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This section provides an overview for instrumentation amplifiers as well as their applications and principles. Also, please take a look at the list of 21 instrumentation amplifier manufacturers and their company rankings. Here are the top-ranked instrumentation amplifier companies as of December, 2024: 1.Analog Devices, Inc., 2.Pacific Instruments Inc., 3.Ectron Corp..
Table of Contents
An instrumentation amplifier is designed to accurately amplify very weak signals from various sensors, such as strain gauges and pressure transducers, with high precision. These amplifiers are essential in manufacturing equipment and facilities for measuring pressure and temperature, thanks to their circuits optimized for amplifying sensor signals.
Unlike common operational amplifiers, instrumentation amplifiers offer more precise gain settings within a narrow, predefined range, significantly enhancing measurement accuracy.
Instrumentation amplifiers are pivotal in industrial instrumentation, motor control, in-vehicle equipment, and data acquisition systems. They excel at detecting and amplifying weak sensor signals with minimal noise, optimizing sensor performance across various applications.
Featuring differential inputs and single-ended outputs, instrumentation amplifiers excel at suppressing input noise and boast a high common-mode rejection ratio (CMRR). They maintain high input impedance, typically several hundred MΩ, by balancing differential inputs, while keeping output impedance low to ensure precise measurements. The amplifiers' gain is usually set through resistors within a narrow, predefined range, limiting flexibility but allowing for exceptional accuracy.
Though both types of amplifiers incorporate operational amplifiers in their designs, their applications and circuitry significantly differ. Operational amplifiers are versatile, used in a wide array of analog circuits with an external feedback loop influencing their characteristics. Instrumentation amplifiers, on the other hand, lack this external feedback loop, focusing instead on differential amplification and common mode rejection, making them ideal for handling weak sensor signals.
While some instrumentation amplifiers exist as discrete components, they are often integrated into ASIC circuits with Wheatstone bridge circuits for pressure transducers and other sensors. This integration facilitates monolithic ICs, improving amplifier characteristics, and allows for sensor parameter compensation, including temperature, alongside digital interface integration for microcontrollers. This makes them well-suited for compact and high-value applications.
*Including some distributors, etc.
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Mad City Labs, Inc. was established in 1998 and is headquartered in Madison, WI, and is a manufacturer of flexure-based piezo nanopositioning systems capable of sub-nanometer positioning resolution. The portfolio of the company includes nanopositioning systems, micropositioning systems, single-molecule microscopy, general microscopy, atomic force microscopy, near-field scanning optical microscopy, and many more. The nanopositioning systems of the company move and maintain the position of objects with sub-nanometer precision and high stability. Applications for nanopositioners include super-resolution microscopy, high-speed confocal imaging, AFM, NSOM, SPM, etc.
Honeywell International Inc. was founded in 1885 and headquartered in Charlotte, North Carolina. Honeywell is a diversified technology and manufacturing company to global customers in many industries such as aerospace, building technologies, performance materials, manufacturing, and safety. Honeywell produces hardware and software solutions for each industry it serves. In building technologies, Honeywell designs access controls, electrical and wiring, fire life safety, and employee training services. In aerospace, Honeywell designs cockpit systems and displays, engines, cabin management and cleaning, and health and usage monitoring.
OMEGA Engineering Inc., founded in Norwalk, CT, in 1962 is a manufacturer of products used to measure temperature and humidity, flow and level, and pressure. The company's product portfolio includes thermocouple probes and assemblies, pressure gauges and switches, and air velocity measurement systems, wireless systems and portable optic sensors. The company serves markets including Automotive and Electric Vehicles, Renewable Energy and Energy Storage and Electronics and IT Infrastructure. The company also offers customer services that include support, custom research projects and customized services.
Spectron Glass and Electronics Incorporated, established in 1947 and based in Hauppauge, New York, is a manufacturer and supplier specializing in tilt sensors. The company's product portfolio includes analog electronic inclinometers, dual-axis electrolytic tilt sensors, and ceramic tilt sensors. These products are used in various applications, including satellite communication, passenger boarding bridges, and mining and quarrying. The company provides services including technical support, training programs on how to use the sensors, and product customization tailored to specific application requirements.
Stellar Technology is a manufacturer of pressure transducers and pressure transmitters that is headquartered in Amherst, New York and was founded in 1991. The company has a full line of sensor product catalogs ranging from pressure transmitters, displacement sensors, temperature transmitters, torque transducers, force sensors, and load cells. The company also offers specification stocking programs for primary and secondary sourcing needs. Its served industries are aviation, industrial, aerospace, energy applications and aerospace component manufacturing.
