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Elcometer 270 Pinhole Detectors

The Elcometer 270 is a high-quality, low voltage pinhole detector designed to identify porosity and pinholes in non-conductive coatings up to 500μm (20 mils) on conductive substrates. Ideal for powder coatings, tank linings, and protective coatings, it combines reliability with ease of use, offering professionals the tools needed for thorough surface inspection.

Key features

User-selectable voltages: 9V, 67.5V, and 90V depending on model.

Visual & audible alarms: Immediate detection feedback for accurate inspections.

Automatic voltage check: Ensures consistent performance by verifying internal voltage.

Snag-free cables: Easy-release design in 4m and 10m lengths.

Modular design: Optional conversion into a separate wand system for increased flexibility.

Wide range of accessories: From roller wands to telescopic adaptors.

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Technical specifications

Compliance standards

AS 3894.2

ASTM D 5162-A

ASTM G6 / G62-A

BS 7793-2

ISO 8289-A / ISO 14654

NACE RP0188 / SP0188 / TM0384

JIS K 6766

FeatureModel 270/3Model 270/4
Voltage Options9V, 90V9V, 67.5V, 90V
Max Coating Thickness500μm (20 mils)500μm (20 mils)
Sensitivity9V: 90kΩ ±5% 90V: 400kΩ ±5%9V: 90kΩ ±5% 67.5V: 125kΩ ±5% 90V: 400kΩ ±5%
Battery Life (Continuous Use)9V: up to 200 hrs 90V: up to 80 hrs9V: up to 200 hrs 67.5V: up to 100 hrs 90V: up to 80 hrs
Battery Type3 x AA (rechargeables compatible)3 x AA (rechargeables compatible)
Accuracy±5%±5%
Dimensions (without wand)210 x 42 x 37 mm210 x 42 x 37 mm
Weight610g (including wand & batteries)610g (including wand & batteries)

Why choose Elcometer 270?

  • High accuracy with multiple voltage options
  • Non-destructive inspection – ideal for sensitive coatings
  • Compact, portable, and user-friendly
  • Full accessory range for any application
  • Built to comply with international coating inspection standards

Optional accessories

Roller wand & spare sponges: Ideal for inspecting large, flat surfaces

Telescopic wand adaptor: For floors or high-reach applications (extends to 1m)

Extension rods: 420mm sections to increase reach

10m return cable: For extended range inspections

Wetting agent: Enhances sponge conductivity for faster pinhole detection

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