Impact Hardness Tester (640 Series)

Portable impact hardness tester. Large screen with color display allows for clear display of all functions and parameters. Hardness test can be taken at any angle including inverted. A wide measuring range supports the hardness of all metallic materials; results are directly displayed in HRB, HRC, HV, HB, HS, HL hardness scales. Six impact devices are available for special applications with automatic impact device recognition. Diameter of carbide ball: 3 mm. Large capacity memory storage of 500 sub groups; stored information includes single measured value, mean value, test data, impact direction, impact times, material and hardness scale. Supports two languages display, English and Chinese. Upper and lower limit can be preset; an audio alarm will automatically sound when the reading is outside of the preset limits. Battery voltage information is displayed including the charge status. Calibration function is available. USB 1.1 port allows for information to be uploaded directly to computer. High speed thermal printer allows for the readings to be immediately printed. 6V Ni-MH rechargeable battery are supplied; up to 150 hours of continuous operation between charges (backlight off and no printing). Automatic power off after five minutes.