HBRV-187.5 Universal Hardness Tester
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Hardness Testing Machine
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HBRV-187.5 universal hardness tester is a multifunctional testing machine, covering Brinell, Vickers and Rockwell testing methods. With 7 level of test forces, this testing machine has the capacity to satisfy different hardness testing requirements. After manual loading of pre-load test force, the loading, dwell and unloading of the total test force are automatically completed.
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Applications
HBRV-187.5 Universal hardness testing machine is useful for hardened and surface hardened steel, hard alloy steel, castings, non-ferrous metals, and various kinds of temperred and annealed steel, hardened sheet steel, soft metals, surface heat treated and chemical treated materials etc.
Technical Data
- Rockwell test force: 60kgf (588.4N), 100kgf (980.7N), 150kgf (1471N)
- Brinell test force: 30kgf (294.2N), 31.25kgf (306.5N), 62.5kgf (612.9N), 100kgf (980.7N), 187.5kgf (1839N)
- Vickers test force: 30kgf (294.2N), 100kgf (980.7N)
- Indenter: diamond Rockwell/Vickers indenter, Φ1.588mm, Φ2.5mm andΦ5mm tungsten carbide ball indenter
- Hardness reading: Rockwell: dial, Brinell, Vickers: check hardness table
- Magnification: Brinell: 37.5×, Vickers: 75×
- Min. measuring unit: Brinell: 4μm, Vickers: 2μm
- Hardness resolution: Rockwell: 0.5HR, Brinell, Vickers: check hardness table
- Dwell time: 2~60s
- Max. sample height: Rockwell: 185 mm, Brinell: 100 mm, Vickers: 115mm
- Throat depth: 165mm
- Execute standard: ISO 6508，ASTM E18，JIS Z2245，GB/T 230.2
- ISO 6506，ASTM E10，JIS Z2243，GB/T 231.2
- ISO 6507，ASTM E92，JIS Z2244，GB/T 4340.2
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