Encore Electronics, Inc., founded in 1967, is a designer and manufacturer of custom electronics and electromechanical assembly products in Saratoga Springs, NY, USA. The company’s product line has amplifiers, Din rail mounts, data acquisition systems, frequency-to-voltage converters, high-voltage instrumentations, and signal conditioners. It also makes vibration monitors, general-purpose signal instrumentations, and accessories for renewable energy, automotive, power generation, defense, and aerospace industries. The business does contract services such as custom cable assembly, custom testing, electro-mechanical services, PC board assembly, and rack builds.
Incorporated in 1965, Analog Devices, Inc. designs, manufactures, tests, and markets integrated circuits (ICs), software, and subsystems that leverage analog, mixed-signal, and digital signal processing technologies. The company provides data converter products, power management and reference products for power conversion, driver monitoring, sequencing, and energy management applications in the automotive, communications, industrial, and high-end consumer markets. In addition, the company provides digital signal processing and system products for high-speed numeric calculations. It serves clients in the industrial, automotive, consumer, instrumentation, aerospace, and communications markets.
Pacific Instruments Inc., established in 1978, is a manufacturer and designer of state-of-the-art, computer-automated test and measurement systems such as integrated conditioning acquisition & control systems, high-speed data acquisition & control systems, transient recording systems, ethernet data acquisition systems, and signal conditioning systems. The systems are used for gathering, storing, and analyzing data and findings from research and development projects. The company in Concord, CA, serves industries such as aerospace & vehicle, research agencies, civil, rocket, and the military. The company is a brand name of Vishay Precision Group (VPG).
Ectron Corp. is an American manufacturer of data acquisition and calibration instruments that was established in San Diego, California in 1964. The company produces various sensor simulators including thermocouples and pressure transducers, as well as simulators, amplifiers, data loggers, transmitters, and calibrators. These are critical in industries whose processes require precise measurement and control of data, such as in automotives, aerospace, energy, and defense. Ectron Corp. has served client companies and institutions such as the Massachusetts Institute of Technology (MIT), ExxonMobil, and NASA.
Vitrek Corp, established in 1990 and based in Poway, California, USA, is a manufacturer and supplier of high voltage test and measurement equipment. The company's product range includes Non-Contact Measurement devices, MTI Instruments Accumeasure Capacitance Products, Portable Hand-Held Signal Simulators/Calibrators, and Semiconductor/Solar Metrology Systems. These products are designed for various testing and measurement tasks. They mainly serve the electronic, appliance, medical, aerospace, and semiconductor industries. The company's services include safety and electrical test equipment provisioning, solar and metrology system offerings, vibration/engine balancing system solutions, and high-speed data acquisition.
Alligator Technologies, established in 2001 in the United States, is a manufacturer and supplier of cutting-edge electronic measurement and testing equipment. The company’s product portfolio includes a wide array of measurement instruments and data acquisition solutions, such as signal conditioners, and digitizers. These technologies cater to industries such as aerospace, defense, research, and industrial automation. Alligator Technologies' devotion to precision and reliability is evident in its advanced measurement solutions that enable accurate data collection and analysis. With a passion for creativity and quality, the company enhances advancements in measurement technology across various sectors.
Renesas Electronics Corporation was established in 2002 and is headquartered in Tokyo, Japan. Renesas is a global research, design, and manufacturer of semiconductors used in industries spanning automotive, consumer electronics, the internet of things, power & energy, and industrial sectors. Renesas manufactures both analog and digital products. Analog products include amplifiers, audio & video devices, data converters, PLC, and switches & multiplexers. Digital products include microcontrollers, memory components, sensors, wireless connectivity products, and others. Renesas also offers design resources such as kits, development tools, partner programs, and design tools.
Krohn-Hite Corporation, established in 1949 and headquartered in Brockton, USA, is a manufacturer of electronic test equipment. The company’s products include DC calibrators, preamplifiers, and fixed-frequency filters. Its benchtop tunable active filters are analog signal conditioning instruments for frequency discrimination in anti-aliasing, ultrasound, and audio interference suppression. Its DC calibrators provide precision and stability for process control and production line testing, while its wideband power amplifiers offer precise performance for industrial applications such as meter calibration and piezo transducer driving. The company also provides remote-controlled tunable active filters and filter modules for research and signal conditioning.
Dexter Research Center Inc., established in 1977 and headquartered in Dexter, Michigan, United States, is an infrared thermopile detector designer and manufacturer. The company offers an extensive range of standard infrared thermopile detectors suitable for numerous applications and used in fire suppression systems, gas analysis systems, and security intruder detection systems. For customers who know what they need, its standard products are readily available from the company's online store. As a specialist, the company also offers custom instrument production for original equipment and original design manufacturers.
