b'Perform one- and two-point testing to calculate spring constant and spring rate. Calculate free length and initial tension results for compression or extension springs.Load measurement accuracies to better than 0.1% are achieved using our IEEE 1451.4 compliant load cell sensors.Capacities range from 1N to 50kN (100 gf to 11,250 lbf).oftwareAn automatic datuming feature helps to ensure accurate height/extension/elongation measurements.Heights can be measured to 0.001 inch (0.025 mm).SThe deflection compensation feature is ideal for compressive testing wheremechanicaldeflectioncanadverselyeffectmeasurement accuracy and repeatability.Starrettoffersacompleterangeoftesting fixtures including hooks to specialized platens thatensureproperspringalignmentand parallelism during full load testing. starrett.com 53'