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Our Products > Vibration and Machine Monitoring Systems > Shaft Speed Sensors

ST420 Analog Output Shaft Speed Sensor

  • Reliably detects magnetic pulses from  rotatingshaft-mounted pulser disc/wrap
  • 2-wire loop-powered 4-20 mA analog output
  • Standard and custom measurement rangesavailable 
  • Operating Temperature: -20°C +85°C
  • Intrinsically safe design
  • Stainless Steel M18x1 housing, NEMA 4X/IP67
  • Class I (Group C, D), Class II (Group E, F, G)
  • ST420-DI (Dust-Ignition Proof)
  • Class II (Groups E,F & G)

906 Standard & 907 Explosion proof Hall Effect Sensors

  • Produces digital pulse signal for use with Speed switches, Tachometers, Counters, Signal Conditioners, or can be used as a direct pulse generator
  • For use with pulse generators such as Pulser Discs/Split Collar Pulser Wraps
  • 6 – 24 Vdc Supply
  • NPN Open Collector output
  • Signal transmits up to 1500 feet from the control unit (speed switch, tachometer, etc.,)
  • Operating Temperature: -40oC to +60oC 
  • 906 Standard series : 
- Water-proof and suitable for most applications, including environments 
         where dirt, dust, grease, or moisture are present
  • 907 explosion-proof series : 
- CSA approved and UL rated 
- Class I, Group D; Class II, Groups E, F, and G, and Class III environments
  • Stainless Steel body, additional cable length, high temperature versions available
  • Quadrature Models (Directional Sensing) : 
- 906B Standard 
- 907B Explosion proof

Series 18 Shaft Rotation Speed Sensors

  • For use with pulse generators such as PulserDiscs/Split Collar Pulser Wraps
  • Hall-Effect or magneto resistive sensors available
  • Single channel or quadrature signaling
  • NPN or PNP transistor outputs available
  • 4 Housing Options available

    - Basic 18mm threaded housing

    - M12 Eurofast connector - quick disconnect

    - 1/2” NPT female rigid conduitport

    - 1/2” flexible, liquid tightconduit

  • Rugged, industrial-duty 18mm stainless steel housing
  • All sensors are epoxypotted and are liquid and dust-tight

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