Feature:1. A Variety of Values: With high definition bright screen, one key conversion, one measurement can display 7 kinds of hardness values2. Long Standby Time: This digital hardness tester can stand by for a long time, and can last for about a month when fully charged3. Large Capacity Storage: This high accuracy hardness tester adopts mass storage and can store 40 sets of experimental data4. Accurate Measurement: This digital hardness tester can achieve accurate measurement, automatic sleep, automatic shutdown5. Wide Application: Can be widely used for electric power, petrochemical, machinery manufacturing, metallurgy, vehicle and other industriesSpecification:Item Type: Digital Hardness TesterDisplay: TFT Color ScreenLanguage: Chinese and EnglishAuto Sleep: 2 MinutesAutomatic Shutdown Time: 3 MinutesStorage: 40 Sets of DataPower Supply: 3 AA Batteries (Not Included)Working Temperature: 0-45℃Measurement Direction: Vertical down, diagonal down, horizontal, diagonal up, vertical upMeasuring Materials: Steel and cast steel, alloy tool steel, stainless steel, cast aluminium alloy, copper zinc alloy, copper tin alloy, pure copper. forged steelHardness Scale: Leeb (HL), A (HRA), B (HRB), C (HRC), Brinell (HB), (HV), Shore (HSD)Measuring Range: 170HL-960HLMaterial: ABS Package List:1 x Digital Hardness Tester1 x Wire1 x Contact Rod1 x Cleaning Brush1 x User ManualNote:Follow the instructions in the user manual