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Holiday Detectors

Holiday Detectors are used to ensure the longevity of coating systems by locating flaws such as pin holes, air bubbles, and porosity in non-conductive coatings applied to substrates, including concrete.
PoroTest 7 High Voltage Porosity Holiday Detector, designed for detecting flaws and pores (holidays)
High voltage DC Pulse Holiday Detector
Conforms to ASTM D4787/D5162/G62, ISO 29601, NACE SP0188/SP0274/SP0490, AS3894.1
Low voltage Pinhole Detector
Lightweight, ergonomic design - while most other devices are box-shaped, the PosiTest LPD was specifically designed to fit comfortably in the hand with a balanced weight distribution
4 voltage output options conform to international standards
High Voltage Direct Current DC Holiday Detector
Measuring Ranges:
Model DC15: 0 to 15,000 Volts
Model DC30: 0 to 30,000 Volts
High Voltage Pulse Holiday Detector
Measuring Ranges:
Model P20: 2,000 to 20,000 Volts
Model P40: 5,000 to 40,000 Volts
Model P60: 10,000 to 60,000 Volts
Wet Sponge Pin Hole Detector
Measuring Ranges: 0 to 20 mils (0 to 500 µm)
Circular Pipeline Coils
Available in diameters of 2" (50mm) to 56" (1420mm)
Flat Brush Electrodes
Available in diameters of 2" (50mm) to 24" (600mm)
Circular Internal Brush Electrodes
Available in diameters of 2" (50mm) to 20" (508mm)
External Rolling Pipeline Brushes
Available in diameters of 1" (25mm) to 20" (508mm)
High Voltage DC Crest Meter
Measuring Ranges: 0 to 30,000 volts
High Voltage Pulse Crest Meter
Measuring Ranges: 5,000 to 30,000 volts