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PosiTest HHD Series High voltage Holiday Detectors
Coatings Inspection

PosiTest HHD Series High voltage Holiday Detectors

DeFelsko · SKU defelsko-POSITEST-HHD

The PosiTest HHD series detects holidays, porosity, pinholes and other discontinuities in coatings, linings and membranes using pulsed or continuous DC. It is offered as a stick-type with pulsed DC (HHD) and as a compact wand with continuous DC (HHD C). It features a voltage calculator based on coating thickness plus audible and strobe-light alarms.

Technical specifications

KitsHHDKIT (pulsed DC, 72 Wh battery, Pelican case, 50 cm rod), HHDKITB (Basic, pulsed DC, 36 Wh battery, 13 cm rod), HHDCKIT (continuous DC, 4 x 18650 batteries)
WarrantyTwo years
StandardsASTM D4787/D5162/D6747/D7953/G62, ISO 29601, NACE SP0188/SP0274/SP0490, AS3894.1
DimensionsHHD: 64 x 6.4 x 13 cm (25" x 2.5" x 5"), HHD C: 33 x 10.8 x 8 cm (13" x 4.25" x 3.1")
HHD weight1.6 kg (3.6 lbs.) with 72 Wh battery, no electrodes
Pulse (HHD)Duration 10 μs, repetition rate 30 Hz
Ground cable7.6 m (25') with locking connector and spring clamp
HHD C weight0.74 kg (1.63 lbs.) with batteries, no electrodes
Output accuracy±5%
HHD voltage range0.5 — 35 kV
HHD C voltage range0.5 — 30 kV
Operating temperature-20° to 60°C (-4° to 140°F)

Specifications subject to confirmation in the formal quote.

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