed. Use IfcPropertyBoundedValue.SetPointValue to set the set point value.
The area that is covered by the object.
Floor area (typically measured as a circle whose center is at the location of the sensor).