The HRMS-45 digital surface Rockwell hardness tester has a novel large screen display, menu style structure, good reliability, operability, and intuitiveness, which has won the attention of many foreign large enterprises Detailed introduction of HRMS-45 digital surface Rockwell hardness tester. The HRMS-45 digital surface Rockwell hardness tester has a novel large screen display, menu style structure, good reliability, operability and intuitiveness, and has won the attention of many foreign large enterprises It has the following typical functions: 1. Selection of Rockwell hardness scale 2. Conversion of hardness between different hardness levels 3. Printing and output of hardness test results 4. RS232 super terminal settings Scope of application: The digital surface Rockwell hardness tester is suitable for surface Rockwell hardness testing of black metals, non-ferrous metals, hard alloys, carburizing and nitriding layers, chemical treatment layers, thin parts, surface quenched steel, material surface heat treatment, copper, aluminum alloy and other thin plates, galvanized, chrome plated, tin plated materials, bearing steel, cold hard castings, etc. Main technical parameters: Surface Rockwell scale: HR15N, HR30N, HR45N, HR15T, HR30T, HR45T Initial test force (N): 29.42 (3kg) Total test force (N): 147.1 (15kg), 294.2 (30kg), 441.3 (45kg) Conversion scale: Surface Rockwell, Brinell, Vickers hardness values Reading method: Large screen digital display Data output: Built in printer and RS232 interface Holding time: 0~60S Test piece allows high height: 170mm Head center to body distance: 165mm Digital surface Rockwell hardness tester Dimensions (mm): 520 × 240 × 720 Power supply voltage: AC220V ± 5%, 50~60Hz digital surface Rockwell hardness tester Weight (kg): about 80 Hardness value range: HR15N：70～91HR30N：42～80HR45N：20～70HR15T：73～93HR30T：43～82HR45T：12～72 Execution standard: GB/T230.2 standard; JJG112 Verification Regulations Standard Accessories (Attachment): Diamond Rockwell indenter, 1.5875mm straight diameter hard alloy ball indenter large flat test bench, medium flat test bench, "V" type test bench, HR15N, HR30N, HR30T hardness block RS232 communication line power cord