62 Rotary Encoder Manufacturers in 2024
This section provides an overview for rotary encoders as well as their applications and principles. Also, please take a look at the list of 62 rotary encoder manufacturers and their company rankings. Here are the top-ranked rotary encoder companies as of November, 2024: 1.Celera Motion, 2.Velmex, 3.DR. JOHANNES HEIDENHAIN GmbH.
Table of Contents
Categories Related to Rotary Encoders
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What Is a Rotary Encoder?
A rotary encoder is a device that measures the amount of movement or angle of rotation of an object to be measured.
Generally, it is attached to the shaft of a motor or reduction gear. They are sometimes attached to servo motors and stepping motors. Rotary encoders are mainly used for rotary devices that require precision control.
Uses of Rotary Encoders
Rotary encoders are widely used in a variety of products driven by motors. The following are examples of rotary encoder applications:
- Feedback control of industrial robots
- Control of stage equipment in semiconductor manufacturing equipment
- Position control of elevators
- Speed and position control of self-propelled cranes
Rotary encoders are used for rotational position control and rotational speed control. Simple speed control can be achieved with an inverter only. Encoders are useful for precise speed control or for controlling a motor in the middle of rotation.
Principle of Rotary Encoder
A typical rotary encoder uses light to make measurements. It consists of components such as a light-emitting diode, a slit disk, and a phototransistor.
1. Light-Emitting Diode
The light-emitting diode receives power and emits light constantly. The light is focused by a lens and then directed to the slit disk.
2. Slit Disks
The slit disk is a rotating disk with evenly spaced holes and is fixed to the encoders axis of rotation.
3. Phototransistor
A phototransistor is installed at the end of the light that passes through the holes and emits a pulse wave when the light is received. By measuring this pulse wave, the rotational speed is measured. In addition to light, products that use changes in magnetic force or electrostatic capacitance are also available.
Types of Rotary Encoders
Optical rotary encoders are divided into two types of measurement methods: incremental and absolute. The former measures the relative value of the rotational position, while the latter measures the absolute value of the rotational position.
1. Incremental Type
The incremental type rotary encoder is similar to the above principle, converting light passing through a slit in a rotating disk into a pulse signal and transmitting it. Two types of signals are used to detect the light passing through the slit.
They are generally called A-phase and B-phase. Encoders with a Z-phase signal for home position detection are also available. If there is a malfunction in waveform capturing, the counts will be missed, which is a characteristic that causes errors.
The disadvantage of this method is that the absolute position cannot be determined. However, it is possible to determine the direction of rotation because of the built-in 2-phase signal.
2. Absolute Type
An absolute rotary encoder has a groove on the rotating disk for position information determination. When light passes through this groove, it is detected by the light-receiving element and the absolute position can be measured. Therefore, since absolute position is detected, the direction of rotation can be detected according to the order of the grooves.
In the absolute type, a gray code is generally used for the code of each position. Gray codes, also called alternating binary codes, are a coding method in which adjacent bits change by only one bit. Gray codes are highly resistant to noise and errors and provide high accuracy because they minimize position mis-detection.
How to Select a Rotary Encoders
When selecting a rotary encoder, the measurement method, resolution, and load capacity should be considered.
1. Magnetic Type and Optical Type
There are two types of rotary encoders: magnetic and optical. The magnetic type has excellent weather resistance, while the optical type features high measurement accuracy. Among the optical types, the absolute type has higher measurement accuracy and can detect absolute position.
2. Resolution
Resolution is the minimum phase that can be measured. The higher the resolution, the higher the measurement accuracy, but it is also more expensive, and the signal may be more complex and less sensitive to noise. Select a resolution that is sufficient to control the machine to which the rotary encoder is to be installed.
3. Load Capacity
Load is the weight that can be applied to the rotary shaft. If a load greater than the allowable load is applied, the shaft or bearings of the rotary encoder will be damaged. Therefore, select a product with an allowable load that is greater than the maximum load that can be assumed.
List of 62 Rotary Encoder Manufacturers
*Including some distributors, etc.
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Bison Gear & Engineering Corp.
Shaft Mount Encoder
Manufacturer Overview
Bisco Tool Supply was established in 1990 in Florida as a supplier of industrial tools and supplies. The company provides products in wholesale and retail modes, inclusive of drill bits and chucks, taps and dies, stainless steel nuts, bolts and fasteners, safety equipment, lubricants and sprays, and more. It also supplies different types of carbide burrs, abrasives, and reamers that serve the energy and utility, manufacturing, and construction industries, amongst many others.
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Badger Meter, Inc.
ENCODERS
Manufacturer Overview
Badger Meter, Inc. was founded in 1905 and based in Milwaukee, Wisconsin. Badger Meter is a manufacturer and marketer of flow measurement, quality, control, and communication solutions in the United States and globally. Badger Meter serves several industries including water treatment, water distribution, aviation, concrete production. Badger Meter offers utility water solutions and commercial & industrial solutions product segments. Together they include products such as meters, software, diagnostics, and quality monitoring.
