Electro-Sensors, Inc. 4-20 mA Shaft Speed Sensor ST420-LT

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 with integral conduit attachment • Reverse-wiring protected • FM approved, Dust Ignition-proof Class II, Div I (E, F, G) • NEMA 4X, IP65 ST420-LT Integral ½ in flexible liquid-tight conduit fitting ST420-DI Integral ½ NPT female conduit port The patented ST420-LT and ST420-DI detect passing magnets of a shaft-mounted pulser disc or wrap and output a smooth, continuous 4-20 mA analog signal in direct proportion to shaft rotation speed. Custom speed and pulser disc/wrap PPR ST420-LT and ST420-DI models are available upon request.