Products » Current Transducers » RPS50



RPS50
RPS50
Multiscale single Rogowski Coil converter

Highlights
  • Three scales selectable by dip-switches
  • Equalization and 90 ° shifting of the Rogowski coil signal
  • 1 or 3 VRMS full scale output for instantaneous value
  • DC output for rms value
  • Customizable input sensitivity
  • Compact DIN rail enclosure
  • 80à·250 VAC power supply
Applications
  • Measuring devices, lab instrumentation
  • Power monitoring & control systems
  • Harmonics and transients monitoring
  • DC ripple measurement
  • Welding machine control
  • High current measurement
Specifications
Power supply
Rated voltage: 80à·250 VAC +15% -20%
Consumption: 1.5 VA max

Electrical characteristics
Input: 1 for Rogowski coil
Input level (RMS ) (1): 100 mV / 1 kA @ 50 Hz
Output 1: 1 VRMS (max crest factor 4.5)
3 VRMS (max crest factor 1.5)
Output 1 load: › 10 kOhmv Output 2: 0à·20 mA, 4à·20 mA, 0à·10 VDC
Full scales values: 0.5 - 2.5 - 10 kA
2.5 - 10 - 50 kA
10 - 50 - 250 kA
Accuracy (2): better than ±1% of full scale
(not guaranteed for fullscale ≤10 mV)
Frequency range (3): 8 Hz to 100 kHz@-3dB

Environmental conditions
Operating temperature: from -10 °C to +50 °C
Storage temperature: from -25 °C to +70 °C
Relative humidity: 80% max. without condensation

Mechanical characteristics
Material: plastic enclosure plastic enclosure
Protection degree: IP20 IP20
Size / weight: 115x100x23 mm / approx 117 gr

Standards compliance
Safety: 73/23/EEC and 93/68/EEC directives, EN61010.1 safety standard
EMC: 89/366/EEC directive and following modifications 93/31/EEC and 93/68/EEC, EN50081-2, EN50082-2, EN61326/A1

(1) The Rogowski coil output is proportional to the rate of change of current. The calculation formula is: Ampere rms x Hertz x K x 10-6, where K depends on manufacturing. The K value is 2 for 100mV models.

(2) RPS50 is delivered with the specified accuracy. Moreover, the calibration of each scale is adjustable by user to achieve the maximum accuracy in conjunction with the coil.

(3) The low limit is approximate and it is determined by noise effect on very low signals.
Related products

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