EVIDENT is a leading source of ultrasonic thickness gauges for accurately measuring the thickness of many types of material.Our digital thickness gauges offer a range of features for advanced performance. Explore different options to suit your application needs, from simple handheld gauges to advanced models. All of our ultrasonic thickness gauges can measure thickness from one side of a part. An ultrasonic thickness gauge can measure most engineering materials, including plastics, metals, metal composites, rubber, and internally corroded materials. Evident is also a leading manufacturer of Hall-effect thickness gauges, which are ideal if you’re looking to achieve fast, precise, and accurate measurements on nonferrous or thin materials, such as plastic bottles. |
Our range of digital thickness gauge solutions includes basic handheld thickness gauges, advanced ultrasonic gauges, and single and dual element transducers.
The 72DL PLUS™ advanced ultrasonic thickness gauge delivers precision thickness measurements at high speed in a portable, easy-to-use device. Compatible with single element transducers up to 125 MHz, this innovative thickness measuring tool is ideally suited to determine the thickness of ultra-thin materials, including multilayer paint, coatings, and plastic. It can simultaneously display the thickness of up to 6 layers.
The versatile 38DL PLUS™ gauge can be used with dual element transducers for measuring the thickness of corroded pipes to very precise thickness measurements of thin or multilayer materials with a single element transducer.
The 45MG advanced ultrasonic thickness gauge is packed with standard measurement features and software options. This unique thickness measuring tool is compatible with our complete range of dual element and single element thickness gauge transducers.
The Magna-Mike™ 8600 Hall-effect thickness gauge uses a magnetic probe to accurately measure the thickness of nonferrous and thin materials such as plastic bottles.
The 27MG basic ultrasonic thickness gauge is designed to accurately measure thickness from one side on internally corroded or eroded metal pipes and parts. It is lightweight, durable, and ergonomically designed for easy, one-hand operation.
The 35RDC composite damage checker is a simple go/no-go ultrasonic gauge designed to detect subsurface defects caused by impact damage on aircraft composite structures.
Evident offers a variety of single and dual element transducers and accessories for precision and corrosion thickness gauging.
A thickness gauge is a device used to quickly and easily measure the thickness of a material. A thickness gauge is useful for many industries but is most commonly used in engineering and manufacturing to help ensure material thickness complies with industrial standards and regulations. As well as measuring the thickness and density of a material, a thickness gauge can be used as an additional quality assurance tool in industries such as automotive manufacturing to measure the uniformity of the material and help identify hidden damages or imperfections.
Different factors can affect the price and cost of a thickness gauge, such as the transducer frequency, thickness measurement application, and software capabilities. We offer free quotes and demos so that you can test and evaluate gauges pre-purchase; contact us to learn more.
Hall-effect thickness gauges, such as the Magna-Mike™ 8600 gauge, use a sensor that responds to changes in a magnetic field by varying a voltage. Using a small magnetic target, they can accurately measure the thickness of nearly any non-magnetic material where a probe can be placed on one side and a target, like a steel ball, on the other. Hall-effect gauges are also called magnetic gauges.
If you’re looking to measure the thickness of a pipe, an ultrasonic thickness gauge should be used. A handheld thickness gauge, such as the 27MG gauge, will offer accurate measurements from one side of metal pipes and parts that are thinning due to erosion or corrosion.
To accurately measure the thickness of a metal without damaging it, an ultrasonic thickness gauge should be used.
A mil (or thou) is a unit of thickness that equals one thousandth of an inch (0.001 inches). Example: 10 mils = 0.010 inches. Mil thickness is commonly used in manufacturing in non-metric countries to measure the thickness of various thin materials, such as paint layers, thin films, foils, plastic sheets, and coatings.
A micron (µm) is a small unit of thickness that equals one-millionth of a meter (0.000001 meters) and one-thousandth of a millimeter (0.001 millimeters). Micron is the shortened word for micrometer and is the closest metric unit to a mil (25.4 microns = 1 mil).
Ultrasonic thickness gauges can measure paint thickness nondestructively. For example, high-frequency thickness gauges such as the 72DL PLUS instrument offer features that can calculate total paint thickness and simultaneously display paint thickness measurements of up to six individual layers. Paint thickness is expressed in mils or microns.
To measure the thickness of plastic nondestructively, a Hall-effect or ultrasonic thickness gauge should be used. The thickness of plastic is often expressed in mils or microns.
Introduction to the 38-Link™ Wireless Communication Tool for the 38DL PLUS Ultrasonic Thickness GaugeThe 38-Link adapter enables any existing 38DL PLUS gauge to send and receive data using a Bluetooth® or wireless LAN connection, enabling more efficient workflows. |
38DL PLUS Ultrasonic Thickness Gauge Echo to Echo vs.THRU-COATLearn about the differences between the echo-to-echo and THRU-COAT measurement techniques on the 38DL PLUS thickness gauge. | 38DL PLUS_Echo to Echo vs.Thru-Coat![]() 38DL PLUS Product Overview![]() 38DL PLUS Drop Test![]() 38DL PLUS_Zero & Calibrate a Dual Probe![]() 38DL PLUS_Zero and Calibrate a Thru-Coat Probe![]() 38DL PLUS_Recall Calibrate Store Single Element Transducer setup![]() |
Introducing the 45MG Ultrasonic Thickness GaugeThe 45MG gauge is packed with standard measurement features and software options. Compatible with our full range of dual element and single element thickness gauge transducers, this innovative instrument can solve virtually every thickness gauging application. | 45MG Product Introduction Video![]() 45MG Drop Test![]() |
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