Features:1. Using double coil technology, the measurement is more accurate2. The probe has a built-in direction sensor, and there is no error in the full-angle measurementProbe type: DC type impact deviceHardness: HL, HV, HB, HS, HRA, HRB, HRCMeasuring range: HLD(170-960);HV(83-976); HB(30-651);HRC(17.6-68.5); HS(26.4-99.5);HRB(13.5-100); HRA(60-85.8)Resolution: 1HLMeasurement accuracy: ±6 HL Small size, easy operation：Thanks to the small size as lipstick, theLS252DC is simple to operate and easily to be carried out. High accuracy with patented dual-coil technology: Cutting-edge dual-coil technology bring thetester extraordinary measurement accuracy and good repeatability. Direction sensor inside the probe will compensate the measurement errors in different impact directions automatically. Capable of measuring a wide range of metal materials. lmpact device is made of Tungsten carbide. Import Country as Labeled Department unisex-adult Item Weight 2.2 pounds Manufacturer GuangPingXianChuXingWuJinBaiHuoJingYingB