1.便携式压痕硬度计ASTM B648 3。测试范围:0 ~ 100 hba (25 ~ 150 hbw) 4。HB、HR、HV、HW单手操作;不需要操作经验;可在任何地点测试任何工件。有效测试范围宽,相当于布氏硬度25-150 HBW。用于测试各种铝的硬度,从非常软的铝到非常硬的铝合金。扩展应用程序。934-1型适用于铝、铝合金、铜、铜合金、纤维增强塑料、硬质塑料等的硬度测试。 The improved model of it is available to test very soft metals such as lead and tin and other soft materials such as soft plastics, rubber, felt and leather etc. High sensitivity. Featured with 100 scales, much more sensitive than Webster hardness testers applied in aluminum alloys industry. No supporting required. Can test from only one side of the workpiece. No need to move or support the workpiece. Used to test super large and thick worpieces and assembly parts. Easy conversion. The test results can be converted to HB, HR, HV and HW easily through conversion table.