Product Features à Six Impact Devices are available for special applications D DC D+ 15 C DL G à Direct display of hardness scales HRB, HRC, HV, HB, HS, HL à Software to connect with PC and Dataview for PC operation; à Automatic identification Impact Devices and test direction ( Except G) à Software data and upperlower limits setting and sound alarm à Time and date setting; auto-clock à On-Board memory holds 240-1000 groups of data à Integral thermal printer, print all test results and histogram à For all metallic materials à Li Battery , low voltage indication and sound alarm à LCD with blue back-light, showing all functions and parameters à Wide measuring range à Long standby time and stable performance of field work; Technical specifications à Hardness Scale HL HRC HRB HV HB HS à Accuracy ± 4HLD( 760± 20HLD) repeatability of displayed value à Standard Impact Device D à limits set measuring range 170^ 960 HLDD Optional Impact à Devices / C / DC / D+ 15 / DL/ G à Operating Temperaturee 0~ 40 à Statistics Function Average/ Max/ Min calculation, limits setting and alarm à Testing direction Automatic à Min.thickness of hardened 0.8mm à Chargeing time 3~ 5hours à Power Li Battery 4.2V/ 1600mAh à Charger 5V/ 500mA à Overall Dimensions 147à 69à 23mm à Weight 186g à Computer Interface RS232 à Min.Workpiece thickness 5mm ( D / DC/ DL / D+ 15) 1mm ( C) 10mm ( G) à memory 240^ 1000 groups à Min.Workipece Weight 2^ 5Kg on stable support 0.05^ 2Kg with compact coupling à Min.Radius of Workpiece Rmin= 50mm( with support ring Rmin= 10mm) Max.Workpiece à Hardnesss 996HV ( D/ DC / D+ 15 / DL/ C ) 646HB ( G) à Continuous Working Time About 200hours Standard delivery à Main unit à Impact Device type D à Test block with HLD value à Charger à Cleaning brush à ASK certificate à Instruction manual à Warranty card à Carrying case Optional accessories à thermal printer à Special Impact Devices à Support rings à Dataview or Datalab and cable