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        | TH300 Rockwell Type Hardness Tester Main Characteristic 
Having horizontal "convex nose" structure 
Tests on difficult to approach area 
Tests internal surfaces of ring parts from 23mm diameter 
Tests external surfaces of parts in form of round bars down to 3m diameter 
Automatic test process 
Simply and easy selectable operation menu 
Clear matrix backlit LCD 
RS-232 data output  Technical Specifications 
| Hardness parameters | Rockwell A,B,C,D,E,F,G,H,K,L,M,P,R,S&V |  
| Hardness resolution | 0.1 of a Rockwell unit |  
| Pre-load | 10kgf (98.7N) |  
| Total load | 60kgf (588.4N),100kgf (980.7N), 150kgf (1471N) |  
| Display | Matrix backlit LCD |  
| Languages in the menu | English, German, French |  
| Data entry | Membrane kaypad, menu driven |  
| Test process | Automatic |  
| Load duration | 1-50 seconds, can be set or stored |  
| Data output | RS232 serial port for printer/computer |  
| Menu features | 
Hardness tolerance setting (upper and lower limits)            
Conversions: Vickers, Brinell, Rockwell superfical, UTS                        
Statistical data: X-bar, s, max, min 
Automatic curvature correction for cylindrical and spherical surfaces  |  
| Application standard | JB/T 74009-94,            ISO6508 |  
| Specimen accommodation | 
Vertical space 250mm(10") 
Horizontal space (from center-line) 150mm(6")  |  
| Specimen access | 
External surfaces 
Cylindrical surfaces down to 3mm diameter 
Internal surfaces from 23mm diameter  |  
| Power supply | 220V/110V, 50Hz, 4A |  
| Dimensions | Width 225mm, Depth 715mm, Height 790mm |  
| Net weight | 120kg |  |  |  |  |  |  
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