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This section provides an overview for ae sensors as well as their applications and principles. Also, please take a look at the list of 14 ae sensor manufacturers and their company rankings. Here are the top-ranked ae sensor companies as of December, 2024: 1.Guzik, 2.Qing Cheng, 3.ACCRETECH.
Table of Contents
An AE Sensor is a type of vibration sensor that detects a specific vibration (AE wave).
AE stands for Acoustic Emission, a phenomenon in which acoustic waves are emitted as elastic waves when a part of an object is deformed or damaged, or when a shock is applied.
AE Sensors are used to detect this phenomenon, which is caused by minute degradation that occurs long before the object is completely damaged.
AE Sensors are used for predictive maintenance of industrial facilities and quality control of products.
AE Sensors are used in a variety of applications, including product quality control and safety control. There are two types of AE sensors: a narrow-band type that reacts strongly in a specific narrow frequency band and a wide-band type that reacts in a wide frequency band, which can be used for different purposes.
Narrow-band AE Sensors are used in applications such as predictive maintenance of motor deterioration and detection of defects in metal welding such as pipes. Narrow-band AE Sensors do not react to vibrations from normally operating motors or welding, but can detect AE waves that are generated only when an abnormality occurs.
The wide-band AE Sensor is used to detect foreign objects inside products and to detect signs of landslides in the ground. By using the broadband AE Sensor, it is possible to detect minute fragments of solder falling from a unit board inside a product or minute vibrations that may be a precursor to a landslide in the ground.
AE Sensor detects AE waves by using a special piezoelectric element. Materials commonly used as piezoelectric elements are lithium niobate, lead niobate, and lead zirconate titanate (PZT). These elements are characterized by the fact that an electric charge is generated when pressure is applied. Therefore, by bringing these piezoelectric elements into contact with a vibrating object, they can receive a voltage from the piezoelectric element and function as a sensor.
In addition, these piezoelectric elements output a strong voltage when subjected to pressure from vibrations in the ultra-high frequency range (10 kHz to several MHz), such as AE waves, making it possible to detect only vibrations in a specific frequency band.
Both sensors use piezoelectric elements to convert mechanical vibration into electricity. However, they differ in the frequency range for which they are suitable. Vibration acceleration sensors are suitable for detection in a relatively low frequency range, such as 5 to 20 kHz.
AE Sensors, on the other hand, detect higher frequency vibrations than vibration sensors. By detecting higher frequencies, early defects can be detected at an early stage.
In some cases, AE sensors have been applied to low-speed rotating bearings, which are difficult to diagnose with vibration sensors. This is because AE Sensor captures acoustic emissions, which are energy waves generated by micro-level breakdown.
Acoustic emissions are like ripples on the surface of water. When metal-to-metal contact occurs, acoustic emissions propagate through the metal of the equipment surface and are detected by the AE Sensor. Since acoustic emissions are generated even from small scratches and friction, it is possible to detect problems at an early stage.
When installing AE Sensor, the mounting position is important. If the AE sensor can be mounted directly on the object to be detected, it has the best detection sensitivity and is not a problem.
On the other hand, if it is not possible to mount the AE sensor directly on the target, it is important to mount it as close as possible to the target. An acoustic path must be formed between the target and the AE Sensor, and when installing the AE Sensor, silicone grease or similar material should be applied to the surface of the target to make it adhere to the AE Sensor, so that the acoustic emissions generated by the AE Sensor can be detected.
Acoustic emissions have a high frequency and are difficult to propagate in air. Therefore, when mounting the AE Sensor, it is important to adhere it closely to the object to be detected. Furthermore, it is also important to install the sensor after thorough verification using a prototype.
*Including some distributors, etc.
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Guzik Technical Enterprises, established in 1982, is a manufacturer of test and measurement equipment located in the USA. The company’s product portfolio includes digitizers featuring 10-bit Keysight Analog to Digital A/D converters with sampling rates up to 32 Gsps and analog bandwidth up to 10 GHz1. These digitizers are combined with a digital processor, offering real-time processing and streaming Optical Data Interfaces (ODI). It provides advanced solutions to various sectors including medical imaging, aerospace and defense, satellite, Pulse RADAR test, and system integration. Its products are designed to enhance the success rate of projects and improve efficiency.
MISTRAS Group, established in 1978, is a manufacturer and global supplier headquartered in Princeton, New Jersey, specializing in non-destructive testing (NDT) equipment and asset protection solutions. The company’s product portfolio includes NDT technologies such as advanced acoustic emission (AE) and ultrasonic testing (UT) equipment. It also offers field inspections, lab testing, maintenance, monitoring, and data management services. These offerings serve diverse sectors such as academia, aerospace, defense, infrastructure, and manufacturing. The company adheres to ISO 9001:2015 quality standards with locations worldwide, serving clients across North America, Europe, Asia, and beyond.
