Contact
Brand :  Electro-Sensors
Manager :  Danny Lin
Phone :  0755 - 8384 2039
Fax :  0755 - 8384 2050 
Email :  esi@euro-me.com 
Website :  www.electro-sensors…
ST420(4-20 mA Shaft Speed Sensors)

ST420  4-20 mA Shaft Speed Sensors

Features
  • 2-wire, loop-powered 4-20 mA analog output
  • No user calibration: works right out of the box
  • Works with shaft-mounted pulser targets (disc/wrap)
  • Rugged stainless steel M18x1 housing
  • Reverse-wiring protected
  • UL listed, Intrinsically Safe (IS)  
  • Class I, Div I (C, D) Class II, Div I (E, F, G)

 

 

The patented ST420 detects passing magnets of a shaft-mounted pulser disc or wrap and outputs a smooth, continuous 4-20 mA analog signal in direct proportion to shaft rotation speed.Custom speed and pulser disc/wrap PPR ST420 models are available upon request.