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This section provides an overview for sound level meters as well as their applications and principles. Also, please take a look at the list of 54 sound level meters manufacturers and their company rankings. Here are the top-ranked sound level meters companies as of July, 2025: 1.Teledyne FLIR LLC, 2.TSI, 3.Traceable(R).
Table of Contents
Sound level meters are devices that measure environmental noise, and noise emitted by machinery.
In measuring noise level, it is necessary to consider how people hear the sound, rather than simply measuring the volume. Therefore, the 'noise level' calculated by weighting the sound pressure of loud or unpleasant sound is used to measure the degree of noise.
There are two types of sound level meters, the ordinary sound level meters and the precision sound level meters, depending on the accuracy of noise measurement.
Sound level meters are mainly used in industrial applications.
They are used to measure machine noise at construction sites and factories. The permissible limit of noise is set by law, and it is necessary to confirm that the noise standard is met during construction work or when new machinery is introduced.
In addition, when constructing a house, the noise level inside the house must be kept below the standard value. Therefore, sound level meters are used to measure the noise emitted from surrounding roads and trains before construction.
Sound level meters consist of a microphone, amplifying amplifier, frequency weighting unit, noise level calculation unit, and display unit.
The principle of sound level meters can be divided into the following three steps:
The role of the microphone is to pick up the surrounding sound and convert it into an electrical signal. The microphone uses a diaphragm to measure the frequency by the vibration period of the diaphragm and the sound pressure by the vibration width. The electrical signal generated by the microphone is then amplified by an amplifying amplifier.
Sound level meters are classified into two types according to the measurement accuracy of the microphone: Sound level meters and precision sound level meters.
The frequency of the electrical signal amplified by the frequency weighting section is weighted according to the frequencies that are easy for people to hear.
The role of the noise level calculation section is to calculate the noise level using the weighted frequencies and sound pressure. The calculation is performed using the equal loudness curve.
A wide variety of sound level meters are available in a wide price range from several thousand yen to several hundred thousand yen. When using a sound level meter, it is necessary to select one according to the application.
Sound level meters are selected when highly reliable data is required, such as in university research or in the evaluation and development of acoustic equipment.
Sound level meters are suitable for measuring the environmental noise of factories and residences, although they are not required to be accurate enough to be submitted to public organizations.
Sound level meters are the best choice if you want to check the noise level as a rough guide.
Although it is inferior to the former in terms of performance such as accuracy and frequency band, it can be purchased at a price starting from several thousand yen, and anyone can easily measure the noise level.
When selecting sound level meters , it is necessary to consider the frequency response. There are two types of frequency response, "A-response" and "C-response.
The "A-weighted" frequency response is a weighting of frequencies according to the human auditory sensitivity. It is suitable for measuring daily life noise. Basically, all products are based on the A-weighted frequency response.
The "C characteristic" is easy to detect in any frequency band. If you want to measure motor driving noise accurately, you should select the product with C characteristic, which are less affected by frequency response.
The most important thing to keep in mind when using sound level meters is the effect of reflected sound. Sound level meters should be placed as far away from walls and other objects as possible when measuring sound, because sound reflects when it strikes an object. Ideally, the distance should be at least 3.5m.
Sound level meters should be mounted on a tripod or something similar, with the microphone facing the sound source. If the sound level meters are held by the person taking the measurement, he/she should keep the sound level meters as far away from his/her body as possible to avoid picking up the reflected sound from the body.
*Including some distributors, etc.
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Ono Sokki is a Japanese electronic measurement equipment manufacturer with over 70 years of history. Since 1954, as the first company in Japan to develop digital tachometer for jet engines, we have been active as professionals in automotive testing, as well as mechanical acoustics and vibration analysis. Our expertise led to the development of Japan's first box-type FFT analyzer. We provide industry-leading high-precision instruments with comprehensive support, backed by reliable calibration and maintenance services.
Traceable was established in 1978 and is headquartered in Webster, Texas, US, as a manufacturer and designer of serialized, calibrated, and certified Traceable lab instruments. The product portfolio includes thermometers, barometers, hygrometers, manometers, controllers, timers, clocks, stopwatches, and lab tools. These products find applications in diverse fields, serving purposes such as temperature and atmospheric pressure measurement, humidity monitoring, pressure measurements, process control, timekeeping, and laboratory analysis. These products are utilized across various industries, including healthcare, laboratory, and industrial sectors, as well as in biopharmaceutical industries.
L-com was founded in 1982 and is headquartered in North Andover, Massachusetts. The company serves many industries including electronics, medical, industrial automation, military, and telecommunications a manufacturer and servicer of wired and wireless communications products. The company’s custom product capabilities include customized cable assemblies, WiFi antennas, adapters, and surge protectors. Through its parent company, Infinite Electronics, the company offers a broad range of RF components and assemblies to over 100,000 global customers.
EXAIR was incorporated in 1983 and based in the suburbs of Cincinnati, Ohio. EXAIR is a manufacturer of compressed air-operated products to solve problems in industrial plants. Customer solutions EXAIR addresses include cooling, cleaning, coating, conveying, drying, industrial housekeeping, static elimination, and optimization. EXAIR products include vortex tubes, air amplifiers, air knives, air-operated vacuums, ionizing products, air wipes, static eliminators, vacuum generators, vortex tubes, cabinet coolers for standard and hazardous location, cold gun air coolant systems, and other accessories.
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.
