UT Thickness Gauge

Are you looking for the best place to get a UT thickness gauge? At Cygnus Instruments, we are an industry pioneer with over 40 years of experience developing and supplying high-quality ultrasonic thickness (UT) gauges. Our advanced technology ensures accurate thickness measurements even through coatings and corrosion, making our products essential in a wide range of industrial applications globally.

Our UT thickness gauges are designed to provide precise and reliable measurements, even in the harshest environments. At Cygnus Instruments, we understand the critical importance of accurate thickness measurements in maintaining the integrity and safety of your assets. Our UT thickness gauges are trusted by professionals across multiple industries, from marine to energy sectors. So, stay with us and explore!

What is a UT Thickness Gauge?

Cygnus ROV UTM Mountable Ultrasonic Thickness Gauge Kit scaled

UT Thickness Gauge

A UT thickness gauge is an essential tool used to measure material thickness precisely in various industries worldwide. These ultrasonic thickness gauges, or UTG measurement meters, are crucial in determining the thickness of materials such as metal, plastic, glass, and more. The primary function of a UK thickness gauge is to use ultrasonic waves to measure the thickness of a material by sending a pulse through it and recording the time it takes for the pulse to return.

Ultrasonic thickness gauges are widely used in industries such as oil and gas, marine, construction, and manufacturing to conduct non-destructive testing (NDT) to ensure structural integrity and safety. These devices can also measure coating thickness, making them versatile quality control and maintenance tools. UK thickness gauges come in various forms, including handheld devices for on-site measurements and larger units for more specialised applications.

In addition to measuring thickness, ultrasonic gauges can be used as coating testers to determine the thickness of protective coatings applied to surfaces. This capability is precious in industries where coating thickness is critical for corrosion protection or aesthetics.

Advantages of Using UT Thickness Gauges

UT thickness gauges offer numerous benefits, making them indispensable tools across various industries. Here are some key advantages:

  • Accurate and Reliable Measurements

UT thickness gauges provide highly accurate and reliable measurements, ensuring the integrity and safety of structures and equipment. This precision is crucial for detecting corrosion and material degradation early, allowing for timely maintenance and repairs.

  • Non-Destructive Testing

One significant advantage of UT thickness gauges is their non-destructive nature. These gauges measure thickness without damaging the material or its protective coatings. This capability is essential for applications where maintaining the integrity of the surface is critical, such as in the marine and aerospace industries.

  • Versatility in Applications

UT thickness gauges are versatile and can be used on various materials, including metals, plastics, and composites. This adaptability makes them suitable for multiple industrial applications, from ship hull inspections to oil and gas pipelines and civil engineering structures.

  • Ability to Measure Through Coatings

Advanced UT thickness gauges, like those from Cygnus Instruments, use multiple echo technology to measure through coatings and corrosion accurately. This feature saves time and effort by eliminating the need to remove protective coatings before measurement, preserving the material’s integrity.

  • Comprehensive Data Logging

Many UT thickness gauges come equipped with data logging capabilities, allowing users to store and analyse measurement data over time. This feature is invaluable for monitoring material conditions and making informed maintenance decisions.

Types of UT Thickness Gauges

Understanding the different types of UT thickness gauges and their measurement techniques is essential for selecting the right tool for specific applications. Here are the primary kinds of UT thickness gauges:

  • Single-Echo UT Thickness Gauges

Single-echo UT thickness gauges work by emitting a single ultrasonic pulse into the material. The pulse travels through the material and reflects from the opposite surface. The gauge calculates the material’s thickness by measuring the time it takes for the echo to return.

  • Echo-Echo UT Thickness Gauges

Echo-echo UT thickness gauges are designed to measure the thickness of materials through coatings. They emit two ultrasonic pulses and measure the time between the echoes from the coating-substrate interface and the back wall.

  • Multiple-Echo UT Thickness Gauges

Multiple-echo UT thickness gauges use advanced technology to measure thickness in coatings and corrosion. They emit multiple ultrasonic pulses and measure the time between successive echoes, ensuring highly accurate thickness measurements, even in coatings or corrosion.

