This section provides an overview for depth gauges as well as their applications and principles. Also, please take a look at the list of 18 depth gauge manufacturers and their company rankings. Here are the top-ranked depth gauge companies as of November, 2024: 1.Dorsey Metrology International, 2.Asimeto, 3.Motion Industries, Inc..
Table of Contents
A depth gauge is a measuring instrument used to measure depth. Unlike digital indicators that measure length based on the retraction of the measuring terminal, a depth gauge uses its base reference plane as the zero point and calculates length based on the extension of the measuring terminal.
Also referred to as a depth micrometer or dips gauge, depth gauges are chosen between analog or digital types depending on the required accuracy and application.
Depth gauges are primarily used in the manufacturing process and quality control of industrial products. As a precision measuring instrument, they are used alongside calipers, micrometers, and height gauges for measuring industrial products on surface plates. These gauges are commonly found in precision measuring rooms and quality control departments in various factories.
A depth gauge measures the distance between its reference surface and the part being measured. It typically has a surface in contact with the reference plane and a measuring element in contact with the part. Depending on the type, the distance is read by a vernier scale, dial gauge, or digital display. Some models, particularly those with dial gauges, come with attachments that allow adjustment of the measuring element's length for various depths.
Depth gauges are broadly categorized into caliper type, micrometer type, and digital indicator type.
Caliper-type depth gauges use a depth bar for measurement, similar to general calipers. Although their accuracy can be limited, they are suitable for measuring grooves and holes that regular vernier calipers cannot reach.
Micrometer-type depth gauges function like standard micrometers, calculating length through the rotary axis's feed rate. This type adheres to Abbe's Law, ensuring higher accuracy as the measuring terminal and instrument scale are aligned.
Digital depth gauges, like digital indicators, utilize a linear scale with optical moiré interference fringes. They offer the advantage of calculating average values and feature interchangeable parts such as splice legs to extend the measuring range.
Optical instruments, like microscopes with autofocus, are used for precise depth measurements. The depth is determined by focusing on the reference plane and the target area, aligning the microscope's focus direction with the depth direction.
Hardened-layer depth gauges measure the depth of surface-hardened layers in steel materials. Traditional methods involved micro-Vickers hardness testing, which was time-consuming and destructive. Modern depth gauges use ultrasonic waves to non-destructively measure the hardened layer's depth by detecting differences in ultrasonic scattering due to the metallurgical structure inside the material.
*Including some distributors, etc.
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L.S. Starrett Company is a manufacturer of precision tools and instruments established in 1880 and based in Massachusetts, United States. It specializes in manufacturing precision measuring tools like micrometres, callipers, bevel vernier protractors, dial indicators, and granite surface plates. The company is in compliance with the RoHS standards and has acquired several certifications, including ISO 9001:2015, ISO/IEC 17025:2017, and ANSI/NCSL Z540.1-1994. Its manufactured products are utilized for metalworking, automotive, aviation, marine, and farm industries across America.
TESA Technology established in Switzerland, in 1941, is a manufacturer of sensors, software and autonomous solutions. Their product range include calipers, micrometers, dial gauges, lever-type dial test indicators and inductive probes. The company has a global distribution network, and their products are used in industries such as mechanical engineering, micromechanical, automotive, aerospace, watchmaking and medical. The company also provides training for the product installation, product customization for special requirements and customer support.
Gagemaker is a manufacturer of industrial-grade measurement devices and inspection equipment that was established in Pasadena, Texas, USA, in 1979. The company primarily produces taper gages, thread height gages, and lead gages for large-diameter measurement or API thread inspection. It also offers indicators, cases, and calibration equipment for its portfolio products. The company is ISO 9001-certified, and provides custom design, part measurement, and inspection services to its clients. It chiefly serves the oil and gas, mining, and machine shop industries.
Dorsey Metrology International, a Poughkeepsie, US-based company established in 1955, is a manufacturer of precision handheld and bench-top dimensional measurement instruments and a supplier of pertinent services. The company provides indicating devices, direct reading gages, large diameter gages, and optical comparators. It also offers calibration, contract manufacturing, engineering, and repair services. The products of the company are used as tools to do measurements. It has passed ISO/IEC 17025:2017 certification, indicating the competence of its laboratories.
The L.S. Starrett Company was founded in 1880 and is headquartered in Athol, Massachusetts. The company is a manufacturer of industrial, professional, and consumer measuring and cutting tools to customers globally. The company has three general product segments: precision hand tools, gage blocks, and surface plates. Precision hand tools include depth gages, micrometers, squares, and over 15 other types of handheld measuring tools. Gage block offerings include individual blocks, sets, and accessories.
Mitutoyo America Corporation was founded in Aurora, Illinois in 1963 by Mitutoyo Corporation of Japan as its American sales, marketing, and service subsidiary. The company provides parts service, manufacturing, and turnkey solutions for metrology equipment for aerospace, alternative energy, automotive, semiconductor, and other industries. The company’s product offerings include coordinate measuring machines, sensor systems, test equipment, and vision measuring equipment customized for customer needs. The company’s services include calibration and repair, installation, contract part programming, and training and education for operation as well as calibration.
Flexbar Machine Corporation, founded in 1965 and located in Islandia, New York, is a Manufacturer and distributor of metrology-grade replicas, casting materials, and precision measuring instruments. Its diverse range of products includes video and optical inspection devices, gages, borescopes, gage stands, and machine tool accessories. The company's products are used in quality control, metrology, and precision measurement applications across various industries. Flexbar's products cater to industries such as aerospace, automotive, medical, electronics, and other sectors where precise measurement and inspection are essential for maintaining product performance. The company also holds ISO 9001 certification.
