PCWI Wet Sponge Pinhole Detector

PCWI Wet Sponge Pinhole Detector

PCWI Compact Wet Sponge Pinhole Detector

This Holiday detector uses the low voltage wet sponge method to detect pinholes (holidays) in coatings.

Model is available in 9, 67.5 or 90 volt selectable.

Complies with the requirements of AS3894.1-2002 (Wet Sponge Testing); ASTM G62-07; ASTM D5162-08; Nace Standards: RP0274-2004 & SP0188-2006. CE compliant. Manufactured in Australia.


  • Uses the wet sponge method to detect pinholes in coatings.


  • LED display of voltage
  • Internally mounted 9V battery
  • Low battery condition LED indicator
  • Audible and visual fault alarms
  • Telescopic handle for user comfort (extends to 4' (1.2m))
  • Large probe head 9" x 2" (230 x 40mm) and wider sponge allows for faster testing
  • Earphone jack to allow testing in noisy environments (earphone not supplied)

Wet Sponge Pinhole Detector Kit comes complete with:

  • Unit and Handle including Sponge
  • Belt / pocket clip
  • 23' (7m) earth cable and clip
  • Carrying case
  • Instruction manual with calibration certificate

We highly recommend high voltage holiday and porosity testing in lieu of wet sponge testing when working with coatings over 150µm, or coatings in corrosive environments.


Range: 0 to 500 µm
Operating Temperature Range: 32°F to 122°F (0°C to 50°C)
Test Voltage: 9, 67.5 and 90V
Telescopic Probe Length: 14" to 4' (350mm to 1.2m)
Power: 9V Battery
Dimensions: 8.3" x 3" x 1.4" (210 x 75 x 35mm)
Weight: 0.8 lbs (350 g)

Product Literature

Description Part # Saved Price Select Option Add to
Wet Sponge Kit (9, 67.5 & 90 Volt) CT-PCWI-0789 $482.00