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The Holitech DC Holiday Detector tests and detects pinholes and flaws in insulated coatings on conductive substrates. Where coatings have to provide an effective safeguard against corrosion, it is essential that any pinholes or flaws that will eventually lead to corrosion are detected at the earliest possible stage, preferably immediately after the coating application.
Operation is by a test voltage being applied to the coating by moving a brush electrode across the surface and where there is either a pinhole or flaw, the voltage will spark through the coating, a red indicator will flash and an audible alarm will sound. The detected flaw can be marked for subsequent repair, and testing resumed for the remaining surface area.
The Holitech is a compact and lightweight instrument, which can easily be carried by the operator with the supplied Neck Strap.
The test voltage is of high impedance, allowing for safe testing, and does not damage or cause burn marks to the coating.
Coatings on concrete as well as steel and iron substrates can be tested.
Complies with International Standards: ISO 2746, BS 1344-11, ASTM G 6, ASTM G 62, ASTM D4787, ASTM D5162, NACE RP 04901, NACE RP 0274, NACE RP 0188, JIS G3491, JIS G3492, AS 3894.1, EN14430 and
ANSI/AWWA C 213.
Calibration Certificate with traceability to UKAS is an optional extra. The Certificate is supplied in a paper format and is available online through the Calibration Portal (under Browse Categories) on this website. The Calibration Portal will list all your equipment that is calibrated by Paint Test Equipment, showing the renewal dates and allowing Calibration Certificates to be viewed at any time.
All models are supplied in an Industrial Foam-Filled Carrying Case with High Voltage Probe, Band Brush, Earth Cable and Neck Strap.
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£1095.00 GBP (Ex VAT)