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This section provides an overview for power meters as well as their applications and principles. Also, please take a look at the list of 75 power meter manufacturers and their company rankings. Here are the top-ranked power meter companies as of July, 2025: 1.FLUKE Corporation, 2.ENM Company, 3.SAE Manufacturing Specialties Corp.
Table of Contents
A power meter is a device used to measure the power consumed by electrical and electronic equipment, also known as loads.
A power meter is inserted between a power source and a load to calculate power from the product of the applied voltage and the flowing current (voltage x current). In AC (alternating current), a phase difference between voltage and current affects the power calculation, making simultaneous measurement essential.
Recently, the quality of the power supply has become a crucial concern, with some meters featuring functions to evaluate the waveforms of voltage, current, and power.
With the rising importance of reducing energy consumption to address global environmental issues, there's an increasing need for power meters to monitor the power consumption of various electrical and electronic equipment. Their applications range from electricity saving in households to power monitoring systems in factories and buildings. Highly accurate and sophisticated power meters are also vital for assessing phase angle, power factor, harmonics, flicker, distortion, noise, etc., in development and production environments.
Electric power, the product of voltage and current, is calculated by measuring these two parameters. For direct current, where both are constant, power calculation is straightforward. However, in alternating current, the phase difference between voltage and current requires continuous measurement of their instantaneous values at the same time.
The power consumed by the load, known as effective power, is the integration and average of the instantaneous power over one cycle. Effective power can be calculated as V × I × cos(θ), where V is the effective voltage, I is the effective current, and θ is the phase difference between voltage and current.
AC power calculations also include reactive power and apparent power, essential for evaluating the efficiency and stability of power supply systems, especially in industrial and utility settings. The power factor, the ratio of active to reactive power, is a key metric for efficiency improvement strategies.
Generated by the phase difference between current and voltage, reactive power oscillates between the power source and the equipment, influenced by the inductive and capacitive components of the load, and is calculated as V x I x sin(θ).
Representing the actual flow of current and voltage in a system, apparent power's equation is the square root of the sum of active power squared and reactive power squared.
Identify the measurement target (power, current, voltage, power factor, etc.) and the required accuracy, as the measurement range and resolution vary by application.
Power meters come in analog and digital forms. Analog meters display instantaneous values, while digital meters offer digital displays and data logging capabilities. Choose based on use, environment, and readability.
Evaluate the power factor and accuracy of the power meter, selecting products that maintain a high power factor.
Modern power meters often feature communication interfaces (like Modbus or Ethernet) and data acquisition capabilities, essential for real-time data collection or remote monitoring.
*Including some distributors, etc.
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Virginia Diodes, Inc.- VDI was founded in 1996 in Charlottesville, Virginia as a manufacturer of test and measurement equipment. The company provides a wide range of products designed for millimeter-wave and THz transmit and receive systems. The testing and measurement equipment includes Vector Network Analyzer, Spectrum Analyzer, and Signal Generator Extension Modules. There asl also Transmitter, Receiver, and Passive components and modules along with Diodes. These millimeter wave and Terahertz devices, components, and systems, have uses in the scientific, military, and commercial markets.
Headquartered in Everett, Washington, Fluke is an American-born company operating since 1948. Fluke offers a variety of testing equipment including digital multimeters, thermal cameras, solar PV testing equipment, thermometers, oscilloscopes, leak detection devices, as well as testing-equipment related accessories. Fluke offers direct online sales.
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.
Spanawave is a manufacturer of radio frequency and microwave solutions for the Test and Measurement needs of Military, Aerospace, Telecom, Industrial, and Scientific Research organizations. The company was founded in 2002 and is based in Roseville, California, with manufacturing facilities in San Ramon, CA. Their products are: various of RF and IF, Assemblies, Transceivers, Test & Measurement Microwave Components, and Test Fixtures from DC to 26GHz. Spanawave also produces the whole line of: Giga-tronics Microwave Power Amplifiers, Power Meters, Sensors, and Network Measurement equipment after purchasing Giga-tronics' Test and Measurement product line.
TEGAM, established in 1979 and headquartered in Geneva, Ohio, USA, stands as a manufacturer and provider of advanced test and measurement solutions. The company serves industries such as electronics, telecommunications, and aerospace. Its product line encompasses precision measurement tools, temperature and humidity measurement devices, and RF power sensors, addressing the needs of sectors that prioritize precise measurements. TEGAM's quality is evident through its ISO 9001 certification and industry awards. American Association for Laboratory Accreditation (A2LA) has also accredited this company for its specific calibrations listed on Certificate Number 2018.01.
B&K Precision Corporation, established in 1951 and headquartered in Yorba Linda, California, stands as a manufacturer and supplier of test and measurement instruments. Its offerings span various industries and applications, including power supplies and DC electronic loads for power testing, signal generators for signal creation, component testers for evaluating electronic components, oscilloscopes for signal waveform analysis, and spectrum analyzers for frequency spectrum measurement. These solutions provide more options for electronic system design and development across education, research, engineering, production, and maintenance sectors. The company holds ISO 9001:2015 certification for its quality management.
