Mitutoyo Surface Roughness EXTRA Small Hole Detector - Low Force The Standard Detector for the Mitutoyo Surface Roughness Tester models SJ-210 & SJ-310 has a measuring tip that is about 6mm overall height. To be able to measure the surface roughness of a small hole that has a minimum diameter of 2.8mm, Mitutoyo recommends using the Small Hole Detector for the Mitutoyo Surtest models SJ-210 & SJ-310. The Mitutoyo Surface Roughness Tester models SJ-210 & SJ-310 are both available in 2 different models, the Standard Force model and the Low Force model. The Standard Force model uses 4 mN measuring force during the measurement. The Low Force model uses 0.75 mN measuring force during the measurement. This Extra Small Hole Detector is designed to be used with the Low Force models of the SJ-210 & SJ310. Features include... Small Hole Detector for Mitutoyo Surftest Models... SJ-210 SJ-310 0.75mN Measuring Force Stylus Profile: 2umR Tip Radius 60° Tip Angle 2.8mm Minimum Measurable Hole Diameter
