As the scale wheel is turned the force is progressively increased until the magnet lifts from the surface.
Force is applied through a helical spring attached to the balanced arm at one end and to a scale wheel at the other.
Permanent Magnet Coating Thickness GaugesĪ permanent magnet is mounted on a balanced arm and the force required to pull this magnet from the surface of the coating is a measure of the thickness of the coating. The eddy current principle is used for non-conductive coatings on non-ferrous metals substrates. The principle of electromagnetic induction is used for non-magnetic coatings on magnetic substrates such as steel. The Elcometer range of digital coating thickness gauges has been specifically designed to provide highly accurate, reliable and repeatable coating thickness measurements on almost any substrate, whether ferrous or non-ferrous.Įlcometer offer a range of digital coating thickness gauges from the next generation Elcometer 456 - available with either integral or separate probes, the Elcometer 415 Industrial Paint & Powder Thickness Gauge, to the Elcometer 311 Automotive Paint Meter.ĭry film thickness can be measured on either magnetic steel surfaces or non-magnetic metal surfaces such as stainless steel or aluminium using a digital coating thickness gauge. Mechanical Coating Thickness Gauges are suitable for working in high risk areas such as high temperature or flammable atmospheres, underwater or where the risk of explosion is high and could be triggered by the use of an electronic instrument.įrom the simplest coating thickness gauge Elcometer 101 which will provide you with quick and immediate results to the more accurate coating thickness gauge Elcometer 211, also called the "banana gauge" which is ideal for cold and underwater surfaces. The Elcometer range of mechanical coating thickness gauges provides cost-effective dry film thickness measurement. The Elcometer range of non-destructive coating thickness gauges includes mechanical and digital coating thickness gauges, suitable for dry film testing, complete with a wide range of probes and calibration foils to suit your application. The paint inspection gauge, commonly known as the P.I.G, is a popular method for determining dry film thicknesses on non-metallic substrates. The Elcometer range of destructive coating thickness gauges includes the Elcometer 121/4 Paint Inspection Gauge. Coating Thickness GaugesĮlcometer offers a wide range of coating thickness gauges to measure dry film thickness. Electromagnetic induction is used for non-magnetic coatings on ferrous substrates such as steel, whilst the eddy current principle is used for non-conductive coatings on non-ferrous metal substrates.
Digital coating thickness gauges are ideal to measure coating thickness on metallic substrates. The non-destructive coating thickness measurements can be taken on either magnetic steel surfaces or non-magnetic metal surfaces such as stainless steel or aluminium.
PAINT DEPTH GAUGE DETAILING HOW TO
How to measure Dry Film Thickness?ĭry film thickness (DFT) can be measured using two methods: destructive thickness measurement, where the coating is cut to the substrate using a cutter and non-destructive coating thickness measurement, using techniques which do not damage the coating or the substrate such as magnetic, magnetic induction and eddy current thickness measurement methods. Dry film thickness measurements can be used to evaluate a coating’s expected life, the product’s appearance and performance, and ensure compliance with a host of International Standards. Dry film thickness is probably the most critical measurement in the coatings industry because of its impact on the coating process, quality and cost.
PAINT DEPTH GAUGE DETAILING SOFTWARE
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