Telednye LeCroy was established in 1964 in Chestnut Ridge, New York and is a designer and manufacturer of oscilloscopes, modular data acquisition, sensors and calibrators for testing and improving design processes. The company makes LCR meters, electronic loads, torque sensors and load cells, PCI Express, and waveform generators for these industries: military and aerospace, consumer electronics, telecommunications, semiconductor and automotive. It also provides protocol technology training, automotive and device Interoperability testing, and signal integrity academy training services.
Boonton Electronics, founded in the United States in 1947, is a manufacturer of RF test equipment. It offers a vast catalog of RF and microwave test equipment for various applications, including radar, avionics, electronic warfare, satellite, and wireless communication. The company also provides a range of services that include test, repair, upgrade, and calibration services to ensure accuracy and reliability for clients in the military and commercial sectors, as well as local government officials and community organizations.
Rohde and Shwarz, headquartered in Munich, Germany, is a technology business that creates, develops, and promotes innovative information and communication technology products for professionals. Customers all over the world rely on Rohde & Schwarz and its cutting-edge solutions in the test & measurement, secure communications, networks & cybersecurity, and broadcast & media areas. They were created in 1993 and have regional hubs in Asia and the United States.Rohde & Schwarz has invested heavily in emerging technologies such as artificial intelligence, the industrial internet of things (IIoT), 6G, cloud solutions, and quantum technology.
Hanlo Gage & Engineering Co., founded in Livonia, Michigan, in 1942 is a manufacturer of gaging equipment. The company's product portfolio includes Dimensional Gages, Surface Roughness Gages, Height Gages, Coordinate Measuring Machines (CMMs) and Bore Gages. Their products are used in markets such as Automotive and Transportation, Telecommunications, Industrial Automation, Healthcare and Medical Devices and Aerospace and Defense. The company has a national distribution network and a customer and technical support center.
Based in Bayville, NY, SAE Manufacturing Specialties Corp. is an ISO-certified supplier and manufacturer of industrial equipment, chemicals, components, ordinance, electronics, and systems for industries ranging from aerospace to high tech to law enforcement. Examples of product offerings include raw materials, chemicals, and lubricants for industrial purposes to finished products such as security helmets for law enforcement, and military ordnances. SAE also provides research and development as well as technical support for other companies in similar industries.
ENM Counting System Designers, founded in 1957, headquartered in Chicago, Illinois, is a manufacturer and supplier of counting systems and electronic control devices. They offer a range of products, including electronic counters, hour meters, tachometers, and timers. These products serve industries such as manufacturing, logistics, healthcare, and transportation. Their products finds application in various industrial processes, including production line monitoring, inventory management, equipment maintenance scheduling, and vehicle tracking. ENM's products are utilized to track production output, monitor equipment usage, measure time-based activities, and improve operational efficiency in industrial environments.
Energy Care Technologies, located in Doral, Florida, is a manufacturer and provider of energy-efficient technology, including thermostats, cables, protection panels, and inverters. The company works on energy efficiency improvement in generation, transmission, distribution, and utilization. Conveniently situated near the Miami International Airport, Energy Care Technologies efficiently serves the US domestic market and international clientele. Collaborating with a network of sales associates and professional contractors throughout North and South America, the company actively promotes and implements sustainable energy-efficient technologies. Their technology is applied in smart homes, energy management systems, and power generation equipment, among others.
Krytar, Inc. is an American ISO 9001 certified manufacturer specializing in microwave and millimeter wave components and devices since 1975. Based in Sunnyvale, California, the company produces a range of products including directional couplers, power dividers, and terminations that absorb wave signals and prevent reflection — as well as RF components and test equipment for commercial and military use. Krytar products are used in the defense, aerospace, and communications sectors. The company also provides engineering and calibration services for clients with demanding specifications.
ALL-TEST Pro, LLC, since 1985, is a manufacturer of electric motor predictive maintenance (PdM) equipment and condition monitoring tools fused in AC & DC electric motors, coils, generators, windings, and transformers. The electric motor testing devices include all-test pro 7, all-safe pro accessories, all-test pro-md III, and MCA and ESA software. The company in Old Saybrook, CT, serves the commercial, government, and military industries with the products and offers upgrades & trade-in services, and device calibration services, with all devices recalibrated annually.
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.
Fiber Instrument Sales, Inc., an American company founded in 1985 and headquartered in Oriskany, New York, is a manufacturer and distributor of communication fiber optic products. The company's product portfolio includes AFL fiber optic cleaning tools, fiber optic patch cords, fiber optic cables, test equipment, and other fiber optic products. These products find applications in various industries, including telecommunications, cable television, healthcare, education, and the government and public sector. The company is ISO 9001:2015 certified and offers services, including technical support, training, custom manufacturing, sample requests, and product catalogs.
Coherent, founded in 1971, and located in Saxonburg, Pennsylvania, is a manufacturer, supplier and distributor of laser and photonics-based solutions. Their product range includes lasers, optics, and laser-based systems for industries such as industrial, communications, electronics, and instrumentation markets. Coherent's lasers are used in precision cutting, welding, medical procedures, and scientific experiments. With ISO 9001 certification, the company ensures quality standards in their products, and solutions across various industrial applications.
