DeFelsko PosiTest AT-A Automatic Adhesion Tester
The PosiTest AT-A is an automatic pull-off adhesion tester that applies smooth, constant pressure via an electronically controlled hydraulic pump. With a color touchscreen, built-in Li-ion battery (250+ tests per charge), and USB-C connectivity, it delivers reliable, hands-free coating adhesion testing across substrates.
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Designed for ease and precision, the AT-A automatically handles the pull process and records detailed pressure vs. time profiles. It supports multiple dolly sizes, self-aligning coupling, and meets IP65 ruggedness. The internal memory supports up to 100,000 tests.
DeFelsko PosiTest AT-A Automatic Adhesion Tester
The automatic configuration of PosiTest AT-A reduces user error by managing pull rate, limit, and hold time. It is sealed, battery powered, and delivers fully traceable calibration to ±1%. It suits field or lab work for testing coatings on metal, concrete, or wood.
Features
Overview
| Specification | Detail |
|---|---|
| Model | PosiTest AT-A (Automatic) |
| Accuracy | ±1% full scale, calibrated to NIST traceable standards |
| Range (Typical Dolly Sizes) | – 20 mm: up to 24 MPa / 3,500 psi – 50 mm: up to 3.8 MPa / 560 psi – Tile / C1583 variants available |
| Resolution | 0.01 MPa (1 psi) |
| Dolly / Stand-Off Options | 10 mm, 14 mm, 20 mm, 50 mm, 50×50 mm tile, 50 mm C1583 |
| Memory | Up to 100,000 pull tests in up to 1,000 batches |
| Power / Battery | Built-in Li-ion battery, >250 tests per charge |
| Connectivity | USB-C (charge & data), Bluetooth / WiFi support via PosiSoft / PosiTector ecosystem |
| Enclosure / Protection | IP65 rated: weatherproof, dustproof, shockproof |
| Standards Compliance | ASTM C1583, D4541, D7234, D7522; ISO 4624, 16276-1; EN 1542, 12004-2, and more |
