Máy đo độ cứng cầm tay Fowler Rangemaster Portable Hardness Tester 54-760-000-0
The Rangemaster includes five international hardness scales as standard
Hardness Scales Testing Range Resolution
Vickers Pyramid# 35 -1000 1
Brinell 100 - 500 1
Rockwell B 30 - 100 0.1
Rockwell C 20 - 70 0.1
Tensile Strength 255 - 1999N/mm2 1