Profile: Larson Systems, Inc. specializes in providing testing products. Our products include manual force/length testers, mortorized force/length testers, torsion spring testers, spring gages, torque wrench calibration, fore calibartion equipment, force gages and tachometers. Electronic compression testers has a two-line backlit LCD display of force & length and has deflection compensation for accurate readings at all times. It has a rugged cast-aluminum & steel frame, precision rack & pinion drive with adjustments for wear and convenient hand operation to apply force & adjust length. It includes standard length lock and mechanical overload stops to protect the tester from damage. Torsion spring tester is a manually operated torque / angle tester that is available in a variety of force ranges. The solid steel base and aluminum frame is rugged for durability in many different testing environments.