When electric insulation is required, non-metalliccoating, protective non-metallic tube or insulating joint, etc., can be adopted for the insulation implementation.
当要求电气绝缘时，可采用非金属镀层、非金属外保护套管或绝缘接头等方式来实现。
2
It is mainly used in the thickness measurement of nonmetal coating mantled on metallic substance. At the same time the sensor can meet the high precision non-contact request in industrial measurement.