The diameter of eddy current conductivity meter's probe is usually between 13mm and 14mm, but model B has a big probe and a small probe whose diameter is 8mm. The probe is used of electromagnetic shielding technology, that the measured material needn't be more than twic...
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Eddy current measurements of the conductivity of low-conductance composition materialsConductivity meters used with low-conductance composition materials operating at frequencies higher than i0 MHz cannot be calibrated with the aid of o simulators since at f = I0 MHz the electromagnetic field ...
SREC101 is a kind of eddy current electrical conductivity meter, which is designed for quick & convenient measurement of material property, such as material separate, quality control, material state check and so on. It uses the electromagnetism testing principle. Testing objects focus on non-ferroma...
The conductivity of the surface layers of a metal is measured industrially by eddy-current conductivity meters which need to be calibrated. The method described here allows the resistivity of an annular specimen, as measured by the eddy-current losses at frequencies in the range 10100 kHz, to be...
Eddy Current Examination of Nonmagnetic Heat Exchanger Tubes Eddy Current Sorting of Nonferrous Metals Eddy Current Measurements of Electrical Conductivity Eddy Current Examination of Continuously Welded Ferromagnetic Pipe and Tubing above the Curie Temperature ...
The SigmaCheck is ETher NDE’s Eddy Current Conductivity Meter. The best place to start to understand how it works is to look at the theory of conductivity.Electrical conductivity is the measurement of a material's ability to conduct an electric current. This is the inverse of electrical ...
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电涡流(eddy current).doc,电涡流(eddy current) Eddy current displacement sensor experiment An experimental objective: to understand the working principle and characteristics of displacement measurement of eddy current sensor. Two basic principle: eddy
An eddy-current apparatus for measuring the conductivity of a conductive material and for reducing the influence of lift-off on conductivity measurements is provided. The apparatus includes a probe for inducing an eddy-current in a conductive material and a digital LCR meter for measuring the impeda...