Pressure Switch
Sensaphone Accessories

Pressure Monitor and Switch

  • Description

    Pressure Alarm with Switch

    The PSF103 is a pressure monitor and sensor with a built-in alarm contact. The pressure sensor comes preset to monitor for a drop in pressure below 15 psi but is adjustable from 3" H20 to 60 psi.


    • Controllable hysteresis (deadband)
    • Field adjustable pressure set point, from 3" H2O to 60 psi
    • Snap action basic switch, up to 25A*, 125/250 VAC
    • Many standard pressure ports and mounting options
    • Custom design and engineering available
    • Small size, lightweight, low cost
    • Dependable long life (10+ million cycles)

    *Not available on all ranges

    Pressure Alarm with Switch - Specifications


    • Standard Tolerance: ±20% (Tighter tolerances available)
    • SPDT (single pull / double throw) normally open or normally closed
    • Switching Medium: Air; compatible fluids
    • Mechanical Life: More than 10 million cycles
    • Proof Pressure: Varies by option
    • Operating Temperature: +40°F to +150°F (standard) | -46°F to +205°F


    • Case Material: Polycarbonate (optional: Lexan 141, Supec®, Ultem®, Noryl®
    • Porting Options: Many standard ports
    • Diaphragm Material: Polyurethane (Teflon® optional with limited pressure ranges)
    • Contact Points: Silver (Gold available on special order)
    • Electrical Connections: Terminals - .187"x.020" tab-type for use with quick disconnects (ref. AMP #2-520182-2 or equivalent) .250" available
    • Mounting: Terminals - .187"x.020" tab-type for use with quick disconnects (ref. AMP #2-520182-2 or equivalent) .250" available
    • Weight: Less than 20 grams


    • Current Rating: Varies by option
    • Operating Voltage: Adjustable Pressure Set Point Options

    Pressure Alarm with Switch - Included

    • 1 x Pressure Switch

    Pressure Alarm with Switch - Support and Downloads

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  • Details


    Current Stock:
    SKU: FGDPSF103