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Spark (Holiday) Tester Voltage Calculator

Calculating the correct voltage for your high voltage detector

voltage testerA high voltage holiday detector works by passing a high voltage through to the conductive substrate to complete the electrical circuit. The holiday detector needs to be adjusted to pass the correct level of current depending on the thickness of the coating. Where the coating has a defect and the circuit is completed, the detector will activate an audible and visual alarm.

Used in accordance with ISO2746, AS3894-1 Standards.

It's important to collect the following data:

  • Dry Film Thickness (Microns)
  • Coating Factor

Dry Film Thickness

Microns
Use DFT in Microns (Mils x 25.4)

 

Coating Factor

Calculate Your Test Voltage

Your Test Voltage (kV)

kilovolts

DISCLAIMER: The above calculator is only a guide and does not represent nor claim to be either a full or complete or accurate nor an approved or standard method of calculating blasting efficiency. It is the responsibility of the reader and/or users of this information to determine and verify each calculation as required in or by any work specifications and/or standards. Blast-One™ expressly disclaims any liability for the use or misuse of the above information.

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