該儀器具有多種試驗力和多種壓頭，用于測定金屬材料或試件的布氏、洛氏、維氏硬度。適用于黑色金屬（鋼材、鑄鐵件、軟鋼、淬火鋼等）和有色金屬（鋁合金、銅合金等）的硬度測定，并可測定硬質合金、滲碳層和化學處理層的硬度。                   

    HBRV(D)－187.5A1型布洛維硬度計采用了旋轉式試驗力變換機構和光學測量系統，在機體上裝有 顯微鏡測量裝置。使用方便，變荷可靠，示值穩定，廣泛適用于工廠車間、試驗室、大專院校和科研機構。      

    The instrument has a variety of tests and a variety of indenter for the determination of metal materials or samples of Brinell, Rockwell, Vickers hardness. Apply to black metal (steel, cast iron, mild steel, hardened steel, etc.) and non-ferrous metals (aluminum, copper alloys, etc.) the determination of hardness and determination of hard alloy, chemical processing and Carburizationlevel hardness.

    HBRVD-187.5A1 Brinell Rockwell &Vickers Hardness Tester using rotary power conversion and   optical measuring system in the body microscope equipped with measuring devices. Easy to use, reliable and the load changed, showing the value of stability, applicable to the wide range of factory workshops, laboratories , Tertiary institutions and research institutes.

主要技術參數	Main technical parameters
初試驗力(N)：98	Preliminary test force(N)：98
總試驗力	Total test force
維氏硬度試驗(N)：294、588、980	Vickers hardness test(N)：294、588、980
洛氏硬度試驗（N）：588、980、1471	Rockwell hardness test(N):588、980、1471
布氏硬度試驗(N)：306、613、1839	Brinell Hardness test(N):306、613、1839
顯微鏡放大倍率：37.5×、75×	magnification of microscope：37.5×、75×
測微鼓輪ZUI小分度值:	Measure tiny drum wheel minimum scale division value：
37.5×時為0.004毫米	0.004mm for 37.5×
75×時為0.002毫米	0.002mm for 75×
試件允許ZUI大高度(mm)：170	Max height of speciments(mm)：170
壓頭中心到機身距離(mm)：140	Distance from indeneter, s center to outerwall(mm)：140
硬度計外形尺寸(mm)：463×241×660	Machine size(mm)：463×241×660
電源電壓：AC220V	Power supply：AC220V
光源電壓:5V/5W	Light voltage:5V/5W
儀器重量(kg)：75	Weight(kg)：75
硬度測試范圍	Degree of hardness test seope
洛氏硬度試驗	Rockwell hardness test
(70-85)HRA	(70-85)HRA
(30-100)HRB	(30-100)HRB
(20-67)HRC	(20-67)HRC
示值精度：±1HR 示值重復性:0.8HR	Show value   accuracy：±1HR   repeatability：0.8HR
布氏硬度試驗	Vickers Hardness test
(8-650)HB	(8-650)HB
示值精度(δ/％):±2.5   示值重復性(Hcf/％):≤3.0	Show value   accuracy(δ/％):±2.5   repeatability(Hcf/％):≤3.0
維氏硬度試驗	Vickers hardness test
(14-1000)HV	(14-1000)HV
示值精度(δ/％):±2   示值重復性(Hcf/％):≤2.5	Show value   accuracy(δ/％):±2   repeatability(Hcf/％):≤2.5