DeFelsko PosiTest HHD High-voltage Holiday Detector

The new PosiTest HHD High voltage Holiday Detector is DeFelsko's latest addition to its quality line of inspection instruments. The PosiTest HHD uses pulse DC technology and offers a user-adjustable voltage range from 0.5 to 35 kV for detecting holidays in coatings up to 20 mm (780 mils).



  • Lightweight, ergonomic design made from environmentally sealed ABS plastic for maximum durability
  • Built-in voltmeter (crest meter, jeep meter) with long-form traceable certificate of calibration
  • Regulated pulse DC voltage output that won't change under load — ±5% voltage accuracy
  • Available handheld wand accessory quickly converts the instrument into a wand configuration ideal for testing hard-to-reach areas
  • Voltage calculator feature –  choose one of 11 international standards, and input the coating thickness to automatically calculate the required test voltage
  • Included Pelican Storm case with custom foam inserts for superior protection
  • Removable Smart lithium-ion batteries provide power for up to 40 hours of continuous measurement
  • Industry-standard connectors and adaptors for compatibility with nearly all existing electrodes
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