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.