Keysight Technologies, Inc. was founded in 1939 and headquartered in Santa Rosa, California. Keysight is a global developer and manufacturer of electronic design and test solutions to communications, networking, aerospace, defense, and government, automotive, energy, semiconductor, electronic, and education industries. Keysight’s communications solutions group solutions include electronic design automation software; radio frequency and microwave test solutions, hardware and virtual network test platforms and software applications, as well as optical laser source solutions. Keysight’s electronic industrial solutions group offers various design tools and verification tools. Keysight offers product support, technical support, and training and consulting services. It sells its products through direct sales force, distributors, resellers, and manufacturer's representatives.
CS INSTRUMENTS USA is based in Bluffton, South Carolina, and is the American subsidiary of CS INSTRUMENTS headquartered in Tannheim, Germany. CS INSTRUMENTS was established in 2002 is a manufacturer and distributor of compressed air technology and related products, generally used in industrial and manufacturing settings. CS product lines encompass a complete compressed air monitoring system with individual segments including dew point, compressed air quality, leak detection, chart recording, and software. Many of these components can be used in other capacities, such as flow measurement devices in underwater settings such as marine or water treatment industries.
Industrial Electric Machinery, also known as IEM, was originally founded in 1988 as Northwest Motor Service. IEM serves industrial customers with products and services including motors, relays, transformers, UPS batteries, and more. IEM offers 4 primary product categories: Controls such as low voltage VFDs and transformers, gearboxes & couplings, motors, and power distribution including MCCs and automatic transfer switches. IEM also offers field service including 24/7 availability for troubleshooting, analysis, calibration, field testing, and repairs. Additional services such as training courses and warehousing of spare equipment is also available.
AppMet, Inc was founded in 1993 in North Charleston, South Carolina. AppMet is a calibration and testing company offering dimensional, physical & mechanical, and electronic & electrical calibration services in climate-controlled laboratories as well as on-site calibrations when possible. AppMet is ISO/IEC 17025 as well as Full Service ISO-99001 certified. Electronic calibrations are made with all types of electrical and electronic test equipment from analog multimeters to RF spectrum analyzers. Physical and mechanical calibrations and tests are performed with equipment ranging from analytical balances to vacuum gages. Dimensional calibrations are performed with equipment ranging from 1-2-3 blocks to angle plates to thickness gages.
Supply Solutions was founded in the early 2000s and operates out of Stonewood, West Virginia. Supply Solutions is a wholesale distributor serving the telecommunications industry, including traditional CATV operators, independent telephone companies and FTTX providers, as well as the contractors that support these operations. Supply Solutions offers hardware including aerial hardware including sub-components and parts,, cables, conduits, fiber optics, power supplies, sealants, test equipment, drop & instillation products, FTTX equipment including optical enclosures, headend products, underground equipment, wireless equipment, poles, as well as test equipment.
Twittlebit.com is located in Lexington, Kentucky. Twittlebit is a distributor of industrial equipment and components divided into 8 sub-stores including: sensors, HMI & PLC, visual & audio , panel components, and pneumatic & vacuum. The company offers next day delivery to Kentucky and neighboring states, and 2-to-3-day delivery to most other states of in-stock products. The company offers in-stock selection of many top brands such as Autonics, EEControls, Panasonic, and Cembre. The company can also in-source many hard to find products directly from Japan from companies such as IDEC, Canon, Omron, and Fuji Electric in 7-to-10-days.
Bailey Motor Equipment Co. was established in 1933 and located in Orlando, Florida. Bailey Motor Equipment Co. serves the agriculture, industrial, oil and gas, automotive, and marine trades to customers globally. Bailey Motor Equipment Co.’s offerings include PIC liquid filled gauges, pressure and vacuum gauges, switches, float switches, relays, temperature gauges, fluid level switch gauges, electric gauges, battery chargers, as well as additional products including remote communication components, remote communication packages, voltmeters, and fuel tank lines.
MICROTEST CORPORATION is located in Taipei City, Taiwan was founded in 1993 is a manufacturer of precision and automatic measuring instruments and equipment. The company offers a diverse product range including DC bias current systems, LCR meter impedance analyzers, and HI POT impulse testers. These products find applications in measuring the impedance in the HV electrical system of the electric vehicles to connect the components, assisting engineers in measuring the permeability of magnetic materials drawing the permeability curve analysis, and accurately measuring the parameters of the power supply.
Vitzro EM Co is based in Seoul, South Korea, and is a manufacturer of electric power systems and equipment that was established in 1989 as a subsidiary of the Vitzro Group. The company offers vacuum circuit breakers (VCBs) that utilize vacuum pressure to interrupt electric currents, and gas-insulated switchgears (GIS) that utilize pressurized gas to interrupt or insulate electric currents. It also offers power transformers for transmission, generation, or distribution applications. The company chiefly serves client operators of industrial plants, electric utilities, and renewable energy arrays.
UnidataFC srl was established in 1951 and is a manufacturer of analog instruments, digital instruments, and automatic control systems based in Castellanza, Varese, Italy. The company offers various products in the portofolio, such as MID energy counters, earth leakage relay, voltage transformers, industrial remote controls, and AC current transformers. Various solutions also offered by the company as a service such as flat membrane keyboards, remote control keyboards, and industrial radio controls. The company has passed the certification of ISO 9001 for the qualitative and structural adjustment.