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Red Lion
SERVO MOUNT SHAFT ENCODER
Manufacturer Overview
Red Lion was founded in 1972 and headquartered in York, Pennsylvania as part of Spectris, PLC, headquartered in Egham, England. The company serves manufacturing, oil & gas, alternative energy, transportation, and water industries with products for their industrial automation and industrial networking needs. The company’s industrial automation division creates controllers, secure remote access platforms, panel meters, and process control devices. The industrial networking division offers ethernet devices, IIoT gateways and routers, and communication converters.
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Broadcom
Motion Control Encoders
Manufacturer Overview
Broadcom Inc., established in 1961, and headquartered in San Jose, California, is a manufacturer and supplier of semiconductor and connectivity solutions. The company specializes in producing products, such as semiconductors, infrastructure software, networking products, storage products, wireless products in which their products cater to industries such as telecommunications, data centers, and consumer electronics. Their products are used for various applications, including wireless communication, networking equipment, data storage, and multimedia devices, providing components for advanced technologies in numerous industrial and commercial sectors.
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Bourns, Inc
Optical Encoders
Manufacturer Overview
Bourns, Inc. is a family-owned company founded in 1947 and currently headquartered in Riverside, California. Bourns is a developer, manufacturer, and supplier of electronic components for several industries including automotive, industrial, instrumentation, medical, consumer, and portable electronics. Bourns operates in 4 market segments: automotive, circuit protection, power conversion, and sensing. The automotive segment produces sensors for almost every use in vehicles including steering, stability, fuel management, and temperature control. Power conversion segment products are used in renewable energy and automotive power. Sensing products are also used in heavy equipment, medical equipment, and welding equipment.
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Electro-Sensors, Inc.
Rotary Shaft Encoders
Manufacturer Overview
Electro-Sensors, Inc. operates as a manufacturer of precision sensors and monitoring systems, established in 1968 and headquartered in Minnesota. The company specializes in providing products and services for industries such as industrial manufacturing, agriculture, and material handling.Its offerings include speed sensors, temperature sensors, and hazard monitoring systems. These products are used for precision monitoring and safety assurance, enhancing operational efficiency and safety measures in the industries it serves through its precision sensor and monitoring solutions.
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Anaheim Automation, Inc.
Incremental Rotary Encoder Adders
Manufacturer Overview
Anaheim Automation is a manufacturer of motion control and automation products based in California since 1966. Their product list includes Stepper Motors and its Drivers, Controllers, Linear Actuators, and gearmotors that have applications in position control. There are also Brushless DC products, Servo motors, and systems, Integrated Circuits, AC Motors, and more that are necessary for equipment upgrades, process control, XY, and rotary tables, pump flow control, and material handling for industries that involve medical diagnostics, food, cosmetics, labeling, and robotics.
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Grayhill, Inc.
Rotary Switches and Mechanical Encoders
Manufacturer Overview
Grayhill, founded in 1943 with headquarters in the USA, is an ISO 9001-certified manufacturer of principle switch interface products, PC-based control systems, and industrial wireless data communication devices. The company's products include board-level DIP switches, tactile switches, keypads, custom keyboards, and miniature enclosed rotary switches for original equipment manufacturers in the healthcare, military, and off-highway markets. Grayhill offers standard products, tailored products, and tailored assemblies. The company also holds AS9100D and ISO 14001:2015 certifications, as well as the SAE AS9100 Revision D Quality Management System (QMS) for defense organizations.
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Sensata Technologies, Inc.
Rotary Encoders
Manufacturer Overview
Sensata Technologies was originally founded in 1916 as General Plate Company and is now headquartered in Attleboro, Massachusetts. The company is a developer, manufacturer, and seller of sensors and sensor-rich solutions, electrical protection components, and other products used in automotive, industrial, energy, telecom, and construction industries. The company has 20 product categories including force sensors, tire management solutions, inverters & charges, and pressure sensors.The company’s next generation of products are designed to improve the efficiency of industrial pumps, fuel efficiency in ICE cars and energy efficiency in TVs, and facilitate usage of IoT devices.
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Applied Motion Products, Inc.
Encoders
Manufacturer Overview
Applied Motion Products, Inc. was established in 1978 and is a manufacturer of motion control components based in Morgan Hill, California, United States. The company manufactures various products such as power supplies, gearmotors, gearheads, integrated servo motors, and servo motor cables. The products have been used in various industries such as warehouse automation, autonomous mobile robots, life sciences, semiconductor, and packaging. The company has obtained ISO 9001 certification and have been operating under the compliance to RoHS, ATEX, CE, UL, and CSA.
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Fagor Automation Corp.
High-end absolute encoders
Manufacturer Overview
Fagor Automation Corp. is a manufacturer of machine automation and control products and equipment established in 1972 and headquartered in Rolling Meadows, Illinois, USA. The company offers CNC systems for lathes, milling machines, cutting, grinding, and bending under the CNCelite, QUERCUS, and Optima brands. It also offers feedback systems for machine tools such as CNC machines and conventional machines as well as for various applications such as metrology, semiconductors, large scientific facilities, and additive manufacturing.
