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 1.0 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.
Inbuilt function of Software Calibration.
Specifications
| 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 | ±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 surface 0.8mm | |
| Power | Rechargeable Li lon battery 3.7V/600mA, 4 years life |
| time | |
| 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
Standard Configuration
| Seq | Name | Qty | Remark |
| 1 | THL280 Main Unit | 1 | Standard configuration |
| 2 | Impact Device Type D | 1 | Standard configuration |
| 3 | Leeb Standard Test Block | 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 |
| THL280 DataPro | |||
| 9 | Software(USB) | 1 | Standard configuration |
| 10 | Battery Case Tool | 1 | Standard configuration |
| 11 | Mini-printer | 1 | Optional configuration |
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