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The Positest AT-A Automatic Adhesion Tester measures the force required to pull a specified test area of coating away from a substrate using hydraulic pressure. An electronically controlled hydraulic pump automatically applies smooth and continuous pull-off pressure. The pump greatly reduces user effort and the risk of influencing the pulling process.
The AT-A's built-in rechargeable battery performs over 200 tests per charge. The supplied AC adapter / charger allows you to continue testing with AC power while the battery recharges.
The AT-A is features an environmentally sealed enclosure. It is weatherproof, dustproof and shockproof. Meeting or exceeding IP65 rating.
ATA20 for coatings on metals
Adhesion Range: 100 – 3000 psi (0.7 – 20 MPa)
Accuracy: ±1% Full Scale
Resolution: 1 psi (0.01 MPa)
ATA50 for coatings on wood, concrete and plastics
Adhesion Range: 50 – 500 psi (0.4 – 3.5 MPa)
Accuracy: ±1% Full Scale
Resolution: 1 psi (0.01 MPa)
Features:
Conforms to international standards including ASTM D4541 D7234, ISO 4624 16276-1, AS/NZS 1580.408.5 and others
10, 14, 20 or 50 mm dollies maximize capability and measurement resolution across a wide range of bond strengths
User selectable measurement units: psi (pounds per square inch), MPa (Megapascal), Nmm2 (Newtons per millimeter square) or Newton (force)
Rotating display for horizontal and vertical use
Every PosiTest Adhesion Tester pressure system is calibrated and certified to ± 1% accuracy using a NIST traceable load cell
Impact and scratch resistant color touch screen with keypad for operation with or without gloves
User adjustable pull rate, pull limit and hold time
Record the results as pass/fail and the nature of fracture - cohesive, adhesive and glue failures
Internal memory stores maximum pull-off pressure, rate of pull, test duration and dolly size for 100,000 pulls in up to 1,000 batches
What's in the Box:
(1) Adhesion Tester
(1) Built-in rechargeable NiMH battery with charger
(1) Abrasive pad
(1) Glue with mixing sticks and palettes
(1) Cotton swabs
(1) USB cable, PosiSoft Software,
(1) Instruction booklet and video
(1) Certificate of Calibration traceable to NIST
(1) Sturdy, lightweight carrying case
