Leeb432A is a professional multi-functional surface roughness testing instrument developed by Chongqing Leeb Instrument. With advanced piezocrystal sensing technology and high-speed data processing system, it provides accurate, stable and repeatable surface roughness measurement results for various industrial workpieces.
This tester can measure flat, curved, cylindrical, grooved and micro-hole parts, covering precision components in machinery, molds, automobiles, aerospace and electronic industries. It supports complete international standard roughness parameters and multiple sampling lengths, fully meeting global testing specifications. The high-precision diamond probe ensures delicate and non-damaging detection of precision surfaces.
Featuring high-definition OLED screen, intelligent tolerance alarm and mass data storage function, it greatly improves inspection efficiency and quality management accuracy. The portable lightweight design and long-life rechargeable battery adapt to on-site workshop batch detection and outdoor field testing. With stable performance, wide applicability and high precision, Leeb432A is a reliable professional device for industrial quality control and laboratory precision testing.
Leeb432A surface roughness tester features ultra-high 0.001μm resolution. It offers measuring range Ra 0.005–16μm and Rz 0.02–160μm. Optional cutoff lengths include 0.25mm, 0.8mm and 2.5mm with matched evaluation lengths. The measurement accuracy is ≤±6% and repeatability less than 6%, ensuring reliable and consistent test results. It adopts 90° diamond probe, supports multi-parameter synchronous testing, and is fully compliant with international mainstream testing standards.
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