Details : Product Feature: This product in the mechanical, optical, light source on the use of unique, precise design, so that the indentation imaging more clear, more accurate measurement. The instrument adopts a closed-loop loading control system to improve the accuracy of the test force, and the repeatability and stability of the indication value are good. The new display screen LCD is used to display, and the hardness scale HV or HK can be selected on the operation panel. The tested hardness value can be converted to each other. It is equipped with two groups of objective lenses that can participate in the measurement, so that the measurement range is wider, the application range is wider, the operation is more intuitive and clearer, the test method, test force, indentation length, hardness value, test force holding time, date, time, hardness conversion value and other functions can be displayed on the screen, and it has a threaded interface for connecting digital cameras and CCD cameras, which is convenient to select computers and hardness analysis and measurement software. Application Range: Suitable for quenching, quenching and tempering, annealing, chilled castings, malleable castings, hard alloy steel, aluminum alloy, copper alloy, bearing steel and other hardness determination. Specification Test force 0.3kgf, 0.5kgf , 1Kgf, 2Kgf, 2.5Kgf, 3Kgf, 5Kgf, 10Kgf, 20Kgf, 30Kgf Hardness measurement range 5HV~3000HV Test mode HV/HK Loading method Automatic(Loading/Maintain/Unloading) Objective lens and indenter conversion Automatic Convert scale HRA、HRB、HRC、HRD、HRF、HV、HK、HBW、HBS、HR15N、HR30N、HR45N、HR15T、HR30T、HR45T Objective lens 10× (observation),20×(Measurement) Eyepiece 10× digital micrometer Dwelling time 1~60s Light source Halogen Max. height of specimen 175mm Distance from indenter to inner machine wall 125mm Max. height of specimen AC220V,50Hz Distance from indenter to inner machine wall ISO 6507,ASTM E384,JIS Z2244,GB/T 4340.2 Dimension 320*580*650mm Weight Net weight about 55kg
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