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Inspection Instruments » Adhesion Testing
PosiTest AT

Pull-off Adhesion Testers

  • Digital device designed to measure substrate adhesion or to indicate the tear strength of coatings for metal, wood, concrete and other rigid substrates.
  • Complies to international standards such as ISO 4624/16276-1, ASTM C1583/D4541/D7234/D7522, AS/NZS 1580.408.5, EN 1542/12004-2 and others.


  • Choose from 4 Stand-offs - 20 mm, 50x50 mm Tile, 50 mm and 50 mm C1583.
  • Environmentally sealed enclosure (match or exceeds IP65): dustproof, weatherproof and shockproof.
  • Inexpensive, single-use dollies eliminate cleaning for reuse and can be stored as a long-lasting record.
  • Self-aligning aluminum dolly facilitates accurate measurements on uniform or irregular surfaces.
  • 50, 20, 14 or 10 mm dollies maximize the measurement resolution and capacity over a wide range of bond strengths.
  • Certified and calibrated to ± 1% accuracy using a NIST traceable load cell.
  • Certificate of Calibration showing traceability to NIST included (Long Form).


How to Measure Adhesion Using the PosiTest AT Adhesion Tester

PosiTest AT Self-Alignment Feature

PosiTest AT-A - Automatic Adhesion Tester