AMT308 Webster Hardness Tester for Metal Inspection

Portable digital hardness testing for metals

AMT308 Webster Hardness Tester for Metal Inspection

Keywords: Webster hardness tester, aluminum hardness tester, handheld metal hardness tester, portable hardness tester for aluminum, digital Webster hardness tester

Key Features

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.

Technical Specifications

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

Applications

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.