Description
Overview
GAOTek weld ultrasonic flaw detector is a versatile device for quickly and accurately detecting defects (like cracks and inclusions) in materials. It’s simple design, user-friendly menu, and adjustable colour display make it suitable for various industries, including aerospace, railway, construction, and more. It’s an essential tool for quality control and safety monitoring in diverse fields.
Features
- Integral design
- Easy to carry and make work efficient
- Measurement data can be calibrated manually
Technical Specifications
| Working principle | Ultrasound (pulse echo/echo-echo) |
| Working frequency range | 0.5 MHz to 20 MHz |
| Pulse Width | Square wave width 30 ns to 1000 ns adjustable, step 0.1 ns |
| Detection range | 0 in to 551 in (0 mm to 14000 mm) steel longitudinal wave |
| Pules displacement | -1.8 in to 39.4 in (-45 mm to 1000 mm) steel longitudinal wave |
| Material sound velocity | 300 m/s to 15000 m/s |
| Detection method | Negative wave, forward wave, two-way wave, filtering, RF wave. |
| Gain adjustment | 0 dB to 110 dB: 0.1/1/2/6 step adjustment. |
| Valve | off/incoming wave/lost wave |
| DAC, AVG function | DAC curve, AVG curve |
| Attenuator error | Every 12 dB ± 1 dB |
| Vertical linear error | ≤3% |
| Horizontal linear error | ≤0.5% |
| Dynamic Range | ≥30 dB |
| Flaw detection margin | ≥65 dB |
| Far-field resolution | ≥26 dB |
| Electrical noise level | ≤10 (1 MHz to 4 MHz) % |
| Equivalent input noise | ＜80 x 10 V to 9 V/√Hz |
| Pules repetition frequency | 20 Hz to 1000 Hz, step 1 Hz |
| Pulse volage | 25 V to 400 V adjustable, step 25 V |
| Thin plate resolution | ≤3 mm |
| AWS D 1.1/D 1.5 | American Welding Association AWS D 1.1/ D 1.5 calculates steel structure and bridge weld grades |
| Operating Voltage | 12 V (battery, DC) |
| Physical dimension | 7.1 in x 5.1 in x 1.6 in (180 mm x 130 mm x 40 mm) |