Ultrasonic Thickness Measurement

Ultrasonic thickness gauges are used for fast and reliable non-destructive material thickness measurement where access is only available from one side of the test piece. This collection includes professional ultrasonic thickness measurement instruments for corrosion monitoring, wall thickness inspection, pipework testing and industrial quality control applications.

5 products

Sauter TB Ultrasonic Thickness Gauge

From £272.11

Sauter TN-US Ultrasonic Thickness Gauge

From £512.88

Sauter TN GOLD Ultrasonic Thickness Gauge

From £616.00

Sauter TN=EE digital thickness gauge with probe on a white background

Sauter TN-EE Ultrasonic Thickness Gauge

From £808.56

Sauter ultrasonic thickness gauge with a cable on a white background

Sauter TD-US Ultrasonic Thickness Gauge

From £373.49

Professional Ultrasonic Thickness Measurement Instruments

Ultrasonic thickness measurement instruments are widely used throughout manufacturing, oil and gas, engineering, marine, fabrication, power generation and maintenance industries for non-destructive wall thickness inspection and corrosion monitoring. By using ultrasonic sound waves to calculate material thickness, these instruments allow operators to measure components from a single accessible side without cutting, dismantling or damaging the test piece.

This collection includes professional ultrasonic thickness gauges suitable for measuring the thickness of metals, plastics and other suitable ultrasonic wave-conductive materials across a wide range of industrial applications. Commonly used for pipework inspection, pressure vessels, tanks, structural components, fabricated assemblies and general maintenance inspection, ultrasonic thickness gauges provide fast and repeatable thickness measurement for both workshop and on-site environments.

Portable ultrasonic thickness gauges are particularly valuable within corrosion monitoring applications where ongoing wall loss must be checked without damaging coatings or removing components from service. Many modern ultrasonic thickness measurement instruments support high-resolution readings, external probes, data output functions and material velocity adjustment to improve accuracy across different materials and applications.

Some advanced ultrasonic thickness gauges are capable of measuring through protective coatings, reducing the need to remove paint or surface finishes before inspection. This can help reduce inspection time and minimise disruption within industrial maintenance environments.

Ultrasonic thickness measurement is widely used because it provides accurate non-destructive testing while requiring access to only one side of the material. Instruments are commonly used by maintenance engineers, NDT inspectors, fabrication companies, mechanical engineering teams and quality control departments requiring reliable material thickness verification across industrial environments.

Modern digital ultrasonic thickness gauges may include USB or RS-232 connectivity, data logging, A-scan display functions and multiple measurement modes depending on the model. Selecting the correct ultrasonic thickness gauge helps improve inspection reliability, corrosion monitoring accuracy and long-term condition assessment procedures.

Understanding Ultrasonic Thickness Measurement

Ultrasonic thickness measurement is a non-destructive testing method used to determine the thickness of a material by measuring the time taken for an ultrasonic pulse to travel through the material and return to the probe. Because the measurement only requires access from one side, ultrasonic thickness gauges are widely used for inspecting pipework, tanks, vessels and structural components without dismantling equipment or damaging the test piece.

Ultrasonic thickness gauges are commonly used for corrosion monitoring, wear detection and routine inspection within industries including oil and gas, marine, manufacturing, aerospace and power generation. The ability to carry out rapid thickness checks on installed equipment makes ultrasonic testing particularly useful for preventative maintenance and condition monitoring programmes.

Many ultrasonic thickness gauges use external probes and couplant gel to ensure reliable sound transmission into the material surface. Some advanced instruments can also measure through protective coatings, helping reduce preparation time during inspection work.

Modern digital ultrasonic thickness gauges often include adjustable material velocity settings, memory storage, USB data output and multiple measuring modes for improved inspection flexibility. High-resolution models are available for precision engineering applications where detailed wall thickness analysis is required.

Corrosion monitoring

Ultrasonic thickness gauges are widely used for monitoring corrosion and wall loss within pipelines, tanks, pressure vessels and industrial infrastructure.

Non-destructive material testing

Ultrasonic thickness measurement allows thickness inspection without cutting or damaging the material being tested, making it suitable for routine industrial inspection work.

Through-coating thickness measurement

Some ultrasonic thickness gauges can measure remaining substrate thickness through paint and protective coatings, reducing preparation requirements during inspection procedures.

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Ultrasonic thickness gauge applications

Ultrasonic thickness measurement instruments are used across a wide range of industries where non-destructive wall thickness inspection and corrosion monitoring are required.

Pipework and pressure vessel inspection

Ultrasonic thickness gauges are commonly used for checking wall thickness and corrosion levels in pipework, tanks, boilers and pressure vessels within industrial maintenance programmes.

Manufacturing and fabrication

Thickness measurement instruments are widely used within fabrication, machining and manufacturing environments for checking material thickness, production consistency and component quality.

Marine and offshore inspection

Ultrasonic thickness testing is regularly used within marine, offshore and structural inspection applications for monitoring corrosion and material condition on ships, platforms and steel structures.

How to choose ultrasonic thickness gauges

Selecting the correct ultrasonic thickness gauge depends on the material type, thickness range, inspection environment and required measurement resolution.

Consider the material and application

Check that the ultrasonic thickness gauge is suitable for the materials being tested, including steel, aluminium, plastics or coated surfaces. Different probes and measurement modes may be required depending on the application.

Review measurement range and resolution

High-resolution ultrasonic thickness gauges are useful for precision engineering and thin-wall inspection, while broader-range models may be better suited to heavy industrial or structural applications.

Check portability and data functions

Portable handheld ultrasonic thickness gauges are ideal for field inspection and maintenance work. Some models also include data logging, USB output and A-scan display functions for reporting and advanced inspection procedures.

Consider coating measurement requirements

If components are painted or coated, consider ultrasonic thickness gauges capable of through-coating measurement to reduce preparation time and avoid unnecessary coating removal.

Ultrasonic Thickness Gauge FAQs

Choosing the correct ultrasonic thickness gauge depends on the material being tested, inspection environment and the level of measurement detail required. Below are answers to some common questions relating to ultrasonic wall thickness measurement and non-destructive testing.

What is an ultrasonic thickness gauge used for?

An ultrasonic thickness gauge is used for non-destructive measurement of material thickness, commonly for corrosion monitoring, wall thickness inspection and maintenance testing.

Can ultrasonic thickness gauges measure through paint?

Some advanced ultrasonic thickness gauges can measure material thickness through protective coatings and paint without requiring coating removal.

What materials can be measured with an ultrasonic thickness gauge?

Ultrasonic thickness gauges are commonly used on metals, plastics, glass and other suitable ultrasonic wave-conductive materials depending on the instrument and probe type.

Do ultrasonic thickness gauges require access to both sides of the material?

No. Ultrasonic thickness measurement only requires access to one side of the test piece, making it highly suitable for installed equipment and difficult-to-access structures.