PosiTest AT-M Manual Adhesion Tester

The PosiTest AT-A Manual Adhesion Tester by DeFelsko Measures the force required to pull a specified test diameter of coating away from its substrate using hydraulic pressure.
Manual Adhesion Tester AT-M


  • Manual hydraulic pump designed to apply smooth and continuous pressure with a single stroke
  • Pull Rate Indicator to manually monitor and adjust the rate of pull
  • Environmentally sealed enclosure – weatherproof, dustproof and shockproof – meets or exceeds IP65
  • Self-aligning aluminum dolly enables accurate measurements on smooth or uneven surfaces
  • 10, 14, 20 or 50 mm dollies maximize capability and measurement resolution across a wide range of bond strengths
  • Every PosiTest Adhesion Tester pressure system is calibrated and certified to ± 1% accuracy using a NIST traceable load cell
  • Internal memory stores maximum pull-off pressure, pull rate, test duration and dolly size for up to 200 pulls
  • Compatible with PosiSoft desktop software for viewing, printing and storing measurement data
  • Conforms to international standards including ASTM D4541/D7234, ISO 4624/16276-1, AS/NZS 1580.408.5 and others

Adhesion testers include everything needed for testing: dollies, abrasive pad, cutting tool, glue with mixing sticks and palettes, cotton swabs, USB cable, PosiSoft Software, instruction booklet and video, Certificate of Calibration traceable to NIST, 2 year warranty, and a sturdy, lightweight carrying case

* Optional 20mm/50mm/50 mm C1583/50 mm Tile Conversion Kits allow each model to be used with alternative dolly sizes. Custom 10 and 14 mm dollies are available for special applications (compatible with 20 mm stand off).

Conforms to international standards including ASTM C1583/D4541/D7234/D7522, ISO 4624/16276-1, BS EN 12004-2, AS/NZS 1580.408.5 and others

4 Manual Models Available 

Manual Models
LCD Display

With an environmentally sealed, metal enclosure, heavy duty hydraulic pump and a hi-grade industrial pressure sensor, both the Manual and Automatic PosiTest AT are built to last and can be used indoors and outdoors in all types of weather.

PosiTest AT-M


Find useful instruction manuals and quick guides for the PosiTest AT-M Manual Adhesion Tester



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Manual Adhesion Tester

PosiSoft Software

Learn about the DeFelsko PosiSoft software to assist with your Adhesion Tester gauge



All the useful accessories to accompany your PosiTest Adhesion Tester can be found here.

Adhesion Tester Pricing

Price: £1,485 + VAT

Hire Available

The PosiTest AT-M Manual Adhesion Tester is available to hire. Please get in touch for more info.

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