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Steel tube on-line ultrasonic flaw detector | |
2015/8/19 阅读次数:[1876] | |
Comprehensive Performance Index: Refer to level YB/T4082-201、GB/T 5777-2008 L2 Testing area: length 0-500mm,( can be set and adjusted) SNR:≥12dB; Circular sensitivity difference: ≤3dB; Internal and external surface sensitivity difference:≤3dB; Missing report rate:0; False alarm rate:≤1%. |
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