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Gurley Precision Instruments, Inc
ROTARY ENCODERS
Manufacturer Overview
Gurley Precision Instruments, Inc. was founded in 1845 and is headquartered in Fulton Street Troy, New York is a manufacturer and designer of measuring instrumentation. The company offers an extensive product range including paper testing instruments, hydrological instruments, and optics and optographics among others. These products have applications in precise measuring of position and speed, open-channel flow meters to measure water velocity and generation of precise patterns on glass and similar substrates.
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ifm efector, inc.
Encoders
Manufacturer Overview
ifm efector (ifm) is a subsidiary of ifm electronic, founded in Germany in 1969. ifm has developed, manufactured and marketed sensors and controls technology to industries that include assembly and robotics, automotive, material handling, metal forming, mobile equipment, plastics, and food and beverage. Ifm produces sensors, condition monitoring equipment, image processing, safety technology, industrial communication, IO-link, systems for mobile machines, displays, software, connection technology, voltage supplies, as well as other accessories.
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Celera Motion
Optical Rotary Encoders
Manufacturer Overview
Celera Motion, founded in 1994 in the USA, is a motion control business of Novanta Inc. and a manufacturer of motion control devices and composite solutions for OEMs. The company's products, which include inductive encoders, direct-drive motors, servo drives, transducers, and air-bearing spindles, among others, are also used in the medical, Satcom, UAV, medical, and scientific markets. Celera Motion also offers ISO 9001 and ISO 13485-compliant encoders, motors, sensors, transducers, and servo drives in custom sizes.
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Velmex
Rotary Encoders
Manufacturer Overview
Velmex, Inc. was founded in 1967 in Bloomfield, New York where it still operates today. The company is a designer and manufacturer of stock and custom linear and rotary motion control positioning equipment for scientific, research, machining, and industrial applications. The company produces 3 unique brands of manual and motor-driven assemblies in Unislide, BiSlide, and XSlide in multiple build-to-order configurations. The company also produces manual and motor-driven XY tables, rotary turntables, as well as VXM motor controls, and VRO encoder readouts.
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Pepperl+Fuchs Inc.
Rotary Encoders
Manufacturer Overview
Pepperl+Fuchs, Inc. was founded in Mannheim, Germany in 1945 developing the forerunner of the proximity switch. Pepperl+Fuchs continues to develop proximity sensors as well as other industrial sensors including ultrasonic sensors, rotary encoders, positioning systems, display and signal processing, vibration monitoring, industrial communication, and signal processing as well as related accessories and software. Explosive protection products include safety barriers, surge protection, wireless solutions, HMI systems, power supplies, electrical explosion protection equipment, level measurement, and related software.
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Allied Electronics, Inc.
Incremental Rotary Encoder
Company Overview
Allied Electronics Inc., founded in 1991 with headquarters in the USA, is a distributor and supplier of fuel and vehicle servicing station equipment and accessories. The company's extensive product line of over 57,000 products includes forecourt controller parts, fuel dispenser parts, air compressors, and power conditioners. The company also provides rebuilt parts by brands that include Bennett, Daktronics, FE-Petro, and Gasboy. The company's services include equipment financing, primarily serving the retail petroleum industry, including car wash and price sign manufacturers.
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Phoenix America LLC.
ROTARY ENCODERS
Company Overview
Phoenix America, founded in 2000 and based in Fort Wayne, Indiana, is a manufacturer and supplier of sensors, encoders, and technology. The company manufactures magnetic sensors, gear tooth sensors, hall commutators, anisotropic magnetoresistance (AMR) sensor chips, and elevator encoders, among other products. It also produces encoders and sensors for textile and paper processing machines. Its flow sensing sensors provide very clear visibility through non-ferrous objects and, when interfaced with a custom developed magnetic propeller, can sense through a plastic tube.
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Everight Position Technologies Corp.
Rotary Encoders
Company Overview
Everight Position Technologies Corp., founded in 2008, is a supplier and distributor of off-the-shelf and custom sensors such as rotary, liquid level, linear, oil debris, and tilt sensors for motorsports, chemical plants, and water/wastewater applications. The Bala Cynwyd, PA, company has a line card of sensor manufacturers such as Micronor Sensor, Netzer, Opkon, Posital, and Trumeter to combine the hardware with one-on-one application support. In 2022 Everight Position won the Lockheed Martin Outstanding Supplier Award.
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Precizika Metrology UAB
Rotary Encoders
Manufacturer Overview
Precizika Metrology, established in Vilnius, Lithuania, in 1961 is a manufacturer and designer of metrological equipment such as rotary, angle, linear encoders and optical encoder gratings. Their products include medical equipments, high precision machine tools, industrial automation and motion control, CNC machines and research and develpment solution for defense & military. The company has office in Germany, Taiwan and Japan and they provide original equipment manufacturing (OEM) for companies all around the world.
