ITOKIN TECHNOLOGY CO., LTD. 3/18 Soi 33,Vibhavadi Rangsit Road, 1-6 Separate.Airport, Don Muang, Bangkok 10210 Thailand. (Monday- Friday 8.30-17.30) E-mail:[email protected] /www.itokin2000.com ¬¯´£¥´´Æn·Ê ¥¹¯¬´¤m© Potable hardness tester THL-370 Specifications Â¥¹Ê¯¬¯©´£ÃÉ ´ Measuring range HLD ق170ع960كHLD Measuring direction 360 drgree. Hardness Scale HL,HB,HRB,HRC,HRA,HV,HS Display 3 inch screen ,one of the biggest in China. Data memory 600 groups max.قrelative to impact times 32ع1 كPrinting paper width is ق57.5±0.5كmm, diameter is 30mm Battery pack 7.4V Li-Battery Battery charger 9V/500mA Continuous working period about 150 hoursقWith backlight off, no printing كCommunication interface USB2.0 Outline dimensions 225mm x 85mm x 35mm