Hedue GmbH is a German manufacturer and supplier of measuring tools for the trade founded in Viersen in 1983. The company’s products include laser levels, rotary lasers, plumb bobs, optical levels, and other measuring tools. It has five areas of production: plastic injection molding, toolmaking, metal processing, carpentry, and assembly, utilizing renewable energy sources. The company also offers a range of accessories and services, such as calibration and repair. Serving over 600 sales partners worldwide, it develops and produces measuring tools for numerous private-label brands.
Teclock, founded in 1950 and based in Okaya, Nagano, Japan, is a distinguished manufacturer of precision measuring instruments. Its instruments has a high dimensional accuracy with a smallest scale of 0.0005mm. Its product lineup includes dial indicators, lever testers, thickness gauges, depth gauges, and calipers. The company also offers height gauges, stands, handy durometers, and micrometers. The company also provides a Cloud-based IoT measurement solution, enabling the seamless digitization and analysis of measurement data.
Elcometer Limited, established in 1947, has a global network of facilities and is a manufacturer in the UK and the USA of inspection equipment for the coatings, concrete, and NDT industries. The company's core portfolio of products covers four divisions: Blast, spray, coating inspections, and NDT equipment. Example products include industrial and commercial spray equipment used for protective coatings to meet OEM requirements, bodyshop spray equipment, and components used primarily to provide repair and customized work to the interior and body of passenger cars, trucks, vans, and trailers by their clients, including commercial, industrial, and OEMs.
Guilin GemRed Sensor Technology Co. Ltd., established in 2003 and headquartered in Guangxi, China, is an angle and level measuring instruments manufacturer. The company offers measurement sensors, capacitive grating sensors, and MEMS sensors. Its products span three primary areas: general hardware tools, industrial-grade high-precision measuring instruments, and health management tools. Its digital angle gauge is used for carpentry, construction, and DIY projects, while its level box facilitates surface leveling in cabinetry and machinery alignment. The company's smart angle protractor, featuring Bluetooth connectivity, is used for angle measurement, recording, and analysis in engineering and surveying.
Sylvac SA is a manufacturer of digital measuring instruments established in 1969 and is based in Yverdon-les-Bains, Switzerland. It specializes in manufacturing vernier callipers, dial gauge indicators, internal bore gauges, height gauges, and micrometers. Its products serve the manufacturing, automotive, metalworking, and construction sectors in the Middle East, America, Asia, Oceania, and Europe. The company is Known Consignor certified and acquired ISO 9001:2015 certification. It has partnered with several companies, including Wyler AG, Trimos SA, Bowers Group, and the Swiss association Swissmem. Its manufactured products adhere to European Union and RoHS standards.
Bowers Group is a manufacturer and distributor of metrology instruments established in 1915 in Camberley, England, United Kingdom before its acquisition by Spear & Jackson. The company specializes in producing bore gauges for measuring the diameter of pipes, holes, or cylinders in routine or preventative maintenance operations. It also stocks various metrology instruments from brands such as Wyler, Gagemaker, and Sylvac. The company provides additional product customization services for its clients in the automotive, aerospace, and machine tool industries.
MiMotion was founded in 1946 in Birmingham, Alabama and today operates under Genuine Parts Company. The company operates as a distributor and supplier of custom parts for both maintenance repair and operating replacement part market and the OEM market. The company’s product line includes many types of products including abrasives, chemicals & lubricants, hand & power tools, hose & fittings, and process pumps & equipment. The company also provides maintenance repair and operating replacement parts as well as OEM parts ensuring compatibility with existing customer operations.
MICROTECH is a Fletcher, North Carolina, United States based company Established in 1994 that specializes in the manufacturing and supply of electronic components. The primary range of products offered by the company includes microcontrollers, sensors, and embedded systems. The modernizations implemented by MICROTECH are of significant importance in several industries, such as automotive, consumer electronics, and industrial automation. MICROTECH's components are well regarded for their dependability and utilization of modern technology. These attributes subsidize to the progress of electronics by enabling smooth integration and augmenting functionality across many applications.
Asimeto is a German-based manufacturing and supply firm that was established in 2007 and its headquarters are located in Germany. The company specialize in measurement tools, offering a diverse product range including calipers, micrometers, and gauges. Asimeto's precision instruments find application in industries such as manufacturing, engineering, and quality control, aiding accurate measurements. They play a vital role in ensuring dimensional accuracy and quality assurance. With an attention on precision and reliability, Asimeto subsidizes significantly to the field of metrology and measurement technology.
Ranking as of November 2024
Derivation MethodRank | Company | Click Share |
---|---|---|
1 | Asimeto |
14.3%
|
2 | Dorsey Metrology International |
11.4%
|
3 | Motion Industries, Inc. |
11.4%
|
4 | Sylvac SA |
11.4%
|
5 | Gagemaker |
8.6%
|
6 | Teclock |
8.6%
|
7 | Bowers Group |
5.7%
|
8 | Flexbar Machine Corporation |
5.7%
|
9 | L.S. Starrett Company |
5.7%
|
10 | MICROTECH |
2.9%
|
Derivation Method
The ranking is calculated based on the click share within the depth gauge page as of November 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 | 7 | 63.6% |
Germany | 2 | 18.2% |
Japan | 1 | 9.1% |
Ukraine | 1 | 9.1% |
10 products are listed.
Krone Co., Ltd.
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