Hydraulic Adhesion Tester (U.S.A.) HYDRAULIC ADHESION TESTER (U.S.A.) Make Digital Pull off Tester Portable checking adhesion of Paint Exproxy Coating on metals as per ASTM D4541 with spare Dollies Range 0 to 3.5MPS (0-500 Psi). Also for checking adhesion on wood and concrete with special dollies. Contact Us Enquire Now