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# KH-160

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Description

KH-160Series Leeb Hardness Tester-Specification

Working Principle

To use the impact body of certain weight impacts against the testing surface under certain spring force, leeb hardness means the ratio of the impacting velocity(Va) and the rebounding velocity(Vb) of the impact body when the spherically test tip is located 1 mm above the testing surface. The leeb hardness values are calculated by the following formula:

Specification

Measuring Method | Leeb Hardness method |
Hardness Scale | HL, HB, HRB, HRC, HV, HS, σb |
Measuring Range | HLD(200-960), HRC(19.8-68.5), HRB(13.5-100), HB(30-651), HV(80-976), HS(26.4-99.5), σb (375-2639) |
Impact Device | D type impact device standard, optional C/G/DC/DL/D+15 |
Accuracy | ±6HLD (HLD=800), Repeatability ﹤6 HLD (HLD=800) |
Measuring Direction | Vertically Downwards, Downward sloping, Horizontal, Upwardly sloping, Vertically Upwards. |
Material | Steel& Cast Steel, Stainless Steel, GC iron, NC iron, Cast Aluminum alloy, Macht metal, Copper-tin alloy, Brass. |
Resolution | 1HL, 1HV, 1HB, 0.1HRB, 0.1HRC, 0.1HS |
Display | High Contrast Segment Liquid Crystal Display (LED Backlight) |
Data Memory | 100 groups (each group include 1-7 testing result and 1 MEAN value) |
Communication | USB port (Standard) and Blue tooth (Optional) |
Printer | Thermal Printer with blue tooth (optional) |
Power | 2 AA batteries |
Temperature | -10℃ to +50℃ |
Size | 153 × 76×37 (mm) (H×W×D) |
Weight | 280g include batteries |
Standard | GB/T 17394-1998, ASTM A956 |

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