The difference between F, N, and FN in coating thickness gauges
F represents ferrous ferromagnetic substrate. The F-type coating thickness gauge uses the principle of electromagnetic induction to measure non ferromagnetic coatings and coatings on ferromagnetic metal substrates such as steel and iron, such as paint, powder, plastic, rubber, synthetic materials, phosphating layer, chromium, zinc, lead, aluminum, tin, cadmium, porcelain, enamel, oxide layer, etc.
N represents Non ferrous non-ferromagnetic matrix, and the N-type coating thickness gauge adopts the principle of eddy current; To measure enamel, rubber, paint, plastic layers, etc. on substrates such as copper, aluminum, zinc, tin, etc. using eddy current sensors.
The FN type coating thickness gauge adopts both electromagnetic induction principle and eddy current principle, and is a two in one type coating thickness gauge of F and N types.
Function: Measure the thickness of non-conductive coatings on magnetic objects and non-conductive coatings on non-magnetic metal substrates
Application: Use magnetic sensors to measure non ferromagnetic coatings and coatings on ferromagnetic metal substrates such as steel and iron, such as paint, powder, plastic, rubber, synthetic materials, phosphating layers, chromium, zinc, lead, aluminum, tin, cadmium, porcelain, enamel, oxide layers, etc. Measure enamel, rubber, paint, plastic layers, etc. on substrates such as copper, aluminum, zinc, tin, etc. using eddy current sensors. Widely used in manufacturing, metal processing, chemical industry, commercial inspection and other testing fields.
