Multi Measuring Instruments Co.,Ltd. Japanese Chinese
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The Latest CT Technologies

The Latest CT Technologies

The Latest CT Technologies
Contents Drawing(Click to enlarge)
(1)High speed response,high accuracy DC leakage current sensor
  • High speed response,high accuracy DC leakage current sensor.
  • Response time : Less than 100msec.
  • Influence of residual current : Less than approx.DC 2mA
  • Influence of magnetization and terrestrial magnetism : Less than approx.DC 1mA in current level
  • DC earth fault measurement for solar power system.
(1)High speed response,high accuracy DC leakage current sensor
(2)High accuracy AC/DC current sensor for solar power conditioner
  • High accuracy AC/DC current sensor which is detectable less than 1 % DC component in AC current is under development.
  • Main application is measurements of AC and DC current component of secondary output from the solar power conditioner.
(2)High accuracy AC/DC current sensor for solar power control
(3)H.V insulation monitor
  • The insulation monitor for High voltage power line is under development.
  • This is new insulation monitoring method by measuring the neutral point of zero phase current and nuetral potential of H.V shielding.
(3)H.V insulation monitor
(4)Non contact Igr detector
  • Non contact Igr detector which is detectable the resistive leakage current is under development.
  • This is used for the serch of Igr leakage current in low voltage circuit.
(4)Non contact Igr detector
(5)Flexible AC/DC current tester
  • This is new leakage AC/DC current tester with φ200mm flexible CT.
  • The measuring range is AC/DC 0.01A ~2500A.
(5)Flexible AC/DC current tester