TH720/721 is a powerful digital vickers hardness testing machine with closed-loop control system. The measurement is extremely easy and accurate.
● New high-tech product with precise mechanical and photoelectrical technology
● Equipped with a digital microscope and cold light source, it shows the measuring method, test force, indentation length, hardness value, dwell time and the times of measurement.
● Especially suitable for testing the hardness of small, thin and fragile material specimen.
● Closed-loop control system: CPU control test force to load, dwell and unload, with high accurate pressure transducer sense feedback, the loss of test force automatically compensated.
|Standard Delivery||Optional Accessory|
|Largest testing table||1||CCD measuring device|
|V shape testing table||1||Knoop indenter (for TH720)|
|Horizontal regulating screws||4|
|10× digital micro lens||1|
|Vickers hardness blocks||2|
|Repair fuses (1A)||2|
|Testing Force||N||4.903, 9.807, 19.61, 24.52, 29.42, 49.03, 98.07, 196.1, 294.2||9.807, 19.61, 24.52, 29.42, 49.03, 98.07, 196.1, 294.2, 490.3|
|KGF||0.5, 1, 2, 2.5, 3, 5, 10, 20, 30||1, 2, 2.5, 3, 5, 10, 20, 30, 50|
|Carriage Control||Loading/ dwell/ uploading (automatic)|
|Amplification of the Microscope||100x, 200x|
|Min. Graduation Value of the Testing Drum Wheel||0.125μm|
|Lens/Indenter switch||with Hand Turret|
|Max. height of the specimen (mm)||180|
|Max. width of the specimen (mm)||130|
|Light Source||Cold light source|
|Power Supply||110V/220V, 60/50Hz|