DeFelsko PosiTest AT-M Manual Adhesion Testers: 4 Models Available
The PosiTest AT-M Manual Adhesion Tester has been updated with a new high-contrast, easy-to-read color display, a redesigned keypad, and field replaceable AAA alkaline batteries which provide up to 16 hours of testing. For easy setup and confirmation, the updated user interface shows important pull parameters before, during, and after the test.
![]() |
![]() |
![]() |
![]() |
DeFelsko PosiTest ATM20 Pull-off Adhesion Testers |
DeFelsko PosiTest ATM50 Pull-off Adhesion Testers |
DeFelsko PosiTest ATM50T Pull-off Adhesion Testers |
DeFelsko PosiTest ATM50C Pull-off Adhesion Testers |
DOLLY SIZE & STANDOFF* | DOLLY SIZE & STANDOFF* | DOLLY SIZE & STANDOFF* | DOLLY SIZE & STANDOFF* |
20 mm | 50 mm | 50 X 50 mm | 50 mm |
TYPICAL APPLICATIONS |
TYPICAL APPLICATIONS | TYPICAL APPLICATIONS | TYPICAL APPLICATIONS |
Higher bond strength coatings on metals | Lower bond strength coatings on wood, concrete and plastic | Cementitious adhesives for tiles | Concrete surfaces and overlays |
RANGE | RANGE | RANGE | RANGE |
0.7 - 20 MPa 100 - 3000 psi |
0.4 - 3.5 MPa 50 - 480 psi |
0.4 - 2.585 MPa 50 - 375 psi |
0.4 - 3.5 MPa 50 - 480 psi |
RESOLUTION | RESOLUTION | RESOLUTION | RESOLUTION |
0.01 MPa (1 psi) | 0.01 MPa (1 psi) | 0.01 MPa (1 psi) | 0.01 MPa (1 psi) |
ACCURACY | ACCURACY | ACCURACY | ACCURACY |
±1% Full Scale | ±1% Full Scale | ±1% Full Scale | ±1% Full Scale |
INCLUDES DOLLIES | INCLUDES DOLLIES | INCLUDES DOLLIES | INCLUDES DOLLIES |
Ø20 mm (qty 20) Aluminum | Ø50 mm (qty 8) Aluminum | 50x50 mm Plate (qty 4) with threaded post Steel | Ø50 mm (qty 4) with ≥ 25 mm thickness Steel |
CUTTING TOOL | CUTTING TOOL | CUTTING TOOL | CUTTING TOOL |
20 mm hole saw | 50 mm hole saw | ----- | 50 mm diamond grit hole saw with arbor |
* 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).
DeFelsko PosiTest AT-A Automatic Adhesion Testers: 4 Models Available
![]() |
![]() |
![]() |
![]() |
DeFelsko PosiTest ATA20 Pull-off Adhesion Testers |
DeFelsko PosiTest ATA50 Pull-off Adhesion Testers |
DeFelsko PosiTest ATA50T Pull-off Adhesion Testers |
DeFelsko PosiTest ATA50C Pull-off Adhesion Testers |
DOLLY SIZE & STANDOFF | DOLLY SIZE & STANDOFF | DOLLY SIZE & STANDOFF | DOLLY SIZE & STANDOFF |
20 mm | 50 mm | 50 X 50 mm | 50 mm |
DOLLY SIZE & STANDOFF | DOLLY SIZE & STANDOFF | DOLLY SIZE & STANDOFF | DOLLY SIZE & STANDOFF |
Coatings on Metal | Coatings on Concrete, Wood and Plastic | Tile Adhesion Strength Conforms to BS EN 12004-2 |
Concrete Surfaces and Overlays Conforms to ASTM C1583 |
RANGE | RANGE | RANGE | RANGE |
0.7 - 24 MPa 100 - 3500 psi 100 - 7550 N |
0.4 - 3.8 MPa 50 - 560 psi 100 - 7550 N |
0.4 - 3.033 MPa 50 - 440 psi 100 - 7550 N |
0.4 - 3.8 MPa 50 - 560 psi 100 - 7550 N |
RESOLUTION | RESOLUTION | RESOLUTION | RESOLUTION |
0.01 MPa (1 psi) | 0.01 MPa (1 psi) | 0.01 MPa (1 psi) | 0.01 MPa (1 psi) |
ACCURACY | ACCURACY | ACCURACY | ACCURACY |
±1% Full Scale | ±1% Full Scale | ±1% Full Scale | ±1% Full Scale |
INCLUDES DOLLIES | INCLUDES DOLLIES | INCLUDES DOLLIES | INCLUDES DOLLIES |
Ø20 mm (qty 20) Aluminum | Ø50 mm (qty 8) Aluminum | 50x50 mm Plate (qty 4) with threaded post Steel | Ø50 mm (qty 4) with ≥ 25 mm thickness Steel |
CUTTING TOOL | CUTTING TOOL | CUTTING TOOL | CUTTING TOOL |
20 mm hole saw | 50 mm hole saw | ----- | 50 mm diamond grit hole saw with arbor |
* 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).
DeFelsko PosiTest AT Adhesion Testers Videos
![]() |
![]() |
![]() |
Four FREE and unique ways to view and report your PosiTector and PosiTest data. Learn More
|
![]() |
Accessories for DeFelsko Inspection Instruments - Online Catalog