Pinhole Detector NOVOTEST ED-3D


NOVOTEST ED-3D Pinhole Detector was designed for rapid non-destructive testing of the continuity of coating (e.g. porosity of film) with thickness up to 500mkm according to ASTM G62-A.
Pinhole Detector is designed for testing the porosity of partially painted places and other discontinuities of protective dielectric coatings on metal products by putting low voltage through a sponge which is soaked in a liquid electrolyte with high penetrating properties.


Size of contact surface of the sponge electrode, mm30×80
Control voltage9V; 67,5V; 90V
The range of checking coating thickness , microns0-500
Dimensions of the device, mm120*60*25
Operating temperature range, ° Сfrom -5 to + 40
Power supply2 pcs batteries AAA
Batteries life, hMore than 10
Net weight with batteries, kg0,2


  • Fully ready to use
  • Automatic calibration and voltage checking
  • Low battery indicator
  • Visual and audio alarms
  • Wide range of interchangeable probes
  • Universal model with three voltage value
  • Easy to connect/disconnect cables with protection of crooking
  • Big standard sponge

Standard Packages

  • Electronic unit
  • Holder with nozzle for sponge
  • Sponge
  • Electrolyte powder (Na2SO4 or NaCl)
  • 3 AAA batteries
  • Charger
  • Operating manual
  • Cables
  • Package

Available Option

  • Sponge
  • Electrolyte powder (Na2SO4 or NaCl)


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