Rotational speed sensor ST420-DI

magneticstainless steelanalog output

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. Optional EZ-18mm Easy Sensor Mount (see EZ-18mm page for more details) Features • Mounts directly to the tapped shaft • Can be used with optional Mounting Magnet if the shaft is not tapped • Pulser disc is included with optional EZ-18mm • EZ-18mm is for Series 18, ST420 Series, and SpeedTalker Sensors