... )Insulation tube sizeLength(m)1HP6.35×0.759.52×0.75Φ8×8Φ12×83,4,5,7,10,15,20 ... ,30...1.5HP6.35×0.7512.7×0.75Φ8×8Φ15×83,4,5,7,10,15,20 ... ,30...2HP6.35×0.7512.7×0.75Φ8×8Φ15×83,4,5,7,10,15,20 ... (s) Used Condition X Ray Spectrum Equipment Ux-300 1 6.0 Acceptable Tachometer DT2234A 1 3.0 Acceptable Drag Tester ...