DFT Instruments is delighted to introduce our customers to the new PosiTest HHD High voltage Holiday Detector. The PosiTest HHD uses pulse DC technology, offering a user-adjustable voltage range from 0.5 to 35kV for detecting holidays, pinholes and other discontinuities in coatings up to 20 mm (780 mils) thick.
The versatile gauge is ideal for use with a wide range of rolling spring and flat wire brush electrodes — custom sizes are available upon request. Alternatively, use existing electrodes with industry-standard adaptors.
Key Features
- Lightweight, ergonomic design provides comfortable all-day use, reducing operator fatigue
- Built-in certified voltmeter (crest meter, jeep meter) displays and regulates the voltage at the electrode
- Long Form Certificate of Calibration included with each instrument
- Regulated pulse DC voltage output that won’t change under load — ±5% voltage accuracy
- Available handheld wand accessory quickly converts the detector 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 — fully rechargeable in 3 hours
- Extensive electrode options — choose from a wide range of rolling spring and flat wire brush electrodes or use electrodes from other manufacturers with optional adaptors — custom sizes available upon request
- Optional PosiTest HHD Verifier standalone voltmeter (crest meter, jeep meter) for verifying the accuracy and operation of ALL pulse type and DC holiday detectors
