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 HT >> LM100
  
 

  
LM100 Series 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 1mm above the testing surface. The leeb hardness values are calculated by the following formula:
HL=1000 ( Vb / Va )
 
Specification
 

Measuring Method
Leeb Hardness method
Hardness Scale
HL, HB, HRB, HRC, HV, HS, b
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), b (375-2639)
Impact Device
D type impact device standard, optional C/G/DC/DL/D+15
Accuracy
6HLD (HLD=800), Repeatability 6HLD (HLD=800)
Measuring Direction
360 degree by manual setting
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
Working Temperature
-10 to +50
Size
153 7637 (mm) (HWD)
Weight
280g include batteries
Standard
GB/T 17394-1998, ASTM A956

 

Standard Configuration
Optional Configuration
LM 100 Main Unit
Impact Device: D/C/G/DC/DL/D+15
D Type Impact Device
Standard Test Block
Standard Test Block
Blue tooth module & Thermal Printer
Rubber Sheath
Belt
Small Support Ring
Standard Support Ring
Cleaning Brush
Small Support Ring
2 AA Batteries
Special Support Ring
Operating Manual
 
Instrument Case
 

 
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