Stiffness test set Taber Industries
115/230V, 60/50Hz

The Taber V-5 Stiffness Tester incorporates a precision pendulum weighing system to measure the stiffness, rigidity (resistance to bending) and resiliency of flexible materials. Nine (9) distinct ranges permit testing of materials that are extremely lightweight and flexible to items that are very rigid. The instrument outputs the moment load applied to the test specimen in TABER Stiffness Units (g • cm). Test specimens are mounted on the Stiffness Tester using the specimen clamp. Located on the pendulum, the lower faces of the specimen clamp jaws are exactly on the center of rotation to ensure a constant test length and deflection angle. Force is applied to the lower end of the specimen by a pair of rollers, which are attached to a driving disc located directly behind the pendulum. As the driving disc rotates, the rollers push against the test specimen and deflect it from its vertical position. In response, the pendulum applies increasing torque to the specimen as it deflects further from its original position. The test point reading occurs when the pendulum mark aligns with the appropriate driving disc mark (7 ½° or 15°), which points to the stiffness reading on the dial plate. Available as a basic unit (Model 150-B) or automatic tester (Model 150-E).

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