Ultrasonic Rail Flaw Detector
equipment. The equipment fully meets the requirements of TB / T 2340-2012 rail ultrasonic flaw detector of the Ministry of
railways, is suitable for the flaw detection of 43kg / M ~ 75kg / m rail, can efficiently detect various defects of rail head,waist and bottom, and is suitable for various rail detection applications such as ordinary railway, high-speed railway and subway.
| Item | Data | Note | |
| Channels | Rail flaw detection channel | 9 | single probe |
| Weld inspection channel | 9 | Dual probe (tandem) | |
| 37° penetration | 1 | do not use | |
| Attenuator range | 0-80dB | Step 0.5dB | |
| Display screen | 8.4" True Color, 640×480 | ||
| Sampling frequency | 100MHz | ||
| Transmit pulse | >250V | ||
| Transmit pulse repetition frequency | ≥400Hz | ||
| Attenuator error | Less than 1dB per 12dB | ||
| Dynamic Range | Rail flaw detection channel | Small suppression ≥16dB, large suppression 2-6dB | |
| Weld inspection channel | Suppression small ≥ 26dB | ||
| Horizontal linearity error | ≤2% | ||
| vertical linearity error | Rail flaw detection channel≤15%,Weld inspection channel≤4% | ||
| blocking range | Rail flaw detection channel≤20mm,Weld inspection channel≤10mm | ||
| Influence of suppression status on measurement results | ≤2dB | ||
| Voltage adaptability | Within 20-25v:≤1dB | ||
| digital sampling error | ±5% | ||
| Digital flaw detector response time | ≤5ms | ||
| Distance magnitude characteristic | 70° | △W5≤12dB | |
| 37° | △W3≤12dB;△W4≤8dB | ||
| 0° | △W1≤12dB;△W2≤8dB | ||
| Sensitivity margin | 70° | ≥40dB | |
| 37° | ≥40dB | ||
| 0° | ≥36dB | ||
| relative sensitivity | K0.8 | ≥65dB | |
| signal to noise ratio | 70° | ≥20dB/10dB | |
| 37° | ≥22dB/8dB | ||
| 0° | ≥24dB/16dB | ||
| Defect detection capability | Rail flaw detection channel | Can detect all artificial defects on the GTS-60C test block (except 15° under crack) | |
| Weld inspection channel | At the pushing speed of 4km/h, the detection of a person with a Ф3 flat bottom hole in the rail waist work defect | ||
| battery working time | ≥8 hours | ||
| temperature | -25°C~45°C | ||
| Mainframe Dimensions | 266mm× 210mm× 240mm | ||
| Overall dimensions | 700× 800× 300mm | ||
| Total Weight | 25kg | ||
Wuhan Linkage Track Equipment Co., Ltd Established in 2022, specializes in designing and manufacturing geometry measurement systems for the railway, including digital track gauges, mechanical gauges, rail wear gauges, turnout measurement gauges, etc. Our products are China Railway Construction Corporation Limited (CRCC) approved. The products are used by CRCC for all their rail operation. Besides, our products are also being used by major rail operators in America, Australia, Europe, and the ASEAN countries. The bitterness of poor quality remains long after the sweetness of low price is forgotten. Our mission is to manufacture high-quality rail measurement instruments at a competitive price with reliable services to our clients in order to help them maintain & operate a safe railway system.
