Rail Ultrasonic Flaw Detector

Uploaded at: September 8th, 2021
  • Descriptions:
  • AFD900 Rail Ultrasonic Flaw Detector is a brand new digital barrow-style ultrasonic equipment of flaw detection.
    It is used to detect all kinds of flaws in rail materials ranged from 43kg/m~75kg/m. It is a new type of practical, dependable instrument of rail flaw detection.
    This instrument fits in with the Railway Field Standard of People’s Republic of China TB/T 2340—2000 Technological Terms and Conditions of Multicenter A Scope Rail Ultrasonic Flaw Detection Instrument.
    This machine mainly includes one main machine, probe and water tank. Above three parts are installed on the handcart. 



    1. Detecting Channels: 9 channels.
    2. Working Frequency: 2MHz.
    3. Repetition rate: 400 Hz (each channel).
    4. Detection range: 0 ~ 200±4mm for 43kg/m and 50kg/m rail,0~250±5mm for 60kg/m and 75kg/m rail.
    5. Gain range: 0 ~ 80 dB.
    6. Sensitivity Leavings: TB/T 2340—2000 standard.
    7. Dynamic range: ≥30dB (restraining small), 2~6dB (restraining big)
    8. Horizontal linear error: ≤2%
    9. Vertical linear error: ≤5%
    10. Attenuation error: less than 1dB per 20dB
    11. Alarm Threshold level: >50% (A-I channels reflex alarm), <30% (0 degree or double 45 degree channel penetration alarm).
    12. Alarm frequency: 70 degree channel: 250Hz (20 degree Angle oblique), 750Hz (direct); 37 degree channel: 500Hz; 0 degree channel: 1000Hz. Probe lapse alarm: 2000Hz, over rate alarm 2000Hz.
    13. Number of files that can be saved: automatic storage file can save 60 days. Manual storage file can be 2000 pieces.
    14. Time Dynamic pulse time: ≥60 minutes
    15. Operation voltage: 18-26V
    16. Power consumption: ≤ Machine can work about 10 hours continually.
    17. Operation temperature: -30 to 50℃
    18. Tank size: 20L
    19. Weight: 25kg (without couplant)


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