For measuring AC current

This complete range has thirteen C100 series transformer clamps, with all the advantages of the old C30 series clamps but with some remarkable improvements particularly as regards safety, ease of use and performance.

* 1000 A measurement, high accuracy, linearity, uniformly distributed winding for minimum
  dephasing, oscillating magnetic element adjustment system, clamping ø52mm and metal core
  models, specially developed for wattmeter applications
* finger-recess trigger, patented assisted jaw opening system,
* IEC 1010 600 V CAT III safety (industrial and commercial), non-slip guard, conductor anti-
  pinch system, etc..
* can be connected to any multimeter, wattmeter, recorder, oscilloscope (model C160 - clamp
  with BNC connector)