Signal Converters

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WSPF-MSW - Dual-output Potentiometer Converter

This compact plug-in signal converter connects with 3-wire type potentiometer, and provides DC voltage or current.
This converter has Isolator built-in, also has burnout protection circuit as standard equipment.


  • Fine zero & span adjustment by 25 turn trimmer
  • Wide zero & span adjustment
  • Safe design by dielectric strength of 3000VAC
  • Compatible with 30Vdc power supply voltage
  • 5 years warranty, long life
  • CE approved

Common Specifications

Input Signal : 3-wire type potensiometer
Accuracy : ±0.1% FS (at 23°C)
Response time : Approx. 25ms (0 to 90%)
Allowable load : Current output
    First output: 15V or less of voltage drop between output
    Second output: 11V or less of voltage drop between output
  Voltage output
    Load current 5mA or less
      *1μA or less if the output is less than 1V FS
Span adjustment : 50 to 100% of rated input (25 turn trimmer)
  (±20% for input 19)
Zero adjustment : 0 to 50% of span (25 turn trimmer) (±20% for input 19)
Operating temperature : -5 to +55°C
Operating relative humidity : 90% or less (Non-condensing)
Storage temperature range : -10 to +60°C
Temperature coefficient : ±0.015% FS of span per °C
Burnout protection : Upscale / downscale *Please specify when you order for downscale
Isolation : Between input, output, and power supply
Insulation Resistance : 100MΩ or more with 500Vdc megger
  Between input, output, and power supply terminal
Dielectric Strength : 3000Vac for 1 minute between power supply and
  input/output terminal,
  2000Vac for 1 minute between input and output terminal
Power Consumption : Approx. 5.6VA (AC), Approx. 88mA (DC)
Power supply variation : ±0.1% FS (within the range of rated voltage)
Dimensions : 84(H) X 29.5(W) X 106.5(D)mm
Weight : Approx. 150g
Structure : Plug-in (Body part and socket part)
Connection : M3 SEMS screw part of the base socket (Tightening torque 0.6N·m)
Mounting : DIN rail or wall surface
Case color and material : Ivory, ABS resin, flame retardant grade UL94V-0
EMC directive : EN61326-1, EN61010-1, EN50581
  Installation category : II, Pollution degree : 2
Rated altitude : 2000m or less

Download Data Sheet
Download Data Sheet