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 |
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| Result display | A-scan, B-scan, simultaneous of up to 5 measured parameters selected by the user. |
| DAC/TCG |
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| DGS |
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| 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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