Qingdao DSN-91 metal shrinkage eddy current flaw eddy current flaw detection instrument channel technical parameters ☆ :1-10 (Scalable rotary channel, rotating through the combo plus testing) ☆ detection frequency: 1KHz - 100KHZ; ☆ linear gain :0-99 .9 dB continuously adjustable, step: 0.1dB; ☆ detection speed: 0.3m/min-12000m/min ☆ long term stability: Sensitivity dB value fluctuations ≤ 1 dB ☆ artificial flaw size resolution ≤ 0.1mm ☆ artificial defects false positive rate <1% ☆ artificial defects false negative rate <1% ☆ circumferential poor sensitivity ≤ 2 dB ☆ SNR ≥ 15 dB ☆ ends blind: ≤ 50mm ☆ marks Accuracy: ≤ ± 50mm ☆ phase rotation: 0 - 3590 continuously adjustable in steps of: 10 ☆ Multiple display mode: V model, Y mode, X / Y pattern ☆ standards in the probe vibration signal does not exceed the alarm level alarm mode ☆ vector analysis: fan alarm amplitude alarm delay ☆ hardware output alarm, real-time hardware output multi-channel sound and light alarms ☆ ☆ detection alarm output length is automatically calculated statistical ☆ ends, the tail end of a large number of signals are automatically removed ☆ can store a variety of testing procedures and test data ☆ has Playback Memory function eddy current signal can be traced defect amplitude, phase. ☆ automatically records show that the number of defects and their location, automatic test report form (including the number of detections, the number of qualified and unqualified number and other information) ☆ English user interface, online help ☆ programmable control: feeding, cutting, sorting, other markers and linkage ☆ Power: AC 220V ± 10%, 50Hz ± 10% ☆ Ambient temperature:-100C --- 550C ☆ Humidity: ≤ 85%