... (s) Used Condition Tensile tester HANDPI 1 3.0 Acceptable Rockwell hardness tester HR-150A 1 2.0 Acceptable Rubber hardness tester SHUANGLIN 1 2.0 ... test instrument 2671A-1 2 7.0 Acceptable Hydraulic test tester YSF-B, YSF-Q, YFC-100D 11 7.0 Acceptable ...