Manual Rockwell Hardness Tester HST-HR150A Head Center to Machine Wall Distance 135mm High Quality for Test

2.Specifications
Item | HST-HR150A |
Test force | 60、100、150kgf |
588.4、980.7、1471N | |
Measuring range | 20-95HRA,10-100HRBW,20-70HRC; |
Maximum height is allowed for the specimen | 170mm |
Head center to machine wall distance | 135mm |
Hardness resolution | 0.5HR |
Power supply | AC220V,50Hz |
Outline dimension | 470*210*620mm |
Package size | 565*415*730mm |
Net weight | 75kg |
Gross weight | 82kg |

Product Features:
* Good economy and practicality; the dial directly read the hardness value, and optional Roche other scale, such as HRD, HRF and other hardness scale
* Using integrated casting precision hydraulic buffer, no buffer leakage, and smooth loading, no impact, adjustable speed
* The accuracy meets the GB/T230.2-2018, ISO6508-2 and US ASTM E18 standards
Scale,Indenter, Test Force and Application Field of the Rockwell Test
Scale | Type of Indenter | Initial Test Force | Total Test Force (N) | Application Field |
HRA | Diamond indenter Ball indenter | 98.07N(10kg) | 588.4(60kg) | Hard Alloys, Tempered steel with carbonized surface, Hardened Steel Plates |
HRD | 980.7(100kg) | Thin steel plates, steel with tempered surface | ||
HRC | 1471(150kg) | Quenched steel, tempered steel, hard cast iron | ||
HRF | φ1.5875m (1/ 16inches) | 588.4(60kg) | Cast iron, aluminum-magnesium alloy, bearing alloy, annealed copper alloy, thin and soft steel plate | |
HRB | 980.7(100kg) | Soft steel, aluminum alloy, copper alloy, forgeable cast iron, annealed steel | ||
HRG | 1471(150kg) | Phosphorus bronze, beryllium bronze, forgeable cast iron | ||
HRH | Ball indenter φ3. 175mm (1/8 inches) | 588.4(60kg) | Aluminum, Zinc, Lead | |
HRE | 980.7(100kg) | Bearing alloy, tin, hard plastic materials | ||
HRK | 1471(150kg) |







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