Leeb320, Leeb321 and Leeb322 are professional portable ultrasonic thickness gauges manufactured by Chongqing Leeb Instrument. Using advanced ultrasonic non-destructive testing principle, these devices can accurately measure the wall thickness and residual thickness of various solid materials without damaging workpieces.
They are widely used to detect plates, pipes, pressure vessels, castings and mechanical parts, effectively monitoring material corrosion, wear and thinning degree during equipment operation. Equipped with automatic zero calibration, adjustable sound velocity and real-time coupling prompt, the testers greatly reduce manual errors and ensure reliable test results. The tolerance alarm function helps operators quickly screen unqualified products and improve inspection efficiency.
With backlight display, unit switching and intelligent power-saving functions, the gauges adapt to various complex working environments. Lightweight and portable design supports long-time field operation. Leeb320 is cost-effective for daily routine testing, Leeb321 offers wider range and stronger compatibility, and Leeb322 provides ultra-high precision for high-standard quality inspection. They are essential NDT testing equipment for petrochemical, pipeline engineering, steel structure and mechanical manufacturing industries.
Leeb320 is the basic economical model, with measuring range 1-250mm, fixed default sound velocity of 5920m/s, 0.1mm resolution, standard testing accuracy, supporting routine thickness measurement of steel and common metal workpieces.
Leeb321 is the upgraded standard model, with wider measuring range 0.7-300mm, adjustable sound velocity from 1000-9999m/s, 0.1mm resolution, improved stability and applicability, suitable for multi-material industrial thickness detection.
Leeb322 is the high-precision top model, with measuring range 0.7-300mm, 0.01mm ultra-fine resolution, precise accuracy of ±(1%H+0.1)mm, full sound velocity adjustment and complete data functions, specially designed for high-precision thickness testing and strict quality control scenarios.
All three models feature 130×70×25mm compact size, about 0.2kg lightweight body, powered by 2 AAA batteries with up to 200 hours long working time.
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