Ultrasonic Fault Detector Leeb510/520/521/522


  • Probe automatic calibration
  • DAC and AVG are automatically formed, and can be corrected and compensated
  • Freelyswitch to fourkinds of standards (depth D, level P, distance S, amplitude H)
  • Functions such as Auto-gainand peak memory improve detection efficiency
  • Automatically calculate the φ value equivalent defects
  • 13 built-in testing standards are available
  • Storage: 980 pieces of A-scan imagesand data
  • Power supply: rechargeable Li-ion battery, standby time more than 15hours
  • The width and intensity of launch pulse are adjustable
  • With the durableshell,oil-proof, water-proof and dust-proof
  • PC software is availablefor data analysis, managementand reports printing.


Application for quickly and accurately detection, positioning, evaluation and diagnosis of various flaws in the work-piece, such as cracks, welds, blowhole, etc. It Widely used in electric power, petrochemical, boiler and pressure vessel, steel, military, aerospace, railway transportation, automobiles, machinery, and other fields.

Ultrasonic Fault Detector Leeb510/520/521/522

Technical Specification

Operating Frequency0.5MHz~15MHz      0.5MHz~20MHz
Scan Range(mm)0-6000mm0-10000mm
Velocity Range(m/s)1000~15000100~18000100~20000
Vertical linearity error≤3%≤2%
Dynamic Range≥32dB≥35dB
Horizontal linearity error≤0.2%≤0.1%
Testing sensitivity≥62dB (Depth 200mm, Φ2 flat bottom hole)≥65dB (Depth 200mm, Φ2 flat bottom hole)
Measuring channel50100
TCG curve
B Scan
PC Connection
Gain Range(dB)0~1100~1200~130
Standard ProbesStraight probe: 2.5MHz, diameter 20mm, cable Q9-Q9

Angle probe: 4MHz, 60 degree, 8*9 mm, cable Q9-C5

Standard DeliveryMain Unit、Straight probe、Angle probe、Power adapter、BNC cables、PC software, Manual,Certificate, Warranty card
Optional AccessoriesOptional probes, Cables, Calibration blocks, Coupling agent





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