Dataforth Corp. is based in Tucson, Arizona, USA, and is a developer and manufacturer of data communication products that was established in 1984 as a spin-off from Burr-Brown Corporation. The company produces data acquisition products such as data loggers, data communication products such as serial converters and repeaters, and signal conditioning products such as loop-powered transmitters and isolated analog modules. The company’s products are commonly used by client manufacturers of environment monitoring instruments, process control equipment, and building automation products.
Mahr Inc., founded in 1861 and located in Rhode Island, United States, is a supplier of production metrology, rotary stroke bearings, gear metering pumps, and meter mix dispense technology. The company offers a range of products, including handheld gages, stereo-zoom microscopes, planetary spinning pumps, spin finish metering pumps, and the N500 ball cage, that cater to various industries including automotive, aerospace, medical, and energy. Mahr Inc.'s metrology systems include coordinate measuring machines, optical measuring machines, contour measuring machines, and gear measurement systems to meet the stringent requirements of industries.
Texas Instruments Incorporated was founded in 1930 and is headquartered in Dallas, Texas. Texas Instruments is a producer of high tech equipment for industrial, automotive, personal electronics, communications equipment industries. Texas Instruments designs, manufactures, and sells semiconductors to electronics designers and manufacturers in the United States and internationally. Texas Instruments operates in two segments: analog and embedded processing. The Analog segment offers power products, including battery-management solutions, DC/DC switching regulators, power switches, linear regulators, voltage references, and lighting products. The Embedded Processing segment offers microcontrollers that are used in fields such as electronic equipment and digital signal processors for mathematical computations.
RDP Group began in 1966 and is located in Wolverhampton, West Midlands in the UK, and Pottstown, Pennsylvania in the United States. RDP is a designer, manufacturer, and distributor of LVDT displacement transducers, amplifiers, load cells, and pressure sensors for use in manufacturing, power plants, and underwater applications. RDP is ISO 9001:2015 certified. RDP products include LVDT displacement transducers, amplifiers such as rail mounting amplifiers and DC-powered strain gauge transducer amplifiers, digital panel meters and multi-channel signal conditioning, and force sensors such as compression load cells and tension load cells.
FMS Technology, established in 1994 and based in Singapore, is a provider of industrial automation solutions. The company’s comprehensive portfolio includes industrial visual apparatus, robotics, and motion control solutions for diverse sectors such as electronics, automotive, and pharmaceuticals. FMS Technology succeeds in delivering cutting-edge technologies to optimize manufacturing processes, enhance product quality, and increase operational efficiency. The company empowers industries to meet the challenges of modern production demands. Additionally, their devotion to customer success is backed by a team of experts, ensuring seamless integration and great support for clients worldwide.
Campbell Scientific Inc., established in 1974 and headquartered in Logan, Utah, is a designer and manufacturer of measurement, data acquisition systems, and data loggers. The company sells sensors, measurement devices, and OEM products for water, weather, and soil applications. It also provides software for several purposes, including communication between data loggers and supporting data logger programming. It is ISO 14001, ISO 9001, and ISO 27001 certified, and it marketed its first product, named the CA-9 Path-Averaging Laser Anemometer, in 1974. It introduced its first data acquisition system, the CR5 Digital Recorder, in 1975.
Hybrid Electronics is a global distribution specialist of electronic components, with access to over 50 million unique components. Among the markets HE serves are the aerospace, automotive, communications, defense, industrial, medical, national security, and test & measurement industries. In addition to components, HE also provides quality and compliance testing, counterfeit detection, upscreening, and other forms of quality control. Examples of component subtypes that HE offers include ICs, batteries, capacitors, semiconductor products, sensors, circuit protection, interconnectors, filters, optoelectronics, relays, switches, power supplies, and cables and cable assemblies.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Analog Devices, Inc. |
12.4%
|
| 2 | Pacific Instruments Inc. |
11.3%
|
| 3 | Ectron Corp. |
11.3%
|
| 4 | Alligator Technologies |
8.2%
|
| 5 | Mad City Labs Inc. |
7.2%
|
| 6 | Krohn-Hite Corporation |
5.2%
|
| 7 | Dexter Research Center, Inc |
4.1%
|
| 8 | Spectron Glass and Electronics Incorporated |
4.1%
|
| 9 | Vitrek Corp. |
4.1%
|
| 10 | RDP Electronics Ltd |
4.1%
|
Derivation Method
The ranking is calculated based on the click share within the instrumentation amplifier 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
|
11 | 78.6% |
|
Japan
|
1 | 7.1% |
|
United Kingdom
|
1 | 7.1% |
|
Switzerland
|
1 | 7.1% |
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