Coating Thickness Meters

Coating thickness meters are used for fast, non-destructive measurement of paint, plating, anodising and protective surface coatings on metallic substrates. This collection includes professional coating thickness gauges suitable for inspection, manufacturing, automotive, metal finishing and industrial quality control applications.

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3 products

Sauter TB Coating Thickness Meter - GNW InstrumentationSauter TB Coating Thickness Meter - GNW Instrumentation
Sauter TB Coating Thickness Meter Sale priceFrom £238.00
Sauter JCT Coating Thickness Gauge - GNW InstrumentationSauter JCT Coating Thickness Gauge - GNW Instrumentation
Sauter JCT Coating Thickness Gauge Sale priceFrom £315.00
Sauter TE Coating Thickness Meter - GNW InstrumentationSauter TE Coating Thickness Meter - GNW Instrumentation
Sauter TE Coating Thickness Meter Sale priceFrom £326.00

Further Reading

Understanding Coating Thickness Measurement

Coating thickness measurement is a non-destructive testing method used to determine the thickness of paint, plating, anodising, galvanising and protective surface coatings applied to metallic substrates. Measuring coating thickness accurately is important for maintaining product quality, corrosion resistance and compliance with industrial coating specifications.

Most modern coating thickness gauges use magnetic induction or eddy current technology depending on the substrate material. Magnetic induction gauges are typically used for measuring non-magnetic coatings on ferrous substrates such as steel, while eddy current instruments measure non-conductive coatings on conductive non-ferrous substrates such as aluminium. Combination FN gauges can automatically detect the substrate type during measurement.

Coating thickness meters are widely used because they provide rapid, repeatable measurements without damaging the coating or substrate. Portable handheld instruments are particularly useful within automotive inspection, production quality control, fabrication, aerospace and maintenance environments where fast verification of coating consistency is required.

Many professional coating thickness gauges support advanced functions such as calibration memory, statistical analysis, pass/fail alarms, batch storage and USB data output. These features help improve inspection workflows and support traceable reporting procedures within quality-controlled industries.

Regular calibration and verification are important for maintaining accurate coating thickness measurement performance. Many industrial users require optional ISO calibration certification or traceable verification procedures as part of internal quality systems and inspection routines.

Magnetic induction measurement

Magnetic induction coating thickness gauges are used for measuring non-magnetic coatings on ferrous metals such as steel and iron.

Eddy current coating measurement

Eddy current gauges are designed for measuring non-conductive coatings on conductive non-ferrous metals including aluminium and copper alloys.

Combination FN coating gauges

FN coating thickness gauges automatically detect ferrous and non-ferrous substrates, making them suitable for varied industrial inspection applications.

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Coating thickness meter applications

Coating thickness meters are used across a wide range of industrial inspection and quality control applications where accurate coating measurement is required.

Automotive paint inspection

Coating thickness gauges are widely used within automotive inspection and refinishing applications for checking paint thickness, identifying repairs and verifying coating consistency.

Metal finishing and electroplating

Industrial coating thickness meters are commonly used for measuring plated coatings, anodised finishes and surface treatments within manufacturing and finishing environments.

Corrosion protection inspection

Coating thickness gauges help verify protective coatings on structural steelwork, pipelines, marine equipment and fabricated assemblies where corrosion resistance is important.

How to choose coating thickness meters

Selecting the correct coating thickness gauge depends on the substrate material, coating type, measurement range and inspection environment.

Check the substrate material

Ferrous gauges are used for steel and iron substrates, while non-ferrous gauges are designed for aluminium and conductive non-ferrous metals. FN combination gauges support both substrate types.

Consider coating type and thickness range

Different instruments support different coating ranges and applications including paint, galvanising, anodising and powder coating measurement. Ensure the selected gauge covers the required measurement range.

Review inspection and reporting requirements

Digital coating thickness meters with memory storage, statistical functions and USB or RS-232 output may be useful for production reporting and quality assurance procedures.

Consider portability and calibration

Portable handheld coating thickness gauges are ideal for field inspection and site work. Regular calibration and optional ISO certification help maintain reliable measurement performance.

Coating Thickness Meter FAQs

Choosing the correct coating thickness meter depends on the coating type, substrate material and the level of measurement accuracy required. Below are answers to some common questions relating to coating thickness gauges and non-destructive coating inspection.