Open Access
Table 1
Detailed parameters of ultrasonic creeping wave flaw detector.
| Parameter name | Numerical value |
|---|---|
| Detection frequency, Hz | 40 |
| Scanning range, mm | Longitudinal waves ranging from 0 to 10,000 |
| Vertical linear error, % | ≤2.5 |
| Horizontal linear error, % | ≤0.1 |
| Sound speed range, m/s | 100~20,000 |
| Number of inspection channels, piece | 100 |
| Receiving sensitivity, dB | −46 |
| Probe operating frequency, MHz | 2 |
| Continuous working hours, h | >8 |
| Sensitivity margin, dB | >62 |
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