Displacer replacer
Accueil
Pressure switch
Temperature switch
Pressure sensor
Hazardous area
Industrial control
Pressure gauge
Nuke gauges
Electronic measurement
Liquid flow
Non intrusive
Precision instrument
Eex
•Capacitance probe
•CENELEC
•Communication protocol
•Coriolis mass
•Coriolis meter
•Displacer replacer
•EEXd
•Eexia
•Emulsion layer
•Fieldbus
•Interface profile
•Leak detectors
•Metering skid
•Monitor h2s
•Offload metering
•Oil pressure switch
•Percent solids concentration
•Ph of liquids
Thermocouple

Pressure switch

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The pressure or temperature to be controlled is applied to a sensor (manometric, tube, bellows, bulb). Whenever there is a change of pressure or temperature, the sensor is distorted and acts on a force balance connected to a microswitch. Opposite this sensitive element, an adjustable spring enables the working point to be adjusted : whenever the pressure on the sensor is sufficient to counter the spring pressure, the force balance changes position. Adding a second adjustable spring permits greater or lesser increase of the hysteresis (dead-band) or to act on dislocation between the two contacts if the instruments is thus equipped. Search displacer replacer within a few mouse clicks

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