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burster präzisionsmesstechnik gmbh & co kg
Angle of rotation sensors
Manufacturer Overview
Burster Präzisionsmesstechnik GmbH & Co KG is a manufacturer of sensors & precision measurement products established in 1961 and based in Gernsbach, Germany. The company produces a wide range of sensors, calibration equipment, and testing devices. Its products include force and displacement monitoring systems, universal calibrators for in-field QA operations, and potentiometric angle of rotation sensors. The company also offers contract manufacturing, OEM, and product modification services. It chiefly serves clients in the automation, chemical processing, and industrial facility engineering sectors.
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MultiDimension Technology
TMR Geartooth Encoders
Manufacturer Overview
MultiDimension Technology (MDT) is a manufacturer of magnetic sensors founded in 2010 and headquartered in Zhangjiagang Free Trade Zone, Suzhou, Jiangsu Province, China. The company produces a series of Sensor ICs and Sensor modules such as Anisotropic MagnetoResistance (AMR), Giant MagnetoResistance (GMR), and Tunneling MagnetoResistance (TMR) that are used in the technical field of magnetoresistive transducers for measuring magnetic field and other parameters. They also offer magnetic device wafer fabrication along with designing and testing features enabling MDT to provide solutions for a wide range of applications in the magnetic sensor market.
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Citizen Chiba Precision CO.,LTD.
ENCODERS
Manufacturer Overview
Citizen Chiba Precision was established in Chiba, Japan in 1979. Citizen is a leader of miniaturized precision motors and customized products which custom-made to meet specific customer requirements for among others, semiconductor manufacturing equipment, medical equipment, and laser application products. Examples of Citizen’s products include optical scanners, linear actuators, servomotors, gear heads, and control drivers.
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Maxon
Encoder
Manufacturer Overview
maxon, a company established in 1961, based in Sachseln, Switzerland, is a manufacturer and exporter of high-precision drive systems and components. The company advanced product solutions for various industrial and medical applications such as robotics, aerospace, automotive, prosthetics, and surgical devices. It has a range of products such as brushed and brushless DC motors, gearheads, encoders, controllers, and sensors. These products are designed to operate with high performance, quality, and reliability.
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PREMA Semiconductor GmbH
Optical Encoders
Manufacturer Overview
PREMA Semiconductor, founded in Germany, in 1970 is a manufacturer of semiconductors. The company's product portfolio includes Microprocessors and Microcontrollers, Memory Devices, Analog and Digital Integrated Circuits, power management solutions and RF and Wireless Semiconductors. Their products are used in markets such as Automotive and Transportation, Telecommunications, Industrial Automation, Healthcare and Medical Devices and Aerospace and Defense. The company provides services such as Product Selection Guidance, prototyping, New Product Design and Development and Custom Manufacturing.
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CENO Electronics Technology Co.,Ltd
Power/Signal+Encoder
Manufacturer Overview
CENO Electronics Technology Co. Ltd is a manufacturer of slip rings and rotary joints that was established in 2009 in Shenzhen, China. The company produces various devices for transmitting signals or power between either stationary or rotating parts. Its products include function slip rings, fiber optic rotary joints, and hydraulic rotary unions for transmitting flow data of gasses or liquids. The company also offers additional design, fabrication and maintenance services for customers with unique project requirements. It mainly serves clients in the defense, robotics, and surveillance industries.
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Gefran SpA
Pulse rotation encoders
Manufacturer Overview
Gefran is an Italian manufacturer of industrial process automation systems that was founded in Provaglio d'Iseo, Brescia in 1960. The company produces regulatory drives and inverters, various sensors, and automation components such as programmers and controllers. It also offers tailor made systems for specific industrial processes, including thermoforming, injection molding, and extrusion. Gefran products are primarily used in factory automation, as well as by clients in the metalworking, plastics, material handling, and food processing sectors.
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Line Seiki Co.,Ltd.
Rotary Encoders
Manufacturer Overview
Line Seiki, a manufacturer of counters and test measuring instruments based in Tokyo, Japan, was founded in 1949. The company offers products such as limit switches, rotary encoders, tachometers, electronic counters, and measuring devices. The firm runs a solutions division where it provides length, counting, control, and IOT measures. The goods are included in pumps, billiard tables, roller shutters, copy machines, and vending machines. The business runs a design, development, and manufacturing-integrated production process for the products.
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ALPS ALPINE CO., LTD
Encoders
Manufacturer Overview
ALPS ALPINE CO., established in 1948, is a manufacturer and supplier of sensors＆communication, modules＆systems, and components based in Tokyo, Japan. The company serves the energy, healthcare, automotive, mobile, and consumer electronics domains, where they combine and build on core device technology, including human-machine interfaces, SENSORING™, and connectivity. For example, in the healthcare industry, they supply components for medical equipment, including control switches, sensors, lenses, and joysticks, and the Senclear™ Microfluidic Devices for drug discovery and development. Their power conversion modules, current sensors inverters, and converters are used in the energy industry in storage batteries, solar power systems, and electric vehicle charging systems.
