Portable Leeb Hardness Tester Machine – THL-280 PLUS

Portable Leeb Hardness Tester

Features :

  • LCD display of 128×64 matrix with back-light, showing all functions and parameters. Converts to all common hardness scales (HV,HB,HRC,HRB,HRA,HS).
  • English displaying and easy and convenient menu operation.
  • Powerful PC Software available and USB 2.0 interface.
  • 7 types of Impact Device optional, which don't need to be recalibrated when changing them.
  • Memory of 600 groups data (impact times:32 ~ 1)
  • Lower limit setting and sound alarm.
  • 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.
  • Printer be separated from main unit and copies of testing results can be printed as required.
  • In-built Smart Li lon rechargeable battery while USB connected and charging controlling circuit.
  • AA battery can easy change and transport.
  • Inbuilt function of Software Calibration.

Specification :

Hardness scale HL, HB, HRB, HRC, HRA, HV, HS
Memory 48 600 groups impact times: 32 1
Measuring range HLD 170 960 See below table 1 and table 2
Accuracy ± 4HLD (760±30HLD) error of displayed value
4HLD (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 surface 0.8mm
Power AA battery
Continuous Working time approx. 100 h (no back light off)
Charging time 2-3.5 h
Operating temperature 0~40℃
Relative humidity ≤90%
Overall dimensions 125*67*31mm (main unit)
Weight 0.3kg (main unit)

Datapro for Hardness tester THL280 PLUS

Portable Hardness Tester

Standard Accessories :

1 Main Unit 1 Standard configuration
2 Impact Device Type D 1 Standard configuration
3 Test Block Type D 1 Standard configuration
4 Cleaning Brush 1 Standard configuration
5 Supporting Ring 1 standard configuration
6 Communication Cable 1 Standard configuration
7 Manual 1 standard configurations
8 Carrying Case 1 Standard configuration
9 DataPro Software(USB) 1 Standard configuration
10 Battery Case Tool 1 Standard configuration
11 Mini-printer 1 Optional configuration