Features
      Center hole-through, easy installation,on the safe side.
      Metal casing,better capacity of resisting outside surroundings.
      High-sensitivity/accuracy,good linearity.
      Two series for selection: passive and active

 Applications
      Used in high voltage electric power equipment
         insulation monitoring plant, which is stalled in
         transformers station.Provide exact measure-
         ment for mA leakage current of high voltage
         power equipment, such as transformers sleeve, current transformers

 Specifications
      Frequency:50Hz
      Rated current:10mA,20mA,30mA
      Measuring range:0.5~700mA 
      Output signal:mV/mA
      Amplitude error:±0.1%
      Phase error:±1'
      Environmental temperature:-30°C~+75°C
         Influence on phase error by temperature change is<1'
      Diameter of primary center hole:Φ13mm, 25mm, 40mm, 50mm