Our company supply HRS-150 hardness testing machine Max height of specimen:170mm Duration time: 0-60s ... .,Ltd, is a manufacturer on analysis instruments.HRS-150 Hardness testing machineProduct detailsThe hardness tester is a semi-automatic hardness measuring ... ,HRC,HRD,HRE,HRF,HRG,HRH,HRK2. Initial Testing Force: 10Kg(98.07N)3.Testing Force: 60Kg(588N),100Kg(980N),150Kg(1471N ...