PT1 is a range of compact, configurable multiple-input transducers designed to meet the demanding needs of supply utilities and industrial applications. It offers accurate true-RMS measurements and quick response time. It is equipped with two load-independent, galvanically-isolated analogue outputs that can be configured on site for different input parameters, input range and output curves.



    • Data acquisition system (SCADA)
    • Input to indication & monitoring applications
    • Process control
    • Plant automation
  • Key Feature

  • ▪      Best-in-class response time                              

    ▪      Long input range, site-configurable inputs, outputs and measurands

    ▪      Diagnostic LEDs

    ▪      2-in-1 programmable transducer

    ▪      Load-independent accuracy on all outputs

    ▪      Easy configuration through USB port, without powering up the transducer 

    • Specification
    • Measurement functions (measurands)

      AC voltage

      Nominal input (Un)

      57.7 V to 415 V

      Measuring range

      0 to 130% of Un (up to 500 V)

      Measurement frequency

      50/60 Hz ± 5%

      Scale factor

      0.8 to 1.3 x Un (up to 500 V)


      ≤0.2 VA

      Maximum overload voltage

      1.3 x Un continuously

      2 x Un for 1 s, with up to 10 repetitions at 10 s intervals


      AC current

      Nominal input (In)

      1 A to 5 A

      Measuring current range

      0 to 150% of In

      Scale factor

      0.6 to 1.5 x In


      ≤ 0.2 VA

      Maximum overload current

      2 x In continuously

      20 x In for 1 s, with up to 10 repetitions at 100 s intervals


      Nominal input voltage (Un)

      57.7 V to 415 V

      Input range

      0 to 130% of Un (up to 500 V)

      Measurement range

      45 Hz to 55 Hz, or 55 Hz to 65 Hz


      ±0.2 %

      Active Power

      Nominal input voltage (Un)

      57.7 V to 415 V

      Input voltage range

      0 to 130% Un (up to 500 V)

      Nominal input current (In)

      1 A to 5 A

      Input current range

      0 to 150% of In

      Measurement frequency

      50/60 Hz ± 5%

      Scale factor  

      0.5 to 1.5 of Un x In (at UPF)

      Auxiliary supply

      High auxiliary

      Nominal voltage range

      80 V to 276 V AC/DC (±10%)


      50/60 Hz

      Maximum burden

      ≤6 VA, 3 W (with one output at 750 Ω)

      ≤7 VA, 3.5 W (with two outputs at 750 Ω each)


      Low auxiliary

      Nominal voltage range

      24 V to 80 V DC (±10%)

      Maximum burden

      ≤3 W (with one output at 750 Ω)


      ≤4 W (with two outputs  at 750 Ω each)


      Analogue outputs

      Output type

      mA or V

      Maximum load resistance     

      ≤750 Ω for  20 mA, ≥2 kΩ for 10 V   (for each output)

      Response time

      5-cycle measurement (100 ms to 220 ms)




      Temperature range

      Operating range

      -5 °C to +55 °C

      Functional range

      -20 °C to +70 °C

      Storage range

      -25 °C to +70 °C



      Dimensions (W x H x D)

      45 mm x 75 mm x 105 mm


      0.4 kg (approx.)


      Fire-retardant polycarbonate (PC-FR), UL94 V-0


      DIN (EN 50022)



      Protection class   

      II (double insulation) EN 61010-1

      Pollution degree


      Installation category

      CAT III for < 300V AC and CAT II for < 600V AC

      Protection degree

      Housing: IP 40; terminals: IP 20




      IEC 60688, IEC 61010-1, IEC 61010-2-30, IEC 61326-1, DIN 50022



      Mini-USB port

      For on-site configuration (can be configured without auxilary power)

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