Speed Switch Sensor & System Testing Device


The SpeedMaster™ with Pulse Pilot provides independent, real time, and complete verification of your entire speed monitoring system to ensure that alarms and shutdowns are working as expected.

The SpeedMaster operates in two modes.  Input mode is used to measure the pulse rate at normal speed. Output mode will allow the user to input pulses to the sensor for testing purposes.  The Pulse Pilot fits in the gap between the 4B speed sensor and the cover of the Whirligig® (see video for details). The Pulse Pilot will have no effect on the operation of the speed switch until it is connected to the SpeedMaster and set to output mode.

Your facility can now fully comply with OSHA 1910.272 OSHA Link



  SpeedMaster Speed Switch Tester  

• Speed Switch Calibration Testing


• Exact Alarm Point Testing


• Exact Shutdown Point Testing


• No Need To Modify Sensor Assembly For Testing


• Easy To Read Display



  Product Questions? (309) 698-5611Phone or Email  Email    
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  SpeedMaster™ Technical Specifications:   Literature:  
  • Power Supply - 4 AA Alkaline Batteries   Product Datasheet Download PDF  
  • Control - Push Button   Full Line Product Catalog Download PDF  
  • Input Mode Indication - Red LED   (See Downloads for more literature)  
  • Output Mode Indication - Green LED      
  • Display - Yellow OLED Display (Shaft Speed / Pulses Per Minute)   Technical:  
      Product Manual Download PDF  
  Part Numbers:      
  • SM2 ~ SpeedMaster™      
  • PP2 ~ Pulse Pilot      
  4B Compatible Sensors & Accessories:      
  • Milli-Speed Switch      
  • M800 Elite Speed Switch      
  • M300 Slipswitch      
  • P800 Proxswitch      
  • Whirligig® Speed Switch Mount (Fully Guarded Target)      
  • Mag-Con™ Magnetic Connector For Whirligig      
  Product Datasheet Download PDF      
  Full Line Product Catalog Download PDF      
  Product Manual - SM2 Download PDF      
  Product Manual - SM1 Download PDF      

Whirligig® - Shaft Sensor Mount

The Whirligig is a fully guarded target for easy mounting of motion sensors. It is a universal shaft sensor mount suitable for all industry standard cylindrical or DIN style inductive sensors.  The Whirligig is available with 1, 2, 4 or 8 pulse targets, and attaches to the machines shaft by a 1/2 in. tapped hole or magnetically using the Mag-Con™ adapter.

See Whirligig

  Speed Switches  

Speed Switch Sensors

4B's line of speed switches include: proximity, inductive, zero speed and stop motion to monitor dangerous belt slip, underspeed or stop conditions on conveyors, bucket elevators and any other shaft driven machinery.

See Speed Switches

  Do I need to remove anything from my Whirligig / Speed Switch assembly in order to use the SpeedMaster?  
  No, one of the features of the SpeedMaster is that you can test the 4B Speed Switch without changing the installation or  
  wiring of the sensor.  
Pulse Pilot
  New SpeedMaster (SM2) 2016 First Generation (SM1) Introduction at IPE 2012  
  M800 Elite Speed Switch Commissioning & Testing