Surface hardened steel, material surface heat treatment and chemical treatment, thin plates of copper and aluminum alloys, galvanized, chrome-plated, tin-plated materials, bearing steel, chilled castings, etc.
Surface Rockwell scales: HR15N, HR30N, HR45N, HR15T, HR30T, HR45T
Initial test force: 29.42N (3Kg)
Test force: 147.1N (15Kg), 294.2N (30Kg), 441.3N (45Kg)
Conversion scales: Surface Rockwell, Brinell, Vickers
Hardness reading: Large screen digital display
Data Output: Built-in printer and RS-232 interface
Dwell time: 0~60S
Maximum sample height: 170mm
Instrument dimensions: 520×240×720mm (L×W×H)
Instrument weight: Approx. 80kg
Power supply: AC220V±5%, 50~60Hz
Complies with national standard GB/T230.2 and verification regulation JJG112
Standard accessories: Diamond Rockwell indenter, 1.5875mm diameter carbide ball indenter, large flat test anvil, medium flat test anvil, "V" type test anvil, HR30N and HR30T hardness blocks, RS-232 communication cable, power cord 
