探伤仪从测量原理不同可以分为：数字式超声波探伤仪，超声波探伤仪、磁粉探伤仪、涡流探伤仪、射线探伤仪和荧光探伤仪，主要用于探测机加工件内部有无缺陷（裂纹、砂眼、气孔、白点、夹杂等），焊缝是否合格，查找有无暗伤，从而判定工件合格与否。
超声探伤仪 [材] Ultrasonic flaw detector ; ultrasonic defect detector
涡流探伤仪 Eddy current flaw detector ; Eddy current detector
漏磁探伤仪 magnetic leakage field inspection machine
磁粉探伤仪 Magnetic defect detector
射线探伤仪 X-ray flaw detector ; gamma ray defectoscope ; ray crack detector
磁探伤仪 [仪] magnetic flaw detector
无损探伤仪 non-destructive flaw detector
同位素探伤仪 [材] isoscope
钢轨探伤仪 [铁路] rail flaw detector
成功地将超声探伤仪输出的模拟信号数字化。
The analog signals of ultrasonic fault detector are digitalized successfully.
辐射角及中心偏移，是定向X射线探伤仪的重要技术指标。
Radiation Angle and central deviation is important parameters of an X-ray directional flaw detector.
事实上，该产品的性能相当于甚至是超过常用的高级探伤仪。
In fact, the performance equals or exceeds that available from even the most sophisticated of conventional "flaw detectors".
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