Bergoz IPCT-2000MA

Bergoz IPCT-2000MA

Integrated Parametric Current Transformer

The Bergoz IPCT-2000MA is one of our refurbished Integrated Parametric Current Transformers.

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The IPCT is a High Sensitivity Current sensor operating on the principle of the Direct Current Current Transducer (DCCT). Invented at CERN, the European Particle Physics Laboratory, by K. Unser in 1969. The DC component of the primary current flowing through the toroid sensor is detected by a magnetic modulator, also called a fluxgate or second-harmonic detector.

The AC component is detected by an active Hereward transformer. The two circuits are cascaded in a common feedback loop to generate a current and hence magnetic flux which always cancels the primary current flux. The IPCT output is the voltage developed by the feedback current or "compensation current" through a precision "burden" resistor internal to the IPCT.

Bergoz IPCT-2000MA Features:

  • Full scale range from ± 1 mA to ± 2A
  • Flat response from DC to 4 kHz (depending on range)
  • 10 µA rms resolution on any range
  • ± 10 V analog output
  • Large aperture 69 mm (2.7in)
  • Accuracy independent of primary conductor position
  • Withstands high overload and inrush currents
  • Increased sensitivity with multiple primary turns
  • 100 times better resolution than Hall effect current sensors


  • Return ground currents, DC and AC
  • Leakage current, DC and AC
  • Sum of low currents
  • Small difference of high currents
  • Low current at high voltage
  • Power tube electrode currents
  • Electrostatic corona discharge
  • Electrochemically induced currents
  • Standby systems charging currents