Impedans Ltd. is a manufacturer of plasma and radio frequency (RF) measurement technology that was established in 2005 in Dublin, Ireland. The company produces various RF and plasma sensors, as well as diagnostic systems. These products include substrate level sensors that use retarding field analyzers, bulk plasma sensors utilizing Langmuir probes for measuring key plasma parameters, and RF sensors that use impedance analyzers. The company‘s products are mainly used by semiconductor manufacturers, research institutions, and green energy distribution facilities.
Lumen was founded in 1953 and is headquartered in Zielona Góra, Poland. The company is a manufacturer of industrial automation devices including transducers, network parameter analyzers, and analogy meters, primarily serving water & gas utilities, solar energy production, electronics, and manufacturing. The company’s product categories consist of network parameter meters and analyzers, digital and analog meters, current transformers, and shunts. The company offers customers OEM, EMS, and ODM services in the scope of housing, designing, electronics, mechanics, hardware, and software.
Changzhou Tonghui Electronic Co. Ltd. is a manufacturer of electronic testing and measurement instruments founded in 1994 and based in Changzhou, Jiangsu, China. The company produces equipment used for testing and measurement processes, and related accessories. Its products include capacitance meters, insulation testers for electrical safety compliance testing, and automatic semiconductor test systems. It also offers data loggers, power supply units, and test leads. The company's products are mainly used by clients in the microelectronics, semiconductor, and defense sectors.
ADTEK ELECTRONICS CO. LTD. is an ISO 9001 certified manufacturer of power meters founded in 1990 and based in New Taipei City, Taiwan. The company's products include various process indicators, power measurement devices, and signal converters. It also offers energy management system software, along with OEM/ODM, engineering, and customization services for clients with unique project requirements. The company's products are mainly used in the power generation and distribution sectors, with additional applications in industrial manufacturing, building automation, and environmental protection.
Celsa Messgerate-España S.L. was established in 1940 and is a manufacturer of current transformers and measuring equipment based in Moncada, Valencia, Spain. The company offers various products such as current transformers, analogue meters, universal measuring instruments, hour counters, and digital panel meters. The products have been used in various applications such as industrial factories, construction technology, power generation, water supply, and solar panels. The products are manufactured under the compliance of CE and IEC quality standard.
GFUVE ELECTRONICS, founded in 2005 and headquartered in Beijing, China, is a manufacturer of electronic measurement and test equipment. The company offers an extensive product portfolio, including split-core current transformers, high-voltage ammeter recorders, IEC61850 test suite software, monitoring systems for pumping units, and phantom load power sources. These products are applied by researchers and engineers in laboratories and educational institutions, maintaining the stability and reliability of the electrical grid, controlling energy generation from sources like solar panels, and monitoring power distribution systems to track the flow of electricity.
DFUN Co. Ltd., established in 2013 and headquartered in Zhuhai, China, is batteries and energy storage solutions manufacturer and supplier. The company's products include a battery monitoring system, UPS monitoring controllers, and smart lithium-ion batteries. It also provides a cloud-based battery monitoring platform that integrates with its products, and provides solutions for UPS and data centers, a targeted battery monitoring system for DC distribution applications in power plants, and a battery monitoring system for various telecommunication applications. The company's after-sales services include 24-hour support and the supply of operator training courses.
Anritsu Corporation, established in 1931 and based in Atsugi, Japan, is a manufacturer of electronic measuring instruments, quality assurance systems, and Information and Telecommunication equipment and devices. Its test and measurement products include power meters, power sensors, and conformance test systems, while X-ray inspection systems, metal detectors, and checkweighers ensure food safety and security. Other products like instrumentation-grade adapters and optical sensing equipment are used in IT. The company’s stock was listed in the 2nd section of the Tokyo Stock Exchange in 1961, and in 1968, it was listed in the 1st section.
VPInstruments, established in 1999 and based in Delft, Netherlands, is a manufacturer and supplier of energy management tools and flow measurement equipment. The company's product range includes Energy Monitoring devices, Flow meters, Dew point sensors, Power meters, and Installation tools. These products assist in detecting leakages, monitoring efficiency, and allocating costs. Primarily, the products serve industries such as the manufacturing of materials, steel, glass production, food & beverage, automotive, and textile. The company's services include energy management, compressed air flow metering, energy savings initiatives, and remote asset monitoring.
Tes Electrical Electronic Corp., founded in 1988 and based in Taipei, Taiwan, is a manufacturer of test instruments that are sold worldwide. Its products include digital earth testers, LAN cable meters, micro-ohmmeters, power analyzers, and battery capacity testers, used in various areas, including clean room inspection, measuring electrical energy waste, evaluating solar system performance, light testing, and monitoring exposure levels of noise. The company has an annual revenue of 10 million USD. It is ISO 9002 certified, and its calibration laboratory is TAF (Taiwan Accreditation Foundation) and ilac-MRA accredited.
Siemens began in 1847 and is headquartered in Munich, Germany. Siemens focuses in automation and digitalization technology and operates globally. Siemens’s 5 operating segments are digital industries, smart infrastructure, mobility, Siemens Healthineers, and Siemens Financial Services. Siemens Financial Services provides debt and equity investment as well as financing solutions. Siemens Healthineers is a medical devices company that provides products and consulting. Mobility includes passenger and freight transportation. Smart infrastructure includes full solutions for electrification. Digital industries offer both software and hardware for industries and production efficiency.
