DC Holiday Detector

Elcometer 236 DC Holiday Detector
The Elcometer 236 Holiday Detector provides high voltage porosity testing to detect pits, flaws, holes, etc. in a wide variety of non-metallic coatings. Each unit is supplied in a convenient carry case which also holds the probe handle and an additional (optional) external re-chargeable battery pack which doubles the testing time available
Robust and fully portable
Digital display of output voltage or current
Supplied with a band brush probe. A wide range of probe brushes and springs available
Audio and visual alarms for noisy environments. Integrated neon bulb in the handle, together with buzzer indicate when a holiday has been located
Adjustable sensitivity allows use on partially conductive surfaces
Available in two versions: 0.5 - 15kV and 0.5 - 30kV; with fully adjustable output voltage in 100 V steps
The std probe handle can be replaced with a telescopic handle - extending the measurement reach up to almost 4m (13'), ideal for testing on largehigh structures