SMI983 Elektrický vysílač polohy


  • Non-reactive conversion of valve- or actuator-position into a load-independent 4 to 20 mA signal
  • Two-wire circuit 



  • Easy adjustment of zero and span by two push buttons
  • Operating condition is displayed by two LEDs
  • Easy configuration of the feedback from direct to reverse
  • The feedback signal can be randomly adjusted between 4 to 20 mA
  • Wear-free, high linear scanning with conductive plastic precision potentiometer
  • Mounting on linear actuators according to IEC 534, Part 6 (NAMUR)
  • Mounting on rotary actuators according to VDI/VDE 3845
  • Simple adjustment to strokes of 5 to 100 mm (0.3 to 4 in) and, by means of rotary adapter, to angular displacements of up to 120°
  • Protection class IP 65
  • Explosion protection: 

II 2 G EEx ia IIC acc. to ATEX 
“Intrinsic Safety” acc. to FM and CSA


The electrical position transmitter SMI983 converts the linear or rotary movement of a valve / actuator into a 4 to 20 mA standard electrical signal.

The configuration of the feedback signal in correspondence to the position of the actuator is easily performed by two push-buttons.