HardMaster-P Leeb Hardness Tester

Leeb Hardness Tester with range 170 ~ 960 HLD, convertible to other scales, clear dot matrix display and inbuilt calibration process.

Features:
  • Converts to all common scales of HV, HB, HRC, HRB, HRA, HS. 
  • 128×64 dot-matrix backlit LCD display. 
  • Inbuilt function of Software Calibration. 
  • Memory storage of 600 groups of data. 
  • Material of “cast steel” is added; HB values can be read out directly when D/DC impact device is used to measure “cast steel” work piece. 


Applications:

This can be used to measure the hardness of die cavity of moulds, inspection of bearings, installed machinery, heavy work pieces and other mass produced parts in a production line, failure analysis of pressure vessel, steam generator and other equipment, material identification in the warehouse of metallic materials, rapid testing in large range and multi-measuring areas for large-scale work piece.  

 

Measuring Principle:

This instrument employs the rebound method of measuring hardness by using an assembly of an impact body and magnets to measure the impact and rebound velocities from the material under test to determine the Leeb Hardness, which can be converted to general hardness scales of HV, HB, HS, HRC, HRB, etc., for analysis.  

Model Metrix+ Hardmaster-P
Hardness scales HL, HB, HRB, HRC, HRA, HV, HS
Memory 48~600 groups (impact times: 32~1)
Measuring range HLD(170~960)
Accuracy ±6HLD (760±30HLD) error of displayed value 
6HLD (760±30HLD) repeatability of displayed value
Standard Impact Device D
Optional Impact Devices DC/D+15/G/C/DL
Max. Workpiece Hardness 996HV(For Impact Devices D/DC/DL/D+15/C)
646HB(For Impact Device G)
Min. Radius of Workpiece Rmin = 50mm (with special support ring Rmin= 10mm)
Min. Workpiece weight 2~5kg on stable support ; 0.05~2kg with compact coupling
Min. Workpiece thickness 5mm (Impact Devices D/DC/DL/D+15)
1mm (Impact Device C)
10mm (Impact Device G)
Min. thickness of hardened 0.8mm
surface
Power 3 x  AA Battery
Continuous Working time approx. 100 h (with backlight)  
Operating temperature 0~40℃
Relative humidity ≤90%
Overall dimensions 125 x 67 x 31mm (main unit)
Weight 0.3kg (main unit)
Standard Configuration Main Unit, Impact Device Type D, Leeb Standard Test Block, Cleaning Brush, Supporting Ring, Manual, Carrying Case.
Optional Configuration Mini-printer, Data Pro Software(USB) + Communication Cable
Catalogue: Catalogue