Technical indicators: 1. Measuring range : HLD (170 ~ 960) HLD 2.Measuring direction : support for vertical downward , oblique , horizontal, oblique , straight up 3.measure material : steel and cast steel, alloy tool steel , stainless steel, gray iron, ductile iron, cast aluminum, zinc alloys ( brass ) , copper-tin alloy ( bronze ) , copper , forged steel .5 hours 11.Communication interface standard : USB1.1 12. Dimensions : 211mm ¡Á 81mm ¡Á 35mm Features: 1.Based on Leeb hardness measuring principle, can detect a variety of metal materials . 2.A host can be equipped with 7 different impact devices , automatic identification of impact device type , replacement without recalibration . 3. Support " forged steel (Steel)" material , when using the D / DC type impact to test " forged " sample , reading directly HB values, without manual look-up table . 4.The bounds of the hardness value can be pre-set,automatically alarm when out of range,hardness value can be pre-set upper and lower limits , out of range alarm , meeting the needs of batch testing for users. Large-screen 128 ¡Á 64 dot matrix LCD display, information-rich and intuitive. 6. Full Chinese display , menu-driven operation, simple and convenient. 7. EL backlit display,available in the dark environment. 8. Storing up to 500 groups ( impact times 32 ~ 1 ) hardness measurements , each single measurement data including value , average, measurement date , impact direction, frequency , materials, hardness, and other information . 9. Integration of thermal printers and instrument, working quietly , fast printing, printing test report on the spot. With functions of software calibration. 10.Built-in NiMH rechargeable batteries and charge control circuit ; no less than 150 hours of continuous working time ; with functions of automatic sleep and automatic shutdown and other power saving functions. 11.Remaining charge indicator on the LCD , real-time display the remaining power ; with charging instructions , operator can know the charging level at any time. 12. USB interface , quickly and easily exchanging data with a PC . Can be equipped with computer software,with functions of transmission measurement, measured value storage management, statistical analysis of the measured values , the measured value printed reports , batch setting instrument parameters and other rich features to meet the higher requirements for quality assurance and management. Main application: 1.Mold cavity. 2.Bearing and other parts. 3.Failure analysis of pressure vessel, steam turbine generator set and the equipment. 4.Heavy workpieces. 5. Installed mechanical or permanent assemblies. 6. Narrow test space workpieces. 7.Formal requirements of original records on the testing results. 8.Specification of metal material warehouse. 9.Fast inspection of monitoring sites within a wide range of large workpieces. Dimensions : 211mm ¡Á 81mm ¡Á 35mm