Leeb hardness tester THL280plus
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 & with the
USB Protective Membrane.
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.
AA battery can easy change and transport.
Inbuilt function of Software Calibration.
Standard according including : national standard: GB/T
17394.1-2014; GB/T1172-1999
EU standard: EN ISO 16859-2016
ASTM standard:ASTM A956(2012)
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 |
| 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) |
Datapro for Hardness tester THL280plus
Standard Configuration
| Seq | Name | Qty | Remark |
| 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 configuration |
| 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 |
