12 Meter Relay Manufacturers in 2024
This section provides an overview for meter relays as well as their applications and principles. Also, please take a look at the list of 12 meter relay manufacturers and their company rankings. Here are the top-ranked meter relay companies as of April, 2024: 1.SPECTRUM INDUSTRIES. INC., 2.Tri-State Instrument Laboratory, 3.ELECTRO-METERS COMPANY LIMITED.
Table of Contents
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What Is a Meter Relay?
A meter relay is a device combining a meter gauge with a contact output function. Commonly used in power and control systems, it not only displays values like a regular meter gauge but also detects abnormalities and responds promptly to system issues.
Applications of Meter Relays
Meter relays have diverse industrial applications:
1. Power System Control
Used in power circuits, meter relays prevent overloads by detecting overcurrent and disconnecting the circuit. They also manage voltage fluctuations and integrate renewable energy sources, monitoring energy generation and supply for stable power system operation.
2. Equipment Control
These relays monitor and control machinery such as pumps and fans. By setting upper and lower current limits, meter relays can detect and respond to equipment malfunctions, such as air trapping in pumps, and trigger alarms.
Principle of Meter Relay
Meter relays consist of a sensing section, a pointer/spring mechanism, and a relay section. They detect current and voltage through built-in sensors. When the sensed value overlaps with the setpoint on the relay, an internal spring mechanism triggers a contact action, generating an output. Some models use a contactless transistor output.
Types of Meter Relays
Meter relays vary based on the input signal:
1. Current Relay
Current relays detect current using a built-in current transformer (CT), which converts high current to a lower, detectable level. They are used for electric motor protection and overcurrent protection in power distribution lines.
2. Voltage Relay
Voltage relays use built-in voltage sensors (Potential Transformers or PTs) to detect and convert high voltage to a lower, manageable level. These relays are vital for voltage protection and control in power systems.
3. Temperature Relay
Temperature relays use sensors like thermistors or thermocouples to detect and respond to temperature changes, protecting equipment and systems from overheating and maintaining temperature within a specific range.
List of 12 Meter Relay Manufacturers
*Including some distributors, etc.
Sort by Features
- Default
- Company Size: largest first
- Year Founded: oldest first
- Year Founded: earliest first
Sort by Area
- United States of America
- Canada
- Japan
- Taiwan
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Weschler Instruments
METER RELAYS
Company Overview
Weschler Instruments, founded in 1941 as Weschler Electric, is an American manufacturer and distributor based in Cleveland, Ohio, specializing in electrical and electronic measuring instruments. Within its product lineup, the company offers a range of instruments, including analog meters, digital bargraph and power meters, transformer monitors, and the Zahn viscometer, accompanied by relevant accessories. Additionally, the company supplies products from other manufacturers, encompassing current, instrument, and voltage (potential) transformers, as well as power and energy management instruments. Test equipment, measurement, and control accessories are also available. The company serves various industries, including electric power, oil and gas, mining, marine, and wastewater management.
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Tri-State Instrument Laboratory
Meter Relays
Company Overview
Tri-State Instrument Laboratory was established in Tulsa, Oklahoma in 159. Tri-State is a distributor and provider of calibration and related services. Tri-State also manufacturers voltage dividers, motor rotation indicators, and phase sequence indicators. Calibration services include calibration of various types off multimeters, clamp meters, electrical and resistance testers, power recorders, loop, process, and temperature calibrators, infrared and contact thermometers, and analog and digital panel meters. In addition to calibration services, Tri-State specializes in meggers, process calibrators, clamp meters, thermometers, multimeters, and other products such as digital counters, ,hour meters, and hard cases.
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SPECTRUM INDUSTRIES. INC.
Series 239 Meter Relays
Distributor Overview
SPECTRUM INDUSTRIES. INC., since 1993, is an electrical distributor of AC and CD measurements and controls in Massachusetts, USA. The products are instrument transformers, panel and power meters, power transducers, current shunts, and control switches. It also produces indoor and outdoor transformers, CCVT’s, control power transformers, SSVT’s, and CVT’s. The company offers technical support, engineered customized products, and contract manufacturing. It works with international and domestic suppliers with same-day shipping and no minimum order size.
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W.E.I. Inc.
Meter Relays
Distributor Overview
W.E.I. Inc., headquartered in Syracuse, NY, is an authorized distributor, modification center, NIST calibration, and repair facility for industrial instrumentation. The company offers a product line, including analog meters, multimeters, accessories, test equipment, analog elapsed time meters, as well as analog panel meters, analog switchboard meters, clamp-on multimeters, and current probes. These products find applications across various industries where precise measurement and testing are critical. Aditionally, the company has accredited in-house NIST calibration capabilities provided by a certified company. Calibrations are performed and tracked using industry-recognized Fluke standards and the Fluke MET-CAL Software. All calibrations include AS-FOUND and AS-LEFT data.
