Coating thickness gauge is a kind of equipment used to measure the thickness of coating or film on the surface of samples. Generally, different types of coatings can be measured according to different measurement principles and application scenarios.
Generally speaking, coating thickness gauges can be divided into two types: fireproof coating thickness gauges and anticorrosive coating thickness gauges. Different types of coating thickness gauges have different measuring principles and application ranges.
The thickness gauge of fire retardant coatings usually adopts the principle of magnetic or inductive thickness measurement, which is suitable for measuring the thickness of fire retardant coatings or other magnetic coatings. The thickness gauge of anticorrosive coating usually adopts eddy current or eddy current thickness measurement principle, which is suitable for measuring the thickness of anticorrosive coating or other non-magnetic coating on metal surface.
Therefore, different types of coating thickness gauges have different measuring ranges and application ranges, so it is necessary to select a suitable coating thickness gauge for measurement according to specific measurement requirements. If it is necessary to measure the thickness of fire-retardant coating and anti-corrosion coating, it is necessary to use two different types of coating thickness gauges for measurement.