QingCheng Ltd, an ISO 9001:2015 certified manufacturer, specializes in non-destructive testing (NDT) systems and condition monitoring solutions. Known for its IIoT acoustic emission online monitoring systems and NDT products, the company offers online condition monitoring solutions for industrial assets. The company's offerings include acoustic emission (AE) systems, such as AE sensors, pre-amplifiers, and AE acquisition instruments. The company also provides handheld ultrasonic devices, ultrasonic thickness detectors, and flaw detectors. QingCheng offers professional analysis software and an IoT Cloud platform, serving both laboratory and industrial needs worldwide.
ACCRETECH, formerly known as Tokyo Seimitsu Kogu Co., Ltd., is a Japanese manufacturer of precision machining and metrology solutions since 1949. Based in Hachioji-shi, Tokyo, the company produces various wafer metrology systems for measuring the physical properties of semiconductor wafers, metrology systems for assessing the surface quality of different surfaces, as well as precision machining tools including polishing and optical grinding machines. These product serve clients in automotive, semiconductor and medical device manufacturing.
Marposs S.p.A. is headquartered in Bentivoglio, Italy. The company serves industries such asa aerospace, semiconductors, machine tooling, and biomedical as a manufacturer and as a service provider. The company’s products vary by industry but include tools for gauging, profiling, and monitoring, as well as data management systems and machines for testing and automation. The company’s services include after sales service, customer training, original spare parts, retrofit and upgrade of existing machinery, and project management consulting services.
Tosei America Inc., founded in 2009 and located in Cincinnati, Ohio, is a manufacturer of automatic measuring equipment for production lines of precision automotive parts, bearings, and electronic products. The company provides a range of products, including gages, micrometers, digital measuring instruments, laser interferometers, and automatic measuring systems. Their products cater to diverse industries such as automotive, bearings, and the electronics industry. These products are used to ensure adherence to industry standards, detect defects or variations, and verify the reliability and precision of the produced components.
Founded in Switzerland, Kistler serves both public and private customers in the automotive, aerospace, maritime, transportation, medical, semiconductor, energy and life sciences industries. Products include sensors as well as connectivity, signal, and data acquisition devices as well as software solutions. Applications of these solutions include R&D to safety testing, and condition monitoring. Key technologies include dynamic pressure, force, torque and acceleration measurement technologies.
MDPI was founded in 1996 and is based in Basel, Switzerland. The company is a pioneer in scholarly, open-access publishing, featuring 417 peer-reviewed journals and 9 conference journals with over 115,000 academic contributors. The company’s journals fall into 10 subjects including biology, economics, medicine, physical sciences, and public health. The company’s pear review system is a dingle-blind assessment with at least two independent reviewers, followed by a final decision of acceptance or rejection by the editor-in-chief. Authors may appeal editorial decisions in case of rejection of articles.
AIP Publishing LLC., founded in Melville, NY, in 2013 is a supplier of online research journals, conference proceedings, and essential information for physical scientists. The company's product portfolio includes e-books, product guides, sector news and peer-reviewed research journals covering a wide spectrum of subjects about science, technology, medicine, and social sciences. They serve industries such as Healthcare and Medicine, Industry and Innovation, Academia, and Social Sciences. wholly owned not-for-profit subsidiary of the American Institute of Physics (AIP).
Mistras Services, founded in 1978 and headquartered in New Jersey, is a global technology services supplier specializing in integrated technology-enabled asset protection solutions. The company’s portfolio of services includes field inspections, lab testing, maintenance services, monitoring and data management. These services help in enhancing safety and operational effeciency in sectors such as oil and gas, aerospace, defense, civil infrastructure, and manufacturing. With 120 locations worldwide, Mistras adheres to an internationally-recognized ISO-9001 Quality Management System, serving clients across North America, Europe, Asia and beyond.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Guzik |
12.3%
|
| 2 | Qing Cheng |
12.3%
|
| 3 | ACCRETECH |
10.0%
|
| 4 | MDPI |
8.4%
|
| 5 | Optica Publishing Group |
7.1%
|
| 6 | Marposs |
6.8%
|
| 7 | RECTUSON CO., LTD. |
6.5%
|
| 8 | MPM Micro Praezision Marx GmbH & Co. KG |
6.5%
|
| 9 | MISTRAS Group, Inc. |
6.5%
|
| 10 | Benthowave Instrument Inc. |
5.5%
|
Derivation Method
The ranking is calculated based on the click share within the ae sensor page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
2 | 22.2% |
|
China
|
1 | 11.1% |
|
United Kingdom
|
1 | 11.1% |
|
Italy
|
1 | 11.1% |
Republic of Korea
|
1 | 11.1% |
Germany
|
1 | 11.1% |
Canada
|
1 | 11.1% |
|
Switzerland
|
1 | 11.1% |
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