Drill pipe inspection method
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Drill pipe straight ahead, test assembly fixed
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Detection range
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F60-F168 drill pipe
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Transmission system speed
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6-20 m/min; variable frequency adjustable
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Detection mode
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Automatic feeding, automatic testing and automatic sorting
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Sensitivity of Hole Detection
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F1.6mm through hole (calibrated by 8 holes)
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Accuracy of Section Area Measurement
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2-4％
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Position resolution accuracy
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20mm
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Non-detection zone
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￡100mm（Drill pipe body）
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False Alarm Rate
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￡0.5%
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Remaining magnetism after demagnetization
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￡10GS
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Internal and external surface coverage
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100%
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Equipment usage environment
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Working temperature: 40 degrees - 50 degrees below zero; working humidity: 0 - 95%
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