High Precision Leeb Hardness Tester Metals Hardness Test Kit Portable Digital Durometer 360° HLD HB HV HS HRA HRB HRC Testing D Type Impact Device Specifications: Model: LS-200 Material: ABS Measuring Direction: Support 360º (vertical down, slant down, horizontal, slant up, vertical up) Measuring Range: (170-960)HLD, (17.9-69.5)HRC, (19-683)HB, (80-1042)HV, (30.6-102.6)HS, (59.1-88)HRA, (13.5-101.7)HRB Hardness Unit: Richter (HLD), Brinell (HB), Rockwell B (HRB), Rockwell C (HRC), Rockwell A (HRA), Vickers (HV), Shaw (HS) Display Value Error: ±6% (HLD = 800) Display Value Repeatability: 0.8% (HLD = 800) Display: Industrial-grade 128 × 64 graphic dot matrix LCD liquid crystal Power Supply: 1800mAh rechargeable lithium battery Continuous Working Time: About 20 hours Operating Conditions: Operating temperature -10℃~50℃                                 Storage Temperature: -30℃~60℃                                 Relative Humidity: ≤ 90% Applicable Materials: Steel and cast steel, alloy tool steel, stainless steel, gray cast iron, ductile cast iron, cast aluminum alloy, copper-zinc alloy (brass), copper-tin alloy (bronze), pure copper, forged steel Language: Chinese and English optional Item Size: 148 * 83 * 30mm / 5.82 * 3.26 * 1.18in Item Weight: 201g / 7.09oz Package Weight: 636g / 22.43oz Package Size: 23 * 19 * 5cm / 9.05 * 7.48 * 1.97in