DHR-45 Digital Superficial Rockwell Hardness Tester
Instruction
DHR-45 equipped with a newly-designed large displaying screen with good reliability, excellent operation. Ideal choice for testing superficial Rockwell hardness. Simple, reliable and easy to check superficial Rockwell hardness testing value. Popular in tool room, metallurgical labs.
Suitable for surface quenched steel, surface heat treating and chemical treating materials, copper alloy, aluminum alloy, sheet, zinc layers, chrome layers, tin layers, bearing steel and cold and hard casting etc.
Reliability & Repeatability
Selection of all the superficial Rockwell scales
Conversion scales of different kinds of hardness
Easy Operation and Output
LCD screen display and set test scale, force, indenter, dwell time, hardness conversion value, indenter type, etc.
Automatic calculation of maximum, minimum and average value
Test results be saved and printed out by Built-in printer. Also equipped with RS232 interface
Technical Specification
| DHR-45 | |
| Minor Load | 3 kgf (29.42 N) |
| Major Load | 15 kgf (147.1 N), 30 kgf (294.2 N), 45 kgf (441.3 N) |
| Indenter |
Diamond Rockwell Indenter, Φ1.588mmBall Indenter |
| Loading Method | Automatic (Loading/Dwell/Unloading) |
| Hardness Reading | LCD Display |
| Test Scale | HR15N, HR30N, HR45N, HR15TW, HR30TW, HR45TW, HR15W, HR30W, HR45W, HR15X, HR30X, HR45X, HR15Y, HR30Y, HR45Y |
| Conversion Scale | HV, HK, HRA, HRBW, HRC, HRD, HREW, HRFW, HRGW, HRKW, HR15N, HR30N, HR45N, HR15TW, HR30TW, HR45TW, HS, HBW |
| Data Output | Built-in Printer, RS232 Interface |
| Hardness Resolution | 0.1 HR |
| Dwell Time | 0-60 s |
| Max. Sample Height | 185 mm |
| Throat Depth | 165 mm |
| Power Supply | AC220V, 50Hz |
| Execute Standard | ISO 6508, ASTM E18, JIS Z2245, GB/T 230.2 |
| Dimension |
Machine: 520 W ×215 D ×700 H mm， Packing: 650 W ×370 D ×950 H mm |
| Weight |
Net Weight: 73kg Gross Weight: 100kg |
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