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How to test the inductance AL? Why it should be tested in 5 Gauss?
Date：2014-06-05 Tag：2013 Source：POCO
The inductance changes along with the voltage and frequency when it is tested on bridge, with magnetic flux density less than 10 Gauss. Let the cores or toroid cores correctly position around the coil, and make sure that the turns is correct. The test at low Gauss level is very important. The magnetic material’s properties continuous change along with the increasing driving power. Due to a variety of different applications, the manufacturer must standardize the material’s characteristics of low power, to ensure the consistent degree of magnetic properties, namely “comparison”.
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