KIKUSUI ELECTRONICS CORP., founded in Yokohama, Kanagawa in 1951 is a manufacturer od electronic measuring instruments, electronic loads, and safety test equipment. The company's product portfolio includes Electrical Safety Testers, EMC Testers, Harmonics and Flicker Testers, Battery/Capacitor Testers, and AC Electronic Loads. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation. The company provides services such as Product Selection Guidance, Engineering Support, and Custom Manufacturing.
Blue Jay Technology Co. Ltd., established in 2013 and headquartered in Chongqing City, China, is a manufacturer of power automation monitoring products and energy meters. The company's product includes DIN rail energy meters and insulation monitoring devices for electric vehicles. It also offers OEM/ODM services such as replacement of UI design (type OEM-I), changes on existing products (type OEM-II), and new designs available on demand (ODM). Its product can display power usage in real-time, helping users understand their power quality and usage, and optimize power usage. It serves industries such as power automation monitoring, mechanical contracting, transportation, and manufacturing.
Sfere Electric is a manufacturer of electrical application technology products established in 1998 in Wuxi, China. The company produces a wide range of products for electrical safety, electrical monitoring, and power quality management purposes. These include digital power meters, energy storage device control systems, and voltage stabilizers for power supply efficiency. The company also offers cloud services including maintenance, control, and management platforms for large operations. Its products are used by clients in data centers, railway systems, and industrial manufacturing facilities.
Founded in 1940, Kyoritsu has an 80 year history as a customer-focused organization specializing in multimeters. Kyoritsu provides analog multimeters as well as digital multimeters with and without clamps offering many varieties of measurement.
NF Corporation was founded in 1959 and is headquartered in Yokohama, Japan. The company serves automobile, clean energy technologies, aerospace, and digital appliance industries. The ISO 9001 and ISO 14001 certified company combines a vertically integrated approach of development, engineering, manufacturing, sales, and field services. The company’s product segments include function modules, electric measurement instruments, and power supply and control products. The company also builds customized products for customers including EMC testing systems, lithium-ion battery charging and discharge testing systems, and bipolar power amplifiers.
Yokogawa Test & Measurement Corporation was founded in Japan in 1954. Yokogawa currently serves a wide array of industries including the aerospace, automotive, consumer electronics, semiconductor and telecommunications industries with both hardware and software solutions. Among Yokogawa’s suite of products are oscilloscopes, voltage probes, power analyzers and meters, data acquisition tools, optical test equipment, a wide variety of handled meters, calibrators, and testers; analog instruments, and manometers.
DS Instruments, founded in 2012 and based in Gardenville, Nevada, US, is a manufacturer of compact and economical Microwave Test Equipment. The company offers a wide range of products including Microwave & RF Signal Generators, Digital RF Step Attenuators, Power Meters, Phase Shifters, and Gain Blocks among others. The company’s products are controllable via USB PC GUI, automated SCPI COM port commands, Ethernet connection, and front push buttons. Its products serve various fields including aerospace, military, communications, education, and more.
Bird Technologies, based in Solon, Ohio, is an American manufacturer specializing in radio frequency (RF) measurements. The company was established in 1942 by J. Raymond Bird after his invention of the RF wattmeter. Bird's product solutions cater to various industries. The company's RF power sensor solutions and calibrated test and measurement products, aligned with the National Institute of Standards and Technology (NIST), find applications in commercial and military sectors. In 2010, Bird acquired X-COM Systems, an American manufacturer of advanced RF signal recording and analysis tools. This acquisition enabled Bird to develop X-COM products for electromagnetic spectrum analysis.
Satec Ltd. is a manufacturer of power quality analysis and power metering products established in 1987 and headquartered in Jerusalem, Israel. The company offers standard power meters for data logging and measuring power in real time, branch feeder monitors for tracking power distribution branches, and power quality analyzers for ensuring optimal power quality and voltage ranges in industrial settings. It also offers substation automation and retrofitting services for customers requiring additional support. The company’s products are used by client utility companies, power distributors, and energy management authorities.
Hoyt Electrical Instrument Works Inc., established in 1904, is a manufacturer of analog and digital panel meters, transformers, shunts, switches, and personal safety devices, located in Penacook, New Hampshire, the United States. The company’s products are designed to meet and exceed industry standards. It offers a wide range of test and measurement instruments, making its a comprehensive solution for customers’ needs. It is not only an analog panel manufacturer, but also has evolved to provide value-added custom solutions that keep the world spinning in the right direction.
Spire Metering Technology, established in 2006 and headquartered in New Jersey, USA, is a manufacturer of flow measurement and energy metering products. The company’s products include portable ultrasonic flowmeters, wall-mount ultrasonic flowmeters, and ultrasonic water meters for residential and commercial/industrial use. It offers BTU measurement meters such as the TP10 and 280T, electrical power meters such as the 101E and 103E, and magnetic flowmeters including the MAG 888-DC and MAG888. The company also provides telephone troubleshooting, installation assistance, and NIST traceable calibration services. Its products are used in water and wastewater management, building automation, and pulp and paper manufacturing industries.
Panel Components & Systems, Inc. is based in Stanhope, New Jersey, USA, and is a manufacturer of electrical instruments and components established in 1992 before its acquisition by Germany’s PC&S GmbH. The company primarily offers products for controlling or protecting electrical circuits such as protective relays, and products for monitoring or measuring electrical parameters such as analog meters. It also offers specialized DC test equipment, including generator controllers and resistors. The company’s products are commonly used in power generation, transportation, and automation operations.
