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UD3-71 Flaw Detector for Ultrasonic Testing of Rails and Welds

UD3-71 flaw detector for ultrasonic testing of rails and welds UD3-71 flaw detector for ultrasonic testing of rails and welds

The UD3-71 ultrasonic flaw detector is designed for the testing of welded rail joints with a set of manual probes and USR-01 scanner (Tandem Rig):

Intended for re-testing of various type rails laid down in a track and also is used to carry out the before welding testing of end sections of new and used rails and welded joints.

 THE FLAW DETECTOR ADVANTAGES

  • High brightness color TFT display.
  • Internal memory (Micro SD card 8 Gb) for saving the testing setups and testing results.
  • Special Test Rig for Tandem Testing Technique.
  • Direct digital display of depth and distance of flaws.
  • Compact and light weight (0.9 Kg).

UD3-71 MAIN SPECIFICATIONS

Parameters Value
Test Range 1- 6000 mm
Velocity 1000 – 15000 m/s in steps 1, 10,100,1000 m/s
Angle probe 0 – 90 0
Delay 0 – 6000 mm  depending on the set PRF value
Gain 0-100 dB in steps 0.1, 0.5, 1, 10
Rejection 0 – 80 % FSH
Rectification Full wave, positive half wave, negative half wave, RF
Receiver bandwidth 0.4-20 MHz (- 3 dB)
Digital Frequency 0.4, 1, 1.25, 2, 2.5, 3, 4, 5, 6, 7, 8, 10, 15 MHz
Test Modes Pulse echo and transmit/receive.
Connector BNC
Measurement Gates
  • 2 fully independent three-level gates for amplitude and TOFD measurement.
  • Special gate of  Automatic gain control (AGC)
Result display A-scan, B-scan, simultaneous of up to 5 measured parameters selected by the user.
DAC/TCG
  • Number of points is 32.
  • Building TCG curve by DAC
DGS
  • automatic building of curve for different equivalent diameters
  • calibration at calibration blocks and testing objects.
  • building DGS curve by DAC.
Internal memory Micro SD card 8 Gb is used for saving the testing setups and testing results
Tandem Technique Special Test-Rig for tandem technique is provided for the Rail weld joint examination.
Probe Complete set of probes are provided for the Rail weld examination.
Display dimension (WxH, diagonal) 70 mm x 50 mm
Weight 0.8 kg
Overall dimensions (HxWxL) 210x100x110 mm

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