6 Switzer operating instructions pressure switch, model PS01-W1.
OI-PS01-W1 11/2016
4. Operation
Process pressure when applied to the sensing element creates a force which
overcomes the force of a pre-tensioned spring and in turn moves a balancing arm to
eff ect a minimal movement to actuate the microswitch.
Contacts gets reset when the force of the sensing element becomes less than that of
the spring load.
The instrument reset point can be varied by adjusting the diff erential spring in low
ranges (available as option).
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