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Differential Pressure
Piston and Diaphragm Sensors

HOW THEY WORK
 

 

STD. OPTIONS

DIAL CASES

ELECTRICAL

MOUNTING OPTS

 


Below, a 15 psi differential in pressure results in movement of the spring-loaded sensor (piston or diaphragm) from the high pressure port to the lower pressure port (left to right). The sensor magnet induces a rotation in the pointer magnet and the attached pointer. The pointer reflects the 15 psi differential on the dial scale. A reed switch actuates as the sensor magnet moves into close proximity.

Differential pressure piston and diaphragm sensors cutaway drawing

 

                  Differential Pressure Sensors - Piston Type (left) and Diaphragm Type


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