MH100 Pen type Durometer Integrated compact design Portable Rebound  Leeb Hardness Tester Meter HRB, HRC, HRA, HV, HB, HS, HL Product Overview: MH 100 series pocket hardness tester, also known as pen type hardness tester, based on Leeb hardness measuring principle, quick and easy on site test the hardness of series metal materials, support free conversion between Leek, Brine , Rockwell hardness scale and others,integrated compact design, small size, portable, high y integrated, stable and reliable performance,supporting data transfer and storage printing function Wide y used in failure analysis of metal processing and manufacturing special equipment, permanent assembly, inspection and other fields. Particularly suitable for large parts and non-removable part of the site hardness testing. It is professional precision Instrument to improve the pass rate of production and cost savings . Technical Specifications: Error and repeatability of displayed value showed in Table below.       No.    Type of impact device    Hardness value of Leeb standard hardness block    Error of displayed value    Repeatability        1    D    760±30HLD 530±40HLD    ±6 HLD ±10 HLD    6 HLD 10 HLD        2    DC    760±30HLDC 530±40HLDC    ±6 HLDC ±10 HLDC    6 HLD 10 HLD        3    DL    878±30HLDL 736±40HLDL    ±12 HLDL    12 HLDL        4    D+15    766±30HLD+15 544±40HLD+15    ±12 HLD+15    12 HLD+15        5    G    590±40HLG 500±40HLG    ±12 HLG    12 HLG        6    E    725±30HLE 508±40HLE    ±12 HLE    12 HLE        7    C    822±30HLC 590±40HLC    ±12 HLC    12 HLC     *Measuring range& 65306;HLD& 65288;170& 65374;960& 65289;HLD *Impact direction: vertically downward, oblique, horizontal, vertical upward, automatically identify *Material: steel and cast steel& 65292;cold work tool steel, stainless steel, Grey cast iron,Nodular cast iron, cast aluminum alloys,BRASS(copper-zinc alloys),BRONZE(copper-aluminum/tin alloys),Wrought copper alloys. *Hardness Scale& 65306;HL& 12289;HB& 12289;HRB& 12289;HRC& 12289;HRA& 12289;HV& 12289;HS *Display& 65306;Color TFT,320x240 dots, dot-matric LCD *Data memory& 65306;100 measurement series.(relative to impact times 32& 65374;1) *Battery : 3.7V(built-in lithium polymer battery), *Power supply: 5V/500mA,Recharge time: 2.5-3.