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GIVI MISURE S.R.L.
Rotary Encoders
Manufacturer Overview
GIVI MISURE S.R.L., established in 1979 and headquartered in Nova Milanese, Italy, is a manufacturer specializing in measuring and control systems. The company offers optical scales for various uses, such as computer numerical control (CNC) machine tools and large machinery. It also manufactures magnetic systems for linear and rotational displacement measurement. Digital readouts for microcontroller processes and position controllers further complement its product lineup. The company serves over 10,000 customers worldwide, supported by a network of direct branches, resellers, and service centers.
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Angst+Pfister Sensors and Power AG
Encoders
Manufacturer Overview
Angst+Pfister Sensors and Power AG, founded in 1987 and headquartered in Zurich, Switzerland, is a manufacturer of power supplies, and electronic components. It operates as a subsidiary of the Angst+Pfister Group, serving a global clientele. Its product range encompasses inertial sensors, power supplies, and current sensors, including AC/DC power supplies, DC/DC converters, DC/AC inverters, and LED AC/DC power supplies. These components find applications in overload protection, current metering, and battery charge monitoring. Depending on requirements, the company is also capable of delivering modified standard products or customised solutions, and offers differential probes for the development, maintenance, and repair of solar plants.
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Lika Electronic Srl
Rotary encoders
Manufacturer Overview
LIKA Electronic, established in 1982, is based in Buccinasco, Italy, and is a manufacturer and supplier of encoders, position measuring systems, and linear motion components. Their product portfolio includes rotary encoders, incremental and absolute encoders, linear encoders, and magnetic measuring systems. These precision devices find applications in various industries, such as automation, robotics, CNC machines, and packaging equipment. LIKA Electronic's products are known for their accuracy, and durability, providing essential feedback for motion control and positioning. Putting a priority on client happiness and creativity, LIKA Electronic continues to deliver cutting-edge solutions that meet the evolving needs of the industrial automation market.
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TSM Sensors s.r.l.
Rotary Encoders
Manufacturer Overview
TSM Sensors s.r.l. is a manufacturer of industrial sensor solutions established in 2015 and based in Lombardy, Italy. It specializes in manufacturing inclinometers, cable extension transducers, magnetostrictive sensors, rotary encoders, and electronic control units. The company is part of FASSI Group and has acquired ISO 9001:2015 certification for its quality management system. Its manufactured products are in compliance with IPC requirements for soldered electrical and electronic assemblies. It caters to the agricultural, construction, marine, and electronic industries across several regions, such as Italy, France, Germany, and Spain.
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Ono Sokki
Digital Tachometer
Manufacturer Overview
Ono Sokki Co. Ltd., founded in 1954 and based in Yokohama, Japan, is a manufacturer, distributor, and supplier of electronic measuring instruments and control systems. Its products include sound level meters, vibration meters, and FFT analyzers, utilized in research and development, quality control, and by production line engineers, particularly in the automotive industry. The company was the first to be designated by the government as a producer of sound level meters in Japan and also obtained ISO 14001 certification in 1997.
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DR. JOHANNES HEIDENHAIN GmbH
Rotary encoders
Manufacturer Overview
HEIDENHAIN, founded in 1889 and headquartered in Traunreut, Germany, is a manufacturer of precision measurement and control equipment. Specializing in industries requiring precise solutions, the company offers rotary and linear encoders, digital readouts, touch probes, and motion controllers. These products serve sectors like manufacturing, electronics, and aerospace, ensuring enhanced precision and efficiency. The company holds ISO 9001 certification and is an EMAS-certified company, thereby meeting the demanding, globally recognized environmental certification standards of the European Union.
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SAI TECH CONTROLS
Rotary Encoders
Manufacturer Overview
SAI TECH CONTROL, established in 2005, is an Indian manufacturer and supplier based in Pune, Maharashtra, specializing in flow measuring instruments. The company offers an extensive range of products, including capacitive, inductive, optical, and magnetic proximity switches, along with diesel generator (DC) battery chargers, electromagnetic coils, electromagnetic vibrator controllers, and switching mode power supplies (SMPS). Additionally, the company provides digital counters, digital revolutions per minute (RPM) indicators, digital timers, alarm annunciators, and temperature sensors. Its offerings also extend to level sensors and rotary encoders. These products are utilized across diverse industries such as the automobile, chemical, food processing, packaging, and pharmaceutical sectors.
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YUEQING YUMO ELECTRIC CO.,LTD
Rotary Encoder
Manufacturer Overview
YUEQING YUMO ELECTRIC CO.,LTD, founded in Zhejiang, China, in 2004 is a manufacturer of industrial automation control products. The company's product portfolio includes Programmable Logic Controller, Human Machine Interface, Photoelectric Switch, Proximity Switch, and Switching power supply. Their products find application in textile machinery Machinery, packaging machinery, wind power generation, and industrial assembly automation control field. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation.
