Blue Jay DC Hall Effect Current Transformer

The Blue Jay DC Hall Effect Current Transformer is a highly advanced and sophisticated device that utilizes the Hall effect principle to provide precise and accurate measurements of DC currents. It offers a galvanic isolation between the primary and secondary circuits, ensuring safety and preventing any electrical interference. This open-loop system generates an electronic output signal that can be conveniently connected to PLC or DSP terminal control systems for direct acquisition and use. With its cutting-edge design and dependable performance, this current sensor is an excellent choice for various industrial applications.

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  • No insertion losses
  • Small size, easy installation
  • Low power consumption
  • Linear Output Characteristics
  • Realize remote monitoring and control
  • High immunity to external interference
  • Magnetic field principle, non-contact measurement
  • Short response time, fast response to current changes
  • DC current and AC current measurement


  • Residual current monitors (RCM)
  • Residual current monitoring systems (RCMS)
  • Electric energy meters
  • Distributed measurement systems
  • Switch cabinets
  • Control cabinets



Parameter Value
Supply voltage ±12V,±15V,+12V~+24V
Power consumption <30mA
Measure range ≤±600A
Rated output ±4V±1%, 0-5V(+2.5V)±1%,4-20mADC±1%
Standards IEC60950-1:2001
Supply voltage ±12V,±15V,+12V~+24V
Magnetic offset ±20mV
Offset drift @-40~+85℃, ≤±1
Offset voltage ±20mV
Output drift @-40~+85℃, ≤±1
Linearity error ≤1s
Response time ≤1s
Galvanic isolation AC,1min, 3KV
Isolation resistance @DC 500v, 1000MΩ
Operating temperature -25 to +70℃
Storage temperature -40 to +85℃