Advantech was established in 1981 and is a manufacturer and supplier of embedded computing and intelligent connectivity system solutions based in Taiwan. The company offers various IoT hardware and software solution products, including arm-based computing platforms, industrial display systems, advanced video appliances, wireless industrial automation sensors, and industrial ethernet switches. The products created by the company have been certified with REACH Compliance certificate. The company has partnered in the WISE-Marketplace Ecosystem with other businesses, including Anewtech Systems, Ibcon, Mirai Electronics, Lubi Electronics, and BioEnergy Projects Sdn Bhd.
UNI-TREND TECHNOLOGY CO., LTD. was established in 1988 and is a manufacturers of measuring and imaging devices based in Dongguan, Guangdong, China. The company produces various products such as digital multimeters, electrical power testers, DC electronic loads, handheld thermal cameras, and thermal imaging monoculars. The products are used in various applications such as industry electricity, environment monitoring, communication, photovoltaic power station, and ranging and mapping. The company has obtained ISO 9001 and ISO 14001 certifications.
Shenzhen Linshang Technology Co., Ltd., established in 2008 and headquartered in Shenzhen, China, is a manufacturer of measuring instruments. It specializes in five main categories of instruments, including solar film measurement, optical transmittance, ultraviolet measurement, gloss and coating thickness measurement, and thickness and hardness measurement. Some of its products include Solar Film Transmission Meters, Spectrum Transmission Meters, UV Energy Meters, Gloss meters, and Portable colorimeter. The company offers its products online, available through Aliexpress or Alibaba.
Socomec is based in Gurgaon, Haryana, India, and is a manufacturer of power safety and control products that was established in 2007 as a subsidiary of the Socomec Group. The company’s product lineup includes uninterruptible power supply (UPS) systems for protecting important electronic installations, power meters for monitoring applications, and automatic as well as manual transfer switches for managing or protecting the supply of power. The company is ISO 14001 and ISO 45001-certified, and mainly serves clients in the commercial and industrial sectors.
ITECH Electronic Co.Ltd, established in 2000 at Taiwan, Japan is a manufacturer of regenerative power supply equipment and testing solutions for power systems. The company with unique research and analysis manufactures advanced power testing solutions that come with intelligent technology, eco-friendly concepts as well as creativity offering enhanced performance. Their products involve source measure unit, Ac/DC Power supply, electronic load, power meter and discharge test systems. These products find applications in automotive electronics, electric vehicle, semiconductor, battery recycling and medical electronics. These equipment are highly regenerative and help handle performance gaps, test electric flow and ensure uninterrupted power supply from sources.
NOARK is based in Pomona, California, and is a global manufacturer of low-voltage electrical components for industrial applications. NOARK specializes in motor controls and protection for original equipment and manufacturers with products covered by five-year limited warranties. NOARK parts are used in numerous solutions such as HVAC and refrigeration, industrial food equipment, panel builders, digital storage, and engine generators. NOARK’s main product lines include low-voltage power circuit breakers, molded case circuit breakers, miniature circuit breakers, overload relays, and circuit control devices.
SENECA srl, established in 1986 and based in Via Austria, Italy, is a manufacturer and supplier of automation interfaces. Its product portfolio includes data acquisition, automation systems, industrial communications, remote control, power monitoring, and electrical measurement. They are used in multiple industries which include steel, water treatment, automotive, oil, gas, chemical, metal, and pharmaceutical. The company also offers automation solutions ranging from single components to the implementation of turnkey systems.
Gossen Metrawatt GmbH, founded in 1906 as Guggenheimer AG and currently a subsidiary of GMC Instruments Group, is a manufacturer and supplier based in Nürnberg, Germany, developing measuring technology systems. The company’s measuring and test technology is designed for electric safety in systems, devices, and machines. This technology is also applicable in areas such as e-mobility and medical engineering. It also offers battery testing technology, multimeters, calibrators, and power supply technology. Its product range further includes technology developed by other companies, such as Camille Bauer Metrawatt AG, including indicator instruments and transducers.
Scitec Instruments Ltd is an ISO 9001:2015-certified manufacturer and distributor of photonic products that was established in Taunton, Somerset, United Kingdom, in 1983. The company’s products include lock-in amplifiers for measuring sensitive signals with noise rejection, optical choppers for modulating beams of light at user-specified frequencies, and energy meters for analyzing laser power output. The company also provides custom design and development services for its clients in research and educational institutions and the industrial sector.
Wuhan Radarking Electronics Corp., established in 2002 and based in Wuhan, Hubei, China, is an ISO 9001-certified manufacturer of smart meters and IoT solutions for smart homes. The company’s products include smart water meters for gauging the water consumption of a structure, smart electric meters for measuring electricity consumption, and energy consumption information software solutions for collating long-term analytics of usage patterns. It also offers IoT energy consumption sensors for monitoring energy consumption in smart grids. The company’s products are used in public as well as private infrastructure development, as well as in the construction of smart homes and automated facilities.