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Baumer
Absolute HeavyDuty encoders
Manufacturer Overview
Baumer Electric AG was founded in 1952 and is headquartered in the city of Frauenfeld, Switzerland. The ISO 9001 and ISO 14001 certified company provides sensor solutions for digitalization, packaging, railway, food and beverage, and pharmaceutical industries. A sample of the company’s sensor product listings includes object detection, distance measurement, force sensors, accessories, and connectivity devices. The company offers product support for setup and installation, product functionality, and optimized product usage.
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Carlen Controls, Inc.
Multiturn Absolute Encoder
Manufacturer Overview
Carlen Controls Inc., based out of Roanoke, VA, United States, is a manufacturer and supplier of powered milling tools and equipment. The company's products include pulse tachometers, multi-turn programmable absolute encoders, and distributed I/O for resolver and encoder applications in the steel mill environment. These products are used for controlling milling power, depending on the application and environmental conditions. Its services include repairs and replacement parts sales, and it also offers warranties on the products it sells. It also consults for custom requirements and provides individual custom products.
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Trumeter
ENCODERS
Manufacturer Overview
Trumeter, established in 1937 and based in Coconut Creek, Florida, is a manufacturer and supplier of precision measurement instruments. They provide test and measurement equipment such as digital panel meters used to measure electrical and physical quantities. The company is catering to similar industries for accurate testing and measurement, offering industrial controls to automate processes like conveyors, valves, and pumps which are utilized across various industries, including manufacturing, power, telecommunications, and healthcare.
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US Digital
Incremental Encoders and Components
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BEI Sensors
Rotary Encoders
Manufacturer Overview
BEI Sensors, founded in 1916 and headquartered in Attleboro, Massachusetts, USA, is a manufacturer specializing in sensors and encoders for motion control and position feedback. Its offerings include pressure sensors, relays, motor protectors, insulation monitoring devices, and circuit breakers, serving diverse industries like aerospace, defense, industrial, medical, and transportation. They also offer tire management solutions, blind spot monitoring solutions, and battery management systems. Its manufacturing facilities are aligned with and certified under ISO 14001.
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Capella Microsystems
Optical Encoder
Manufacturer Overview
Capella Microsystems, located in New Taipei, Taiwan, is a manufacturer of optical electronic products, founded in 2002. Their product line includes smart sensors used for light, color, proximity, and gesture sensing. They also provide IrDA devices for wireless communication, optical encoders for precise position and velocity measurement, and PDICs specifically designed for photodiode array applications. Capella Microsystems' products have wide-ranging applications, serving industries such as consumer electronics, industrial automation, robotics, and medical devices.
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TRM International Ltd.
Incremental Encoders
Manufacturer Overview
TRM International Ltd. is a manufacturer of industrial control products for machine automation established in 1996 and located in Lancashire, England, UK. The company’s products include AC as well as DC servo motors and drives for standard industrial applications, and proximity sensors and encoders for precise operation of industrial machinery. It also offers multi-axis motion controllers for plasma cutting machines, guillotine controls, and CNC routers. The company’s products are mainly used in industrial automation operations, and in the manufacture of CNC machines.
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IntelLiDrives Inc.
Rotary Ring encoders
Manufacturer Overview
IntelLiDrives Inc., founded in 1999 and headquartered in Pennsylvania, United States, is a manufacturer of linear actuators, XY tables, and rotary tables. The company offers a diverse product lineup, including multi-axis motion and automation controllers with visual programming, four-axe XY-Z-rotary stages for precision applications, and integrated two-axe rotary assemblies. These products have applications in various industries, including semiconductor manufacturing, automated accurate positioning in microscopy, and electronic assembly manufacturing. Its research center has published that aperture Planar ServoRing Series rotary tables can be used to develop medical devices.
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Assun Motors Pte Ltd.
Encoder
Manufacturer Overview
Assun Motor is based in Shenzhen China, founded in 2003, an innovative manufacturer for advanced DC drive system. Products including DC Coreless Brushed Motor, DC Slot-less Brushless Motor, Planetary Gearbox, Servo Motor and Controller, Encoder and Brake. Assun Motor provide high precision, reliability and efficiency DC drive systems for critical applications.
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AMI-Electronic GmbH
Incremental rotary encoders
Manufacturer Overview
AMI-Elektronik GmbH & Co. Produktions KG, founded in 1983 and headquartered in Munich, Germany, is an incremental encoders manufacturer and supplier. The company's products include Incremental angle rotary encoders, rotary encoders for manual positioning of movement direction mainly used in machine tools, and accessories including connectors, bellows couplings, and clamps. These products are used in positioning and motor speed feedback applications, including servo, industrial, and heavy-duty applications. It also provides original equipment manufacturing services and replacements for OEM encoders. In 2023, it relaunched its range of mini-incremental encoders.
