The membrane adhesion adapter is designed to check the adhesion of a membrane to the substrate in the field.
It is designed around ASTM D4541, "Standard test method for pull-off strength of coanting using portable adhesion testers". This test is also on Dade County PA-124 Bond pull test but utilizing a smaller sample, 2,25 square inches. The LFM400R is a sturdy, thicker fixture that can be ground flat and reused.

A lifter foot LFS0250 is required to fix the membrane on your pull tester. This lifter foot is not provided with the pack, you must buy it separately.