Kutai Electronics Industry Co Ltd, established in 1977 and based in Taiwan, China, is a manufacturer and supplier of automation systems and solutions. The company’s product portfolio includes generator automatic voltage regulators, automatic transfer switches, battery charges, controllers, and automatic main failure. Its products are used in multiple industries including automotive, construction, chemical, power generation, oil, and gas. The company also offers quality control with assurance, ISO-certified products, and maintenance services.
PCE Instruments UK Ltd., started in 199 and headquartered in Manchester, UK, is a manufacturer and supplier of test instruments, equipment, and tools for weighing, measuring, and control systems. The company offers more than 500 test equipment, including analyzers, inspection cameras, meters, detectors, and sensors, with applications in various fields like data acquisition, electrical engineering, environmental science, building inspection, and food processing. Its manufacturing and development division is ISO 9001 certified, all its test instruments, equipment, and tools are factory calibrated, and the company also provides services for custom test instrument design, installation, and maintenance.
Fluke Calibration, established in 1948, headquartered in Everett, Washington, is a manufacturer, distributor, and supplier of precision calibration equipment and software. Their products include temperature calibrators, electrical calibrators, and pressure calibrators, serving industries such as aerospace, automotive, manufacturing, and pharmaceuticals. Their calibration solutions ensure accurate measurements, compliance with industry standards, and traceability. Their products are used to calibrate and maintain the accuracy of instruments, making them essential tools for industries that require precise measurements and consistent performance.
Delta Electronics, Inc. was founded in 1971 and is a manufacturer and supplier of power and thermal management products based in Neihu, Taipei, Taiwan. The company manufactures products such as high current SMT power inductors, switching power supplies, and general chassis mount filter. The products are used in various industries such as heavy industry, machine tool, and power quality management. The company has obtained the certificate of ISO 9001, ISO 14001, and ISO 16949 standards.
Trane is a manufacturer of HVAC systems originally established in 1913 in La Crosse, Wisconsin, USA before being acquired by Trane Technologies in 2020. The company specializes in heating, ventilation, and air conditioning (HVAC) systems with applications in various industries. These include heat pumps, air conditioners, and air handlers for controlling air quality. The company primarily serves industrial and commercial clients, but also offers products for residential use. Some of its products can be found in the Burj Khalifa, the Pentagon, and the Louvre Museum.
Hioki E.E. Corporation was founded in 1935 and headquartered in Ueda, Nagano. Hioki provides testing & analysis, manufacturing & inspection, and equipment maintenance to industries including mobility, battery, motor, energy, electronic components, and infrastructure. Hioki’s has 10 primary product categories which are: recorders and data loggers including oscilloscopes, LCR/Resistance Meters, safety testing including signal generators and calibrators, power meters including power quality analyzers, probes & sensors, optical & PV maintenance & telecommunication, environmental measuring, DMM & testers & field measuring, IoT & new solutions & meter relay, and bare board & package testing.
Value Tronics International Inc., founded in 1992 and based in Elgin, Illinois, is a distributor of a wide range of equipment, such as signal generators, power supplies, and spectrum analyzers. The company stocks over 8,000 products, including used and new equipment from over 300 manufacturers like Berkeley Varitronics, Compression Techniques, and Delta Elektronika. It also buys obsolete and unused testing and lab equipment, which includes meters, oscilloscopes, and data loggers. The company provides financing options that allow customers to pay for purchases later. It also has a loyalty program where customers earn a 2% credit after a purchase.
SCLE is a high-tech company based in Toulouse, France, and was established in 1973. The company is a provider of IT and electronics for energy and rail systems. It includes manufacturing of electronic and computer equipment for high voltage and rail substations for clients working in electricity and rail transport. The company’s principal clients are energy producers, and energy transport/distribution network operators. The services offered are engineering, manufacturing and integration, onsite commissioning and operation, and technical support.
Raditeq B.V., founded in the Netherlands in 1992, is a supplier of EMC/RF Test and Measurement Products. The company's product portfolio includes a diverse array of instruments, including spectrum analyzers, signal generators, EMC analyzers, RF amplifiers, and more. It also offers expert guidance, product consultation, and technical and customer support. The company serves markets such as telecommunications for supporting efficient network testing, spectrum analysis, and protocol validation for telecom equipment and networks, and electronics for enabling R&D, quality control, and manufacturing processes with precise EMC and RF testing capabilities.
Ranking as of July 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | FLUKE Corporation |
3.7%
|
| 2 | ENM Company |
3.6%
|
| 3 | SAE Manufacturing Specialties Corp |
3.5%
|
| 4 | TEGAM Inc. |
3.4%
|
| 5 | Spanawave Corporation |
3.0%
|
| 6 | Telednye LeCroy |
2.9%
|
| 7 | Omega Engineering, Inc. |
2.9%
|
| 8 | Krytar, Inc. |
2.8%
|
| 9 | Energy Care Technologies |
2.6%
|
| 10 | B&K Precision Corporation |
2.6%
|
Derivation Method
The ranking is calculated based on the click share within the power meter page as of July 2025. 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
|
25 | 45.5% |
|
Japan
|
7 | 12.7% |
|
China
|
6 | 10.9% |
|
Taiwan
|
4 | 7.3% |
|
Netherlands
|
3 | 5.5% |
|
Italy
|
2 | 3.6% |
|
Germany
|
2 | 3.6% |
|
United Kingdom
|
2 | 3.6% |
|
Republic of Korea
|
1 | 1.8% |
|
Ireland
|
1 | 1.8% |
|
Poland
|
1 | 1.8% |
|
Spain
|
1 | 1.8% |
38 products found
38 products
SIRC
2330+ people viewing
Last viewed: 3 hours ago
Visualization of power toward carbon native at the SIRC IoT Electric Power Sensor Unit! The SIRC IOT Electric Power Sensor Unit can be attached to ...
