1. Outlook
● A totally new appearance with industrial style.
● Solved the problem that the rubber paint of TT- 5120 is sticky and hard to clean after continuous usage.
● Redesign the silicone physical buttons.
● Add a lanyard to greatly enhance the portability of this testing tool.
2. Performance
● The display is changed from LCD without backlight to OLED screen, high brightness, high contrast and clear reading even in dim environment.
● Bluetooth is added to connect with Bluetooth printer and Bluetooth mobile phone (Android system).
● When connected to a Bluetooth mobile phone, it is convenient to set the parameters, read the measurement data or historical data on the phone.
● For setting the parameters, new options such as hardness conversion tables, auto save, auto elimination of coarse error are added.
● Data storage of 100 groups is supported (only can be read by mobile phone APP).
TT-510D Integrated Leeb Hardness Tester Specifications
| Standard impact device | D integrated |
| Hardness scales | HL,HB,HRA,HRB,HRC,HV,HS |
| Measuring range | (170~960)HLD |
| Accuracy | 6HLD |
| Surface roughness of workpieces | ≤1.6µm(Ra) |
| Max. workpiece hardness | 940HV |
| Min. thickness of hardened layers | 0.8mm |
| Charging time | 2h |
| Continuous working time | 8h |
| Power supply | 6V/500mA |
| Operating temperature | 0~40°C |
| Dimension (mm) | 145×35×30 |
| Weight (g) | 130 |
TT-510D Integrated Leeb Hardness Tester Standard Delivery
| Standard Delivery | Optional Accessory | |
| Main unit | 1 | Support rings |
| Test block HLD | 1 | APP |
| Charger | 1 | Bluetooth Printer |
| Cleaning brush | 1 | |
| Certificate | 1 | |
| Lanyard | 1 | |
| Support Ring | 1 | |
| Warranty card | 1 | |
| Instruction manual | 1 |










