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Acoustic Testing Pro Digital Ultrasonic Metal Thickness Gauge GM100+ – Acoustic Testing Pro
Acoustic Testing Pro Digital Ultrasonic Metal Thickness Gauge GM100+ is a portable and highly accurate device used to measure the thickness of metal materials such as steel, aluminum, and other homogeneous substances.
Overview
Acoustic Testing Pro Digital Ultrasonic Metal Thickness Gauge GM100+ is a portable and highly accurate device used to measure the thickness of metal materials such as steel, aluminum, and other homogeneous substances. It uses ultrasonic pulse reflection to determine thickness, making it ideal for non-destructive testing in manufacturing, automotive, pipeline, and maintenance applications. With a wide sound velocity range and clear digital display, this handheld gauge ensures fast, precise, and reliable measurements in various industrial settings.
Key Features
- Measures thickness of metal and homogeneous materials using ultrasonic pulse technology
- High accuracy with ±(1%H + 0.002 in) precision (H = thickness)
- 4-digit LCD display for clear and easy reading
- Adjustable sound velocity from 3280 to 32808 ft/s (1000 to 9999 m/s) for different materials
- Battery-powered for portability (3 x 1.5V AAA batteries)
- Suitable for steel pipes, plates, tanks, and structural metal inspections
- Compact and handheld for field or workshop use
Technical Specifications
| Display | 4-digit LCD |
| Minimum Limit for Tube Measuring (Steel) | 0.79 in x 0.12 in (20 mm x 3 mm) |
| Sound Velocity Range | 3280 to 32808 ft/s (1000 to 9999 m/s) |
| Accuracy | ±(1%H + 0.002 in) (H = thickness of tested piece) |
| Power Supply | 3 x 1.5 V AAA batteries |
| Operating Temperature | 32 °F to 122 °F (0 °C to 50 °C) |
| Weight | ~8.82 oz |
| Dimensions | 2.83 in x 5.75 in x 1.14 in (72 mm x 146 mm x 29 mm) |







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