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sales@ndtone.comHoliday Detectors — Corona Series
The Corona series are portable, pulsed high-voltage holiday detectors (spark testers) for reliable detection of pores, pinholes, cracks, tears, leaks and other defects in protective dielectric coatings, linings and membranes. Models cover a range of coating thicknesses and applications, including pipelines, tanks and flat-roof membranes.
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Corona 40 – Holiday Detector
The Corona 40 is a portable high-voltage holiday detector designed for non-destructive inspection of protective dielectric coatings, linings and membranes. It is used to detect coating discontinuities such as pinholes,...
The Corona 40 is a portable pulsed high-voltage holiday detector for detecting pinholes, pores, cracks, leaks and other discontinuities in thick protective dielectric coatings, linings and membranes. It is designed for testing coatings from 0.5 to 25 mm thick.
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Corona 5 – Holiday Detector
The Corona 5 is a compact portable holiday detector designed for non-destructive testing of thin dielectric coatings on electrically conductive substrates. It detects pinholes, pores, cracks, leaks and other discontinuities...
The Corona 5 is a portable pulsed holiday detector for non-destructive testing of thin protective dielectric coatings. It detects pinholes, pores, cracks, leaks and other coating discontinuities using an adjustable test voltage and is suitable for coatings from 50 µm to 1 mm thick.
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Corona 40 – Flat Roof Leak Detector Kit
The Corona 40 Flat Roof Leak Detector Kit is designed for non-destructive detection of leaks and discontinuities in waterproofing membranes and dielectric roof coatings installed over conductive substrates such as...
The Corona 40 Flat Roof Leak Detector Kit is a portable high-voltage system for detecting pinholes, cracks, leaks and other discontinuities in waterproofing membranes and dielectric roof coatings applied over a conductive substrate or a dedicated conductive layer, such as steel, concrete or aluminium foil.