The P32 switch senses a change in the differential pressure (either velocity pressure or pressure drop across a fixed restriction in the duct) as air flow in the duct changes.
Features
Easy-to-read set point scale
Small and compact
Versatile mounting options
Applications
Pressure/air flow proving with electric duct heaters, humidifiers, and other equipment
Maximum pressure/air flow control for variable volume systems
Reheat duct powered systems
Clogged filter detection
Detection of icing of air conditioning coils and initiation of defrost cycle
Sensitive pressure settings
Dust-tight snap switch
Specifications
Maxium Over-pressure psig (kPa) - 1 (6.9)
Contact Action - SPDT
Ambient Temp. Max. - -167F (75C)
High Pressure Connector - metal 1/8 in. female NPT inside, 1/2 NPSM outside for mounting
Low Pressure Connector - molded 1/8 in. female
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