| General Information | |
| Category | Portable Leeb Hardness Tester |
| Model | TIME®5303 |
| Manufacturer (OEM) | Beijing High Time Technology Co., Ltd. |
| Features | ▪ TIME5303: Dual hardness testing systems—one for roller hardness testing and one for standard hardness testing ▪ Simple menu for easy and convenient operation ▪ Conversion of common hardness scales (HL, HV, HB, HRC, HRB, HS) and tensile strength ▪ Supports 7 types of optional impact devices with automatic recognition; standard D-type included ▪ Matrix LCD display with backlight showing all key values and information ▪ Data storage capacity of 48–350 groups ▪ Upper and lower limit preset with audible alarm ▪ RS232 interface for data storage and further analysis ▪ Battery status indication with easy replacement of rechargeable battery ▪ Built-in printer for direct printing of test results ▪ TIME5303: Software calibration compliant with JB/T 9378-2001 and Q/HD SDF006-2003 standards |
| Technical Specification | |
| Measuring Range | 30–110 HSD; HLD |
| Hardness Scales | HL, HB, HRB, HRC, HV, HS, HSD |
| Measuring Direction | 360° |
| Tolerance | ±6 HLD (at 760 ± 30 HLD) |
| Repeatability | 6 HLD (at 760 ± 30 HLD) |
| Power Supply | 12 V / 600 mA |
| Charging Time (h) | 2 (with overcharge protection) |
| Humidity | ≤ 90% |
| Operating Temperature (°C) | 0–40 |
| Dimensions (mm) | 270 × 86 × 47 |
| Weight (g) | 530 |
| Standard Delivery | |
| Main Unit | 1 |
| Impact Device Type D | 1 |
| Cleaning Brush | 1 |
| Small Support Ring | 1 |
| Test Block (HLD) | 1 |
| Charger | 1 |
| Printing Paper | 1 |
| TIME Certificate | 1 |
| Warranty Card | 1 |
| Instruction Manual | 1 |




