CTH | Industrial controls

SMI983 – The Electrical Position Transmitter

The electrical position transmitters SMI983 and SRD960-TXQ convert the linear or rotary movement of a valve / actuator into a 4 to 20 mA standard electrical signal (Two-wire circuit).

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Description

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The electrical position transmitters SMI983 and SRD960-TXQ convert the linear or rotary movement of a valve / actuator into a 4 to 20 mA standard electrical signal (Two-wire circuit). The configuration of the feedback signal in correspondence to the position of the actuator is easily performed by two push-buttons.

Benefits

Wear free, highly linear scanning with conductive plastic precision potentiometer

Specially suitable for small strokes by using a movement amplification mechanism

Easy adjustment of zero and span with two Push Buttons and two LEDs

For linear and rotary movement

Easy configuration of the feedback from direct to reverse

Intrinsically Safe (with the SMI983) or Explosion Proof (with the SRD960-TXQ)

Applications

For on/off or control valves

Can be used in addition of a Valve Positioner to provide valve feedback position

All process industries applications with or without electrical certification