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Home Products Electronic Modules Transducers/Transmitters RTI-420(2W): Resistance Transmitter Module

RTI-420(2W): Resistance Transmitter Module


The RTI-420(2W) is a 2-wire loop powered resistance to current transmitter designed using precision current output converters. It is designed to transmit analog 4 to 20mA signals over an industry standard current loop and provide accurate current scaling and output current limit functions.


  • Wide Loop Supply Range: 7.5 to 36 VDC
  • 2-wire Loop Powered
  • Input Potentiometer: 100 ohm to 10 k-ohm
  • Low Span Error: 0.05%
  • Low Non-Linearity Error: 0.003%
  • DIN-Rail Mountable


  • Positioning Encoding (e.g. Rudder Angle, Valve Position, etc)
  • Signal Conversion from sensors with resistance output


Model RTI-420(2W)
Loop Power Supply
7.5 to 36 VDC
Ambient Operating Temperature
-10 to +50 degC
Input Potentiometer
0 - 100 ohm to 0 - 10 k-ohm
4 - 20 mA
AdjustmentsSpan and Range
(Factory preset to user input range upon request)
Mounting DIN Rail Mountable
Weight 300 g
Dimensions(mm) 112(H) x 55(H) x 74(D)


Ordering Information (Part Numbers)

  • RTI-420(2W) - Resistance Transmitter Module
Last Updated on Tuesday, 23 July 2013 14:24