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Portable digital hardness testing for metals
Keywords: Webster hardness tester, aluminum hardness tester, handheld metal hardness tester, portable hardness tester for aluminum, digital Webster hardness tester
1. Measures Webster hardness on aluminum alloys, brass, copper, soft steel, and other metals.
2. Displays results in six hardness scales: HWA, HRE, HRF, HRB, HV, and HB.
3. User calibration with a reference hardness block helps align readings to the specified block value.
4. Bluetooth connection supports the UT and HL mobile app.
5. Rechargeable battery provides more than 5,000 continuous measurements per full charge.
6. Stores up to 9 readings and retains them after power-off.
Calibration display | 
Digital hardness display | 
Measuring head and controls |
| Parameter | Specification |
|---|---|
| Hardness scales | HWA, HRE, HRF, HRB, HV, HB |
| Measurement ranges | HWA: 0–20; HRE: 23.5–110; HRF: 26.2–105.5; HRB: 0–85.3; HV: 49–155; HB: 35.2–153 |
| Resolution | 0.1 HWA |
| Accuracy | ±0.5 HWA |
| Repeatability | 0.5 HWA |
| Material thickness | 0.6–8 mm |
| Minimum material inside diameter | >10 mm |
| Display | 128 × 64 dot-matrix OLED |
| Battery | Rechargeable lithium battery, 3.7 V, 400 mAh |
| Battery life | More than 5,000 continuous measurements per full charge |
| Charging port | USB Type-C |
| Wireless connection | Bluetooth; UT and HL mobile app |
| Dimensions | 203 × 97 × 30 mm |
| Weight | 484 g |
| Operating conditions | 0–50 °C; 0–85% RH, noncondensing |
| Storage conditions | −10–60 °C; 0–85% RH, noncondensing |
| Supply voltage / current / power | 5 V DC / 10 mA / 50 mW |
| Automatic shutoff | After 3 minutes of inactivity |
1. Incoming inspection and quality control for aluminum and other nonferrous metal products.
2. Hardness checks on brass, copper, and soft steel components.
3. In-process and field inspection where a handheld Webster hardness tester is convenient.