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Omron
Rotary Encoders
Manufacturer Overview
Omron Corporation, started in 1933 and headquartered in Kyoto, Japan, is a manufacturer of automation components, equipment, and systems, and it developed the first contactless proximity switch in 1960. It has four domains, including industrial automation, electronic components, healthcare, and social systems, and it provides products and services in around 120 countries and regions. Some of its products include microsensing devices, access control systems, industrial robots, surveillance cameras, and blood pressure monitors. In 1971, it developed the first online cash machine, and in 1972, it established Japan’s first welfare factory.
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Netzer Precision Position Sensors A.C.S. Ltd.
ROTARY ENCODER
Manufacturer Overview
Netzer Precision Position Sensors A.C.S. Ltd., headquartered in Israel and established in 1998, is a manufacturer and designer of position and electric encoders. Their product portfolio includes a range of rotary encoders suited for applications ranging from harsh environments, specialized applications such as space and avionics, through military and defense, to industrial automation, collaborative and medical robotics and, intelligent digital technology. The company also assists customers with shipment, application and customer service.
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Dynapar Corporation
Rotary Encoders
Manufacturer Overview
Dynapar Corporation is an American manufacturer of motion feedback control products that was established in Gurnee, Illinois, in 1955 before its acquisition by the Fortive Corporation in 2016. The company primarily produces specialized resolver and rotary encoder models. These specialized models include incremental encoders, frameless resolvers, and resolver transducers. It also offers related accessories such as encoder testers, mounting brackets, and encoder cables. The company chiefly serves its clients in North America’s oil and gas, power generation, and metalworking industries.
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Bernio Elettromeccanica s.n.c.
Encoder
Company Overview
Bernio, established in May 1964 and based in Brugherio, Italy, is a manufacturer and supplier of AC electric motors and coaxial gearboxes. The company's product range includes coassialiING, ridNemaING, riduttoriING, motoSenzaFineING, and encoderING. These products address various automation requirements such as motion control, machine synchronization, and precision positioning. It primarily serves industries such as automation, electronics, mechanical design, and machine manufacturing. The company also offers technical consultation, product customization, after-sales support, and direct communication with its technical department.
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Honest Sensor Corp.
encoder module series
Company Overview
Graduate Honest Sensor Corp. is a manufacturer and supplier of encoders for automatic control systems and mechanical equipment that was established in New Taipei City, Taiwan, in 1998. The company primarily produces a range of encoders, including absolute, hollow shaft, and incremental encoders for measuring physical parameters of process variables. It also offers encoder discs, measuring wheels, and custom design services for unique projects. The company chiefly serves clients in the machine tools industry, including companies such as Haas, Mazak, and Fanuc.
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NIDEC COPAL ELECTRONICS
Rotary Encoder
Company Overview
NIDEC COPAL ELECTRONICS was established in Japan in April, 1967 as a specialty manufacturer of electronic components. NIDEC’s offerings have increased to serve the automotive, construction, medical equipment, FA equipment, analytical measuring equipment, and residential security industries. Among the offerings are components for LiDAR, railway pressure sensors, CPAP, dialysis, MRI, and ultrasonography machines, wireless base stations, and power tools. These components include switches, sensors, mirrors, motors, and fans.
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Standard Electric Holdings Limited
ENCODERS
Company Overview
Standard Electric Holdings Limited, established in 1995 and based in Hong Kong, China, is a manufacturer and supplier of AC motors and BLDC motors. The company's range of products includes air conditioning damper actuators, printer body driving units, and vibration motors. These products are used in various applications, including the automotive industry, toy manufacturing, and in home appliances, where the motors are utilized in refrigerators and kitchen appliances. The company is ISO 9001 and ISO 14001 certified, with sales offices in South Korea, Japan, and Singapore.
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Arrow Electronics, Inc,
Rotary encoders
Company Overview
Arrow Electronics, Inc. is a manufacturer and supplier of electronic components and enterprise software that was established in 1935 in New York City, New York, USA. The company primarily produces electronic components including interconnect cable assemblies, semiconductors, and fiber optics. It also offers enterprise computing software such as security suites, servers, and cloud hosts. The company is ISO 9001, ISO 14001, and ISO 45001-certified, and provides custom design as well as engineering services for its clients with unique projects.
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POSITAL -Fraba
ROTARY ENCODERS
Company Overview
UBITO is an enterprise within the FRABA group, specializing in the development and marketing of Wiegand technologies for commercial and industrial use. The company serves as a concept incubator and markets Wiegand sensor products, such as fluid meters and multiturn rotary encoders. FRABA has a history dating back to 1918 and has played a significant role in the development of sensor products like rotary encoders and inclinometers. With subsidiaries in Europe, North America, and Asia, FRABA has a global reach and works with sales and distribution partners worldwide.
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HEIDENHAIN
Rotary encoders
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Dynapar
ROTARY ENCODERS
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TR Electronic
Absolute Rotary Encoders
Company Overview
TR Electronic, a Canadian company established in 1984 and based in London, Ontario, is a manufacturer and supplier of material handling technologies. The company's product portfolio includes incremental rotary encoders, laser distance measurement systems, and proximity switch sensors. These products are used in various industries, including green energy production, food and beverage, and the warehousing and logistics industry. The company sells its products globally to various countries, including the United States, India, and Mexico, while being ISO 9001:2015 certified.