4 models listed
Custom Co., Ltd.
540+ people viewing
Last viewed: 1 day ago
Started power saving by knowing the amount of electricity used. "Eco Keeper®" that can measure electricity power by simply connecting an outlet and...
SIRC
250+ people viewing
Last viewed: 14 hours ago
■Summary ・Easy installation in 15 seconds ・Visualize active power ・No electrical or wiring work required ■Visualize active power in 15 seconds ...
2 models listed
Japan INSDAC Co., Ltd.
200+ people viewing
Last viewed: 1 day ago
■Features ・Single-phase and three-phase balance measures ・Auto range selection (WD3000) ・Small power measures ・Easy to connect and operate ・Ac...
Japan INSDAC Co., Ltd.
220+ people viewing
■Features ・Compact size ・Easy operation and stable work ・Safe socket and high reliability ・New designs and various types for you
TEXIO TECHNOLOGY CORPORATION
440+ people viewing
Last viewed: 2 hours ago
■Power meter with three-phase input GPM-8320/8330 is a digital power meter that supports multiple wiring methods (1P3W/3P3W/3P4W/3V3A). Compatible ...
TEXIO TECHNOLOGY CORPORATION
380+ people viewing
Last viewed: 1 day ago
■Power meter with three-phase input GPM-8320/8330 is a digital power meter that supports multiple wiring methods (1P3W/3P3W/3P4W/3V3A). Compatible ...
TEXIO TECHNOLOGY CORPORATION
370+ people viewing
Last viewed: 1 hour ago
■Power meter with three-phase input GPM-8320/8330 is a digital power meter that supports multiple wiring methods (1P3W/3P3W/3P4W/3V3A). Compatible ...
TEXIO TECHNOLOGY CORPORATION
370+ people viewing
Last viewed: 1 day ago
■Power meter with three-phase input GPM-8320/8330 is a digital power meter that supports multiple wiring methods (1P3W/3P3W/3P4W/3V3A). Compatible ...
TEXIO TECHNOLOGY CORPORATION
290+ people viewing
Last viewed: 1 day ago
■Power meter suitable for standby power measurement with abundant measurement parameters The GPM-8310 series is a single-phase power meter that has...
TEXIO TECHNOLOGY CORPORATION
310+ people viewing
Last viewed: 20 hours ago
■Power meter suitable for standby power measurement with abundant measurement parameters The GPM-8310 series is a single-phase power meter that has...
TEXIO TECHNOLOGY CORPORATION
310+ people viewing
Last viewed: 1 day ago
■Power meter with rich measurement parameters and suitable for standby power measurement The GPM-8213 series is a power meter that can measure stan...
TEXIO TECHNOLOGY CORPORATION
260+ people viewing
Last viewed: 16 hours ago
■Power meter with rich measurement parameters and suitable for standby power measurement The GPM-8213 series is a power meter that can measure stan...
T&M Corporation Co., Ltd.
210+ people viewing
■Product specifications: AC/DC: 1-600V/1μA-20A, accuracy: 0.15%, frequency band: 100kHz, 7-inch touch screen, waveform display, harmonic analysis, ...
T&M Corporation Co., Ltd.
180+ people viewing
Last viewed: 6 hours ago
■Product specifications: 3 channels, AC/DC: 1-600V/1μA-20A, accuracy: 0.15%, frequency band: 100kHz, 7 inch touch screen, waveform display, harmoni...
T&M Corporation Co., Ltd.
230+ people viewing
Last viewed: 2 hours ago
■Product specifications: 4 channels, AC/DC: 1-600V/1μA-20A, accuracy: 0.15%, frequency band: 100kHz, 7 inch touch screen, waveform display, harmoni...
T&M Corporation Co., Ltd.
200+ people viewing
■Product specifications: AC/DC: 1-600V/0.1μA-2A, accuracy: 0.15%, frequency band: 100kHz, 7 inch touch screen, waveform display, harmonic analysis,...
T&M Corporation Co., Ltd.
170+ people viewing
Last viewed: 1 day ago
■Product specifications: 3 channels, AC/DC: 1-600V/0.1μA-2A, accuracy: 0.15%, frequency band: 100kHz, 7 inch touch screen, waveform display, harmon...
T&M Corporation Co., Ltd.
200+ people viewing
Last viewed: 12 hours ago
■Product specifications: 4 channels, AC/DC: 1-600V/0.1μA-2A, accuracy: 0.15%, frequency band: 100kHz, 7 inch touch screen, waveform display, harmon...
Sanyu Electronics Industry Co., Ltd.
340+ people viewing
Last viewed: 1 day ago
■Features ・Voltage range: 15/30/60/150/300/600Vrms 1,200Vrms (optional) ・Current range: 0.005/0.02/0.05/0.2/0.5/2/5/20Arms ・Frequency range: DC/...
2 models listed
