Transmitter WT225

can be shipped within ca. 14 days

Price without VAT or delivery
Delivery weight: 450 g

  • Transmitter for connection to a Pt100 element , mV transmitter or potentiometer
  • Measurement and span from the front by trimmer
  • Outputs 0...10 V and 0/4...20 mA
  • Operating temperature 0...50 ° C
  • Supply voltage 230/115 Vac, 24 Vac or 24 Vdc
  • Plastic housing for mounting on 35 mm DIN rail according to EN 50022 (DIN-rail)


Transmitter for connection to Pt100 - or mV measuring primary elements - or resistance potentiometer. Output signals are both a voltage signal 0...10 V and a current signal 0/4...20 mA. Both output signals are related to their common negative pole.

Please select span, others on request.



Input: Pt100 in three-wire circuit, mV or resistance
Measuring range: lowest 20 °C, highest 400 °C at VT 225 lowest 0...10 mV
Start of measuring: -50, -30, 0, +30, +50, +100 °C
Characteristic: temperature linear, voltage linear
Settings: start of measuring and measuring range to be adjusted at the front via trimmer
Test sockets: 2 mm ø for measuring the output current, internal resistance of the current meter max. 10 Ω
Voltage output: 0...10 V, short-circuit proof, max. 5 mA
Current output: 0/4...20 mA, max. burden 600 Ω
Max. output: approx. 25 mA with overload or breeak of probe, display by means of red LED
Supply voltage: 230 Vac/115 Vac via incorporated mains transformer or 24 Vdc or 24 Vac
Power consumption: approx. 1,5 VA
Case: polyamid grey, for mounting on 35 mm standard profile DIN-rail as per EN50022
Dimensions: 22,5 x 99 x 110 mm (w x h x d)
Connection: terminal screws up to 2,5 mm²
Protection class: IP20 acc to EN60529
Display: operation green, overload or break of probe red
Ambient temperature: 0...50 °C
Rel. humidity: 0...85 %, no condensation
Weight: approx. 160 g
EMC: tested according EN 61000-6-2, EN 61000-6-3, CE mark
Accuracy: ± 0,2 %
Temperature drift: ± 0,2 % / 10 K


Additional product information

manual Download
data sheet Download

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