  • Through-Paint UT Thickness Gauges

Through-paint UT thickness gauges are specifically designed to measure the thickness of substrates without removing the paint or coating. They use advanced algorithms to differentiate between the coating and the substrate, providing accurate thickness measurements of the base material.

Maintenance and Calibration of UT Thickness Gauges

Moving on from the discussion on the types of UT thickness gauges available, ensuring proper maintenance and calibration of these instruments is vital for accurate and reliable measurements in industrial applications.

Regular maintenance helps guarantee the longevity and optimal performance of the UT thickness gauges. It’s essential to follow the manufacturer’s guidelines for upkeep, including cleaning the device after use to prevent buildup, storing it in a suitable environment, and inspecting for any signs of wear or damage.

Calibration is another crucial aspect of maintaining the precision of the measurements. Periodic calibration ensures the gauge provides accurate readings and retains its reliability over time. Trained professionals or certified calibration laboratories should conduct calibration to adhere to industry standards and ensure the gauge’s accuracy.

Avail the UT Thickness Gauge Service with Cygnus Instruments

At Cygnus Instruments, we offer excellent service for UT thickness gauges and take pride in providing outstanding support for our range of ultrasonic thickness gauges. Our services ensure that your equipment functions optimally and delivers accurate results consistently.

When you choose Cygnus for your UTM gauge service needs, you can trust that you’re working with a company with decades of industry experience. Our dedication to quality and customer satisfaction drives us to deliver reliable services that meet the highest standards.

Factors Affecting Measurement Accuracy

Several factors can influence the accuracy of the measurements when using UT thickness gauges. Understanding these factors helps ensure precise and reliable results, which is crucial for maintaining the integrity and safety of structures and equipment. Here are the key factors that affect measurement accuracy:

  • Surface Condition

The surface condition of the material being measured significantly impacts the accuracy of UT thickness measurements. A smooth, clean surface provides the best conditions for accurate readings. Rough, dirty, or corroded surfaces can scatter the ultrasonic waves, leading to inaccurate results.

  • Probe Selection

The type and frequency of the ultrasonic probe used can influence measurement accuracy. Different probes are designed for specific materials and thickness ranges. Selecting the appropriate investigation for the measured material and thickness ensures accurate results.

  • Material Properties

The material’s inherent properties, such as its density, grain structure, and temperature, can affect the accuracy of UT thickness measurements. Materials with coarse grain structures or varying densities can scatter and attenuate the ultrasonic waves, leading to inaccurate readings.

Why Should You Choose Us?

Our unwavering commitment to precision and reliability makes our ultrasonic thickness gauges the top choice for industries worldwide. We have established ourselves as experts in delivering the most accurate ultrasonic equipment with simplicity at its core. Our origins in marine inspection services have shaped our philosophy of creating robust, user-friendly products that excel in harsh environments.

At Cygnus, we invest heavily in market research and product development, always prioritising customer feedback to drive our innovations. Our range of ultrasonic thickness gauges sets the standard for accuracy, featuring Echo-Echo and Single-Echo measurement modes, advanced data loggers, and live waveform capabilities that enhance usability.

Our products are used in various industries, from explosive environments in oil and gas to subsea inspections in offshore engineering. Whether used for ship hull inspections, asset integrity maintenance, or vehicle upkeep, our ultrasonic thickness gauges are trusted for their reliability and accuracy.


Customer satisfaction remains at the core of Cygnus Instruments’ mission, as reflected in the testimonials we receive. These testimonials testify to our ultrasonic thickness gauges’ quality, reliability, and performance. Visit our website to see the reviews.

Contact Us!

If you need to contact us, call +44 (0) 1305 265 533 or email sales@cygnus-instruments.com.

We are always here to assist you with enquiries regarding our ultrasonic thickness gauges, leak detectors, or flooded member detection systems. Whether you are looking for technical support or product information or are interested in purchasing our dedicated team is ready to help.

At Cygnus Instruments, customer satisfaction is our top priority. We value every interaction and strive to respond promptly and accurately to all your questions. Our contact information is easily accessible, ensuring that contacting us is hassle-free.