Adhesion Test Setup and Validity

Checkline Europe's Technical Support 17 Jul 2026

With pull-off adhesion testing, the instrument is only half the decision — on brittle, multilayer or concrete-backed coatings, how the test is set up and validated drives the result more than the tester does. This guide starts from that risk: where setup control, repeatability and verification matter most it points to the digital route and the checks that keep a result defensible, rather than simply the lowest-cost tester.

1. How to Choose

Start by deciding whether the main risk is instrument choice or test validity. If the coating, substrate, cure conditions or reporting requirements are demanding, the better buying decision is often the setup that supports cleaner control and verification rather than simply the lowest-cost tester.

2. Standard Pull-off Testing

Choose this route when the main need is routine field or shop-floor adhesion measurement with straightforward reporting.

PosiTest Adhesion Tester is a practical fit for pull-off testing without the added control of an automatic system.

3. Higher-control Digital Testing

Choose the digital route when repeatability, reporting confidence or standards-driven verification matter more.

PosiTest AT-A is the stronger fit when you need a more capable digital pull-off system.
PosiTest AT Verifier is worth adding when verification of the test chain matters.

4. Which Option Fits Your Work

Routine adhesion checks with a simpler setup — start with PosiTest Adhesion Tester.
Higher reporting confidence and stronger digital control — move to PosiTest AT-A.
Need verification support and confidence checks — include PosiTest AT Verifier.
Need to compare the wider range first — review Adhesion Testers.

5. Next Step

If setup control is still the main uncertainty, read the related knowledge pages below before choosing the tester package. If the direction is already clear, continue to the tester and accessory links above.