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ST420 Shaft Speed Sensors

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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.

 






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Shaft Speed Sensor Selection Guide
(PDF, 1241KB)

Machine and Hazard Monitoring Systems
(PDF, 2047KB)

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Item #

Description

Certifications

800-001620 ST420 (low speed) 0.2 - 200 RPM, 8 Pulses Per Revolution ISO 9001
800-001621 ST420 (high speed) 0.2 - 2,000 RPM, 8 Pulses Per Revolution ISO 9001
Custom Custom available ISO 9001
  Results 1 - 3 of 3 1