|   Measuring    range  | 
                          20-88HRA,    20-100HRB, 20-70HRC  | 
                       
                      
                        |   Test    force  | 
                          10kgf    preload   | 
                       
                      
                        |   60,    100, 150kgf total load  | 
                       
                      
                        |   Display  | 
                          dial    indicator  | 
                       
                      
                        |   Load    control  | 
                          automatic(loading/dwell/unloading)  | 
                       
                      
                        |   Hardness    resolution  | 
                          0.5    of Rockwell unit  | 
                       
                      
                        |   Max.    test height  | 
                          170mm/6.7''   | 
                       
                      
                        |   Max.    throat  | 
                          165mm/6.5''   | 
                       
                      
                        |   Power    supply  | 
                          AC    220V 50Hz(standard)  | 
                       
                      
                        |   AC    110V 60Hz(option)  | 
                       
                      
                        |   Dimension  | 
                          520¡Á240¡Á700mm  | 
                       
                      
                        |   Weight  | 
                          80kg/176lbs   | 
                       
                      |