Adhesion Tester 20 mm Dolly Adhesion Strength Range 0 To 3000 Psi 0 To 20 Mpa 50 mm Dolly Adhesion Strength Range 0 To 500 Psi 0 To 3.5 Mpa Adhesion Strength Accuracy +/-1% Adhesion Strength Resolution 1 Psi 0.01MPa Display 4 segment LCD Interface USB Recording Capacity 200 Tests Standards ASTM D4541 ISO 4642 Includes (20) 20 mm Dollies Abrasive Pad Cutting Tool Adhesive Mixing Sticks Mixing Palettes And Cotton Swabs 2 AA Batteries Video Carrying Case Instructions