The Dazic PROX-MICRO Proximity Switch is a non-contacting speed sensing device which converts pulses from a ferrous target to an electrical signal.

PROX-MICRO Inductive Proximity Switch

Micro-controlled, Field-adjustable, Multi-setpoint Speed Monitor

The PROX-MICRO Proximity Switch is a non-contacting speed sensing device which converts pulses from a ferrous target to an electrical signal. The speed monitor utilizes a microcontroller and proprietary internal software to precisely monitor the RPM rate of the rotating ferrous target(s). Time between pulses is compared to application-appropriate, user-defined settings. It is packaged in a NEMA 4/5 enclosure with a transparent Lexan™ cover for dust and moisture protection.

The PROX-MICRO Proximity Switch is ideal for applications where access is limited such as small or tight locations, as well as high temperature or high vibration installations while providing a remote placement of the controller for easier user access.

  • Large sensing range:
    • 6 – 30,000 RPM based on 1 pulse per revolution
    • 1 – 7,500 RPM based on 4 pulses per revolution
    • 0.1 – 3000 RPM based on 60 pulses per revolution
  • Underspeed monitoring: 20-99%  of running speed
  • Easy to program and field adjustable
  • Status and Relay indicating LEDs
  • Non-contact sensing – not directly coupled to a shaft
  • Powder-coated cast aluminum housing with Lexan™ cover
  • Proximity sensor features:
    • 10-30 VDC NPN M18mm Shielded N.O.
    • 500 Hz, 6′ (1.83 m) cable
    • 0.315″ (8.0 mm) sensing distance
    • Will pick up any ferrous material — magnet not required
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    Dazic® Application Data Sheet
    PROX-MICRO
    Conduit EntryPower/signal wires: 1/2″ NPT,  PROX wire: 3/8″
    Speed Range0.1 Hz – 500 Hz (dependent upon pulses per 1 rotation
    Calibration Range20% to 90% of calibrated running speed
    Input Voltage85 VAC – 305 VAC @ 50/60 Hz
    Power Consumption4 Watt (0.35 Amp @ 120 VAC)
    Output RelaySingle Pole, Double Throw (SPDT),

    10 Amp @250 VAC, or 30 VDC/Resistive Load

    Accuracy+/- 1% of calibrated set point
    Start-up Delay (SDLY)0 to 2 minutes
    Alarm Delay (ADLY)0 to 1 minute
    Status LEDInput Pulse / Alarm Indication (blink rate change)
    Temperature Range-40° to +160° F (-40° to +71° C)
    MemoryNonvolatile, 10-year retention
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