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Wachendorff Automation USA, Inc.
Shaft encoders incremental quadrature housing dimension
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Elektrosil GmbH
Smart switch
Distributor Overview
Elektrosil GmbH is a distributor of electronic products that was established in Hamburg, Germany in 1976. The company primarily stocks products from its subsidiary brands, such as Y.S. Tech. These products include embeddable systems such as microcontrollers and modules, power supplies, and display or touchscreen products such as touch panels. It also offers related accessories such as connectors, cables, and heat sinks. The company mainly markets to its clients in the information technology, consumer electronics, and industrial automation sectors.
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FRABA Inc. - POSITAL
Incremental Rotary Encoders
Distributor Overview
POSITAL is a leading supplier of advanced industrial position sensors used in motion control and safety systems. The company is known for innovation in product design and manufacturing, as well as being a pioneer of Industry 4.0/IIoT. As a member of the FRABA group, POSITAL has a history dating back to 1918 and has played a significant role in the development of rotary encoders and other sensor products. POSITAL has a global presence with subsidiaries in Europe, North America, and Asia and works with sales and distribution partners worldwide.
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Rotary Encoder Manufacturer Ranking
*Including some distributors, etc.Ranking as of November 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Celera Motion |
7.3%
|
| 2 | Velmex |
5.8%
|
| 3 | DR. JOHANNES HEIDENHAIN GmbH |
4.7%
|
| 4 | Bison Gear & Engineering Corp. |
3.7%
|
| 5 | Phoenix America LLC. |
3.7%
|
| 6 | ifm efector, inc. |
3.7%
|
| 7 | Fagor Automation Corp. |
3.1%
|
| 8 | Electro-Sensors, Inc. |
3.1%
|
| 9 | Everight Position Technologies Corp. |
3.1%
|
| 10 | Pepperl+Fuchs Inc. |
3.1%
|
Derivation Method
The ranking is calculated based on the click share within the rotary encoder 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
- ALPS ALPINE CO., LTD: 29,926
- Pepperl+Fuchs Inc.: 7,100
- Ono Sokki: 613
Newly Established Company
- MultiDimension Technology: 2010 (14 years ago)
- CENO Electronics Technology Co.,Ltd: 2009 (15 years ago)
- Phoenix America LLC.: 2000 (24 years ago)
Company with a History
- Gurley Precision Instruments, Inc: 1845 (179 years ago)
- DR. JOHANNES HEIDENHAIN GmbH: 1889 (135 years ago)
- FRABA Inc. - POSITAL: 1918 (106 years ago)
Rotary Encoder Manufacturers in United States
*Including some distributors, etc.
- Bison Gear & Engineering Corp.
- Badger Meter, Inc.
- Red Lion
- Broadcom
- Bourns, Inc
- Electro-Sensors, Inc.
- Anaheim Automation, Inc.
- Grayhill, Inc.
- Sensata Technologies, Inc.
- Applied Motion Products, Inc.
- Fagor Automation Corp.
- Gurley Precision Instruments, Inc
- ifm efector, inc.
- Celera Motion
- Velmex
- Pepperl+Fuchs Inc.
- Allied Electronics, Inc.
- Phoenix America LLC.
- Everight Position Technologies Corp.
Global Distribution of Rotary Encoder Manufacturers by Country
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
United States of America
|
19 | 44.2% |
|
Japan
|
6 | 14.0% |
Germany
|
5 | 11.6% |
Italy
|
5 | 11.6% |
China
|
3 | 7.0% |
Switzerland
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2 | 4.7% |
Lithuania
|
1 | 2.3% |
India
|
1 | 2.3% |
Taiwan
|
1 | 2.3% |
List of Rotary Encoder Products
26 products are listed.
Hans Turck GmbH & Co.
Absolute Lotary Encoda Single Turned Industrial Line IO-Link
50+ people viewing
It surely monitors the rotation speed and detects the position, direction, and angle of the rotation. Encoda can be used for various industrial mea...
Rocky Co., Ltd.
Analog sensor TMR rotary / Linear Encoder Sensor AET Series
60+ people viewing
■ AET series The AET series is a new rotation/linear sensor encoder of off -axis using tunnel magnetic resistance (TMR). Please contact us as there...
Fourty ICG Japan Co., Ltd.
Field bus compatible encoder AC58 series CC-Link
60+ people viewing
■ Features ・ CC-LINK converter integrated type ・ Up to 42 axes can be directly connected to the bath line ・ Mechanical batteryless multi -turn ...
Swallow wireless Co., Ltd.
Sliping optical rotary ensemble
50+ people viewing
There are four types: 27 -type ultra -small slip rings, 35 -type standard slip rings, 42 -type thin multi -polar slipping, 35 optical rotary encoders.
