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PosiTest AT-A PosiTest - Automatic Adhesion Tester

Made in the USAThe new AT-A Automatic Adhesion Tester measures adhesion of coatings to metal, wood, concrete and other rigid substrates and now features a new electronically controlled hydraulic pump.


  • Portable, hand-operated instrument requires no external power source – ideal for lab and field use.
  • Large, easy-to-read LCD
  • Pull Rate Indicator – allows operator to easily monitor and adjust the rate of pull in accordance with international test methods.
  • Easily select dolly sizes, change measurement units or store readings, with the touch of a button
  • Conversion charts not required – tester automatically calculates pressure based on dolly size
  • Inexpensive, single-use dollies eliminate cleaning re-use and can be kept as a permanent record
  • Each kit comes with everything needed for testing


  • Weatherproof, dustproof and shockproof
  • Quality hydraulic pump can be used in any position
  • Rugged carrying case
  • One year warranty


  • Every AT-100 Adhesion Tester pressure system is calibrated and certified to ± 1% accuracy using an NIST traceable load cell
  • Self-aligning dolly enables accurate measurements on smooth or uneven surfaces
  • Hi-grade, industrial pressure sensor ensures continued accuracy
  • Conforms with ASTM D4541/D7234, ISO 4624, SSPC-CS 23.00/AWS C2.23/NACE No. 12, and others


  • Internal Memory stores maximum pull-off pressure, rate of pull, test duration and dolly size for up to 200 pulls
  • Optional software available for downloading to a computer
  • LCD displays pressure value in psi or MPa
  • 10, 14, 20 or 50 mm dollies maximize capability and accuracy across a wide range of bond strengths


Dolly Size Adhesion Strength
10mm 10000 psi 70 MPa
14mm 6000 psi 40 MPa
20mm* 3000 psi 20 MPa
50mm** 500 psi 3.5 MPa
* supplied with AT-A
** requires 50mm kit

  • Test with the simple push of a button. No twisting, pumping or cranking. No valves to close, needles to reset, or scales to adjust
  • New electronically controlled hydraulic pump automatically applies smooth and continuous pull-off pressure at a user-specified rate
  • Built-in rechargeable batteries perform 200+ tests per charge. Continue testing with AC power while batteries recharge. Supplied with universal AC Adapter
  • User selectable pull rates ensure compliance with international test methods for a variety of industries including metal, wood and concrete

Optional Accessories

50 mm Accessory Kit

  • Ideal for lower bond strength finishes such as coatings on wood, concrete and plastic
  • Larger surface area of test dolly provides improved low range precision and repeatability
  • Range 0 - 500 psi (0 - 3.5 MPa)
  • Includes 50 mm stand-off, 50 mm hole saw, and 50 mm test dollies (12)

Drilling Template for 50 mm Dollies

  • Drilling template and drill bits to isolate test area, ideal for thicker coatings on concrete. Includes (10) drill bits 5/32" (4 mm)
PosiSoft for Windows® analysis software
  • Ideal solution for those who wish to download to a PC for printing or archiving
  • Allows entry of notes and annotations
  • Multi-language support including English, German, Italian, Spanish and French
  • Exports to a document or spreadsheet
  • Includes USB cable for computer hook-up

Adhesive Kit

  • Additional adhesive, mixing sticks, palettes and cotton swabs
  • Additional supplies of standard 20 mm and 50 mm dollies
  • Custom 10 mm and 14 mm dollies

Related Products

PosiTest-Adhesion-Tester PosiTest Pull-Off Coating Adhesion Tester

  • Pull Rate Indicator – allows operator to easily monitor and adjust the rate of pull in accordance with international test methods.

More details

PosiTest-Adhesion-Tester PosiTest Pull-Off Coating Adhesion Tester

Complete Kit
The PosiTest AT-A adhesion tester is delivered as a complete kit including:
- PosiTest AT-A adhesion tester,
- 20 mm aluminum test dollies (20),
- abrasive pad,
- cutting tool,
- adhesive with mixing sticks and palettes,
- cotton swaps,
- batteries,
- instruction booklet,
- certificate of calibration traceable to NIST,
- instructional video,
- supplied in a sturdy, lightweight carrying case.

Buy Now

Product name
PosiTest-AT-A-20-EU - with stand-off, cutting tool and 20mm dollies for coatings
£ 2.089,00 
PosiTest-AT-A-50-EU - with stand-off, cutting tool and 50mm dollies for coatings
£ 2.089,00 

Product name
PT-AT-50-KIT - Includes 50 mm stand-off, holesaw and 12 test dollies
£ 231,00 
PT-AT-20 - Package of 10 additional 20 mm dollies
£ 24,00 
PT-AT-50 - Package of 4 additional 50 mm dollies
£ 38,00 
PT-ADHESIVE - Additional Adhesive Kit
£ 34,00 
PT-TEMPLATE - Drilling Template for 50 mm Dollies
£ 116,00 
PosiSoft - Free PosiSoft Analysis Software
£ 2,00 
PT-AT-10 - Package of 10 additional 10 mm dollies
£ 38,00 
PT-AT-14 - Package of 10 additional 14 mm dollies
£ 38,00 
PT-AT-14-XL - Package of 100 additional 14 mm dollies
£ 323,00 
PT-AT-20-XL - Package of 100 additional 20 mm dollies
£ 208,00 
AT50TKIT - 50 mm x 50 mm Tile Conversion Kit
£ 364,00 
All mentioned prices are excluding VAT & excluding shipment costs.
Availability : Available , preorder 1-2 weeks , special order, request

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