Product information

The ADD™ allows online partial discharge detection on medium voltage accessories such as: Arresters, dry type transformers, bushings, insulators, etc… The partial discharge level is displayed by visual and audible indicators. The remote display module also allows to read the levels from a great distance for maximum safety. 


  • Three levels default indication
  • Two zones (scale of default)
  • Visual and audible indication
  • All-Check self-test for verifying
  • proper operation prior to use
  • Built-in universal hotstick adaptor
  • Powered by 9V alkaline battery
  • Carrying case included
  • Low battery indication
  • Lightweight design
  • Special design for HV live contact


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