Description
Overview
GAOTek weld inspection flaw detector crack detector to fast and convenient, no damage, accurately artifact within a variety of defects such as cracks, weld, porosity, sand holes, the detection, location and folding the inclusion, assessment and diagnosis, widely used in electric power, petrochemical, boiler, pressure vessel, steel structure, military industry, aerospace, rail transport, automobile, machinery, and other fields. It has three functions of waterproof, oil-proof and dust-proof, and its service life is extended.
Features
- Both the Angle and K value are input
- Computex analysis of the echo frequency
- Energizer state indicator
- The acoustic and optical alarm of the piston gate
- The acoustic and optical alarm at the terminal DAC
- Freeze and thaw the screen
- Terminal clock display
Technical Specifications
| Scan | Â steel medium/longitudinal wave |
| Operating frequency | Â 0.4 MHz to 15 MHz |
| Vertical linear error |  ≤3% |
| Horizontal linear error |  ≤0.1% |
| Gain | Â 110 dB |
| Sensitivity margin |  >62 dB (deep 7.87 in (200 mm) Φ2 flat bottom hole) |
| Resolution | Â >40 dB (5N20) |
| Dynamic Range |  ≥32 dB |
| Noise level | Â <8% |
| Repeated emission frequency | Â 100 HZ to 1000 HZ |
| Sound speed range | Â 1000 m/s to 11000 m/s |
| Working method | Â Straight probe, oblique probe, double crystal, penetrating |
| Digital suppression | Â (0 % to 80 %, does not affect linearity and gain |
| Working hours | Â Working continuously for more than 10 hours (lithium battery) |
| Relative Humidity | Â 20% to 95% RH |
| Ambient temperature |  -4 °F to 158 °F (-20 °C to 70 °C) (reference value) |
| Overall dimensions |  9.37 in x 6.10 in x 1.81 in (238 mm × 155 mm × 46 mm) |