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MAKE CO.,LTD.
Display / control equipment
Manufacturer Overview
MAKE CO. LTD. has been a manufacturer of level meters and switches since 1995, headquartered in Osaka, Japan. The company manufactures various instruments and products, including bubble surface sensors, interface meters, emulsification sensors, charge detectors, and more. These products feature different explosion-proof specifications, ensuring safety in potentially hazardous environments. Additionally, the company can accommodate custom orders that have unique requirements when it comes to level measurement and control, tailored to meet the precise needs of its customers. The company's products find applications across multiple industries, including those with stringent safety requirements and challenging operational conditions.
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Watanabe Electric Industry Co. Ltd.
angle-type non-contact meter relay
Manufacturer Overview
Watanabe Electric Industry Co. Ltd. are manufacturers of measurement and control instruments since 1940 in Japan. The company deals in signal converters, digital panel meters, non-contact meter relays, and electric current recorders. The signal converters are used to isolate and convert signals to prevent current ground loops, protect from external noise, signal boosting, and more. Digital panel meters also have various applications such as filter clogging monitors, weight measurement, conveyor rotation speed management, and many other uses. The equipment is known for its accuracy and stability while being in use.
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ADTEK ELECTRONICS CO., LTD.
Power Transducer
Manufacturer Overview
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.
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Omron
K3MA-J
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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Hoyt Electrical Instrument Works Inc.
6000 series Analog Panel Meter Relays
Manufacturer Overview
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.
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Mod-Tronic Instruments Limited
Meter Relays
Company Overview
MOD-TRONIC Instruments Limited was established in 1972 in Brampton, Ontario, Canada. MTis a distributor of industrial sensors, transducers, heaters, controls, and instrumentation, primarily made in the USA as well as Japan, Switzerland, and Germany. MT’s customers are primarily in the aerospace, building automation, manufacturing, medical, military, oil and gas, and water treatment industries but also serves individuals. MT offers an above industry standard 5-year warranty and technical support on every product sold.
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HIOKI E.E. CORPORATION
Meter Relays
Company Overview
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.
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ELECTRO-METERS COMPANY LIMITED
Meter Relays & Controllers
Distributor Overview
ELECTRO-METERS COMPANY LIMITED established in 1963 is a supplier of electrical measuring instruments, meters, indicators, transformers, and controllers based in Pickering, Ontario, Canada. Specializing in electrical and electronic equipment, its product ranges from a comprehensive array of measurement tools, data loggers, and laboratory instruments. The company plays a pivotal role in providing pioneering solutions for industries such as electronics, telecommunications, and manufacturing. With a legacy of over half a century, it remains loyal to delivering dependable and accurate measurement technology, supporting revolution and progress across various sectors.
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Meter Relay Manufacturer Ranking
*Including some distributors, etc.Ranking as of April 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | SPECTRUM INDUSTRIES. INC. |
18.2%
|
| 2 | ELECTRO-METERS COMPANY LIMITED |
13.6%
|
| 3 | Hoyt Electrical Instrument Works Inc. |
13.6%
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| 4 | Weschler Instruments |
13.6%
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| 5 | Tri-State Instrument Laboratory |
13.6%
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| 6 | HIOKI E.E. CORPORATION |
13.6%
|
| 7 | W.E.I. Inc. |
9.1%
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| 8 | Mod-Tronic Instruments Limited |
4.5%
|
Derivation Method
The ranking is calculated based on the click share within the meter relay page as of April 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
- HIOKI E.E. CORPORATION: 1,009
- Watanabe Electric Industry Co. Ltd.: 190
Newly Established Company
- MAKE CO.,LTD.: 1995 (29 years ago)
- ADTEK ELECTRONICS CO., LTD.: 1990 (34 years ago)
- Mod-Tronic Instruments Limited: 1972 (52 years ago)
Company with a History
- Watanabe Electric Industry Co. Ltd.: 1940 (84 years ago)
- Weschler Instruments: 1941 (83 years ago)
- Tri-State Instrument Laboratory: 1959 (65 years ago)
Meter Relay Manufacturers in United States
*Including some distributors, etc.
Global Distribution of Meter Relay Manufacturers by Country
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
United States of America
|
4 | 40.0% |
Japan
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3 | 30.0% |
Canada
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2 | 20.0% |
Taiwan
|
1 | 10.0% |
List of Meter Relay Products
4 products are listed.
Shinko Technos Co., Ltd.
Digital Metalille AIS1
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