Overview
The GAO Tek ultrasonic flaw detector can quickly, non-destructively, and accurately detect various defects (cracks, inclusions, blowholes, etc.) inside the workpiece. The product is unique in design, easy to operate and durable. It adopts an all-English true-color liquid crystal display. Different color schemes can be selected according to the environment. The brightness of liquid crystal can be adjusted under strong outdoor light. Master-slave menu design, with digital shuttle wheel, easy to operate, leading technology.
Features
- High right electroluminescent, strength light, weak light and sunlight viewable
- 32 independent sets of parameters can be set.
- Large capacity Li battery
- Can be connected to the printer, print inspection report and wave.
- Has auto-calibration function for normal probe
- Square wave pulse generator can be adjusted, suitable to test the defects of work piece with different materials and depth.
Technical Specifications
| Examination range | 0 in to 6.89 in (0 mm to 999 mm) |
| Working frequency | 0.2 MHz to 20 MHz |
| Sound speed range | 1000 m/s to 1500 m/s |
| Dynamic Range | ≥ 36 dB |
| Vertical linearity error | ≤ 2.5 % |
| Horizontal linearity error | ≤ 0.1 % |
| Discrimination | >40 dB (P 14) |
| Sensitivity margin | >65 dB (deep 200mm 2 flat bottom hole) |
| Digital suppression | 0 % to 80 % |
| Electrical noise level | ≤ 8 % |
| Probe type | Straight probe, oblique probe, dual crystal probe, penetration probe |
| Gate | Incoming gate, loss gate; single gate reading, double gate reading |
| Pulse amplitude | Low (300 V), medium (500 V), high (700 V) grading options |
| Pulse Width | Continuous adjustment in the range of (0.1 to 0.5) μs to match probes of different frequencies. |
| Probe damping | 100Ω, 200Ω, 400Ω optional |
| Real-time sampling of hardware | High resolution 10-bit AD converter with sampling speed of 160MHz and high waveform fidelity |
| Detection method | Positive half wave, negative half wave, full wave, radio frequency detection |
| Filter band | 0.2 MHz to 20 MHz fully automatic matching according to probe frequency, no need to set manually. |
| Data storage | 100 sets of flaw detection parameter channels, 1000 flaw detection echo signals and parameters |
| Communication Interface | USB 2.0 high speed communication transmission interface |
| Power supply | DC (DC) 9 V; lithium battery works continuously for more than 8 hours |
| Ambient temperature and humidity | -25 °F to 165 °F (-10 ℃ to 50 ℃) |
| Dimensions | 7.98 in x 4.76 in 1.87 in (2.63 mm x 170 mm x 61 mm) |
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