Ono Sokki is a measuring instrument manufacturer focused on the tasks of applying digital technology to measurement applications, and has a proud history in that field, including development of Japan's first digital counter in 1954, and myriad products using digital technology. Our taste for innovation, however, is not limited to hardware; we provide not only measurement solutions but also to offer intuitive and integrated analysis software that matches the sophistication of modern technology.
PCB Piezotronics, founded in 1967 and headquartered in North Carolina, is a manufacturer of sensors for design engineers and predictive maintenance. They design and manufacture various sensors such as microphones, vibration, pressure, force, and torque sensors. Their products are used for testing, measurement, monitoring, and control requirements in automotive, aerospace, military, and other industries in order to gather accurate data, ensure safety, enable predictive maintenance, and facilitate advancements across multiple industries. PCB Piezotronics is a subsidiary of Amphenol Corporation.
ACO Pacific is an internationally known manufacturer and supplier of measurement microphones and microphone systems. The company was established in 1982 and is based in Belmont, California. The company product portfolio includes calibrators, conventional and outdoor windscreens and acoustical/emi isolators. The company end-user customer base includes the Automotive Industry, Electrical and Electronics, aerospace and more. The company OEM relationships have included Agilent Technology, Audio Precision, DRA Labs, Goldline and many other.
TSI, headquartered in the United States, is a supplier of instruments and measurements solutions since 1961. The company provides measurement, application guidance, and data analytics solutions that enables customers to make informed decisions in pharmaceutical manufacturing, semiconductor and electronics manufacturing, or cleanroom certification. Their instruments have helped organizations and individuals measure materials, analyze data, and comply with requirements of every kind.They also have product development, manufacturing and customer support facilities on three continents with distributors and manufacturers’ representatives providing local support worldwide.
Quality Bearings & Components (QBC) has been a distributor of bearings and related motion control components since 1950. The company is under the Designatronics division, headquartered in New York, USA. The company supplies various bearings, such as ball, roller, thrust, and spherical plain bearings. These components are critical in reducing friction and facilitating smooth motion in machinery and equipment. The company also has other motion components, including bushings, rod ends and linkages, linear motion products, pillow blocks and flanges, and shafting. The company serves a broad customer across various industries, including manufacturing, automotive, aerospace, agriculture, and industrial machinery.
Shinwa Rules Co. was founded in Niigata, Japan, in 1971. Shinwa Rules Co. develops a variety of measuring products including calipers, thermometers, hygrometers, laser optical apparatuses, and sheet heating elements. Above these, Shinwa develops metallic rulers and squares. Additionally, Shinwa operates as an OEM supplier for special calibrations and machine tools, special surface fabrication, and etching on metallic parts.
Tianjin Zwinsoft Technology Co. Ltd. is a developer and manufacturer of environmental monitoring instruments and software that was established in Tianjin, China, in 2010. The company offers online monitoring devices for various environmental parameters, including volatile organic compounds (VOCs), motor vehicle exhaust, and catering oil fumes. It also offers cloud-based environmental data analysis platforms and custom software development services for unique customer projects. The company’s products are commonly used in environmental protection, industrial processing, and urban management operations.
Fiama, established in 1913 and headquartered in Parma, Italy, is a manufacturer of the market mechanical, electrical, electro-mechanical measurement and control instrumentation. The company offers a range of products, including measurement, control instrumentation, and position indicators. It also provides handwheel indicators, rotary encoders, and more. Its product is suitable for reducing speed and increasing torque. Moreover, the company has achieved UNI EN ISO 9001 certification. Its products are mainly intended for manufacturing machinery for the food, packaging, wood, glass, and ceramic industries.
Norsonic AS is based in Lierskogen, Norway, and is a manufacturer of sound as well as vibration measurement instrumentation that was established in 1974 before becoming a part of the Rion group in 2022. The company’s specialized product lineup includes acoustic cameras for sound source localization, sound level meters for assessing acoustics or sound intensity, and calibration accessories for its portfolio products. It also offers accelerometers and inclinometers for measuring the physical properties of usable spaces. Aside from its products, the company provides custom sensor design and manufacturing for unique client projects, as well as software for data analysis and cloud-enabled monitoring.
HT Italia S.r.l., established in 1983 and based in Faenza, Italy, is a manufacturer of test and measurement instruments. The company designed and built MASTER HT2031 in 1992, a product performing safety testing on installations and simultaneously printing a professional report thanks to the built-in printer. From then on, it has built a product portfolio consisting of infrared cameras, environmental measurement instruments, photovoltaic testers, power quality analyzers and digital multimeters. The company has acquired the quality system certification ISO 9001, and supplies its safety testers with calibration certificates made with calibrating equipment traceable to SIT or NAMAS.
Trotec GmbH is a German manufacturer of air treatment and climate conditioning machines and equipment that was established in 1994 as a subsidiary of TKL GmbH. Based in Heinsberg, North Rhine-Westphalia, the company produces air conditioners and purifiers, as well as heaters, dehumidifiers, and ventilators. It also offers equipment for measuring or monitoring various air conditions, including pressure, humidity and flow. Aside from its products, Trotec GmbH also provides rental, calibration, repair, and training services to its clients in the commercial and industrial sectors.
S.A.M.A. Italia S.r.l., established in 1974 and headquartered in Viareggio, Italy, is a manufacturer of precision measuring and control instruments and calibration solutions. The product line includes an extensive range of options, such as flow meters, temperature sensors, pressure gauges, and calibration tools. These optimal-precision devices make it possible to precisely measure and regulate vital characteristics across an array of sectors, including petrochemical, manufacturing, automotive, and aerospace. The products' stability, accuracy, and longevity are essential to quality control and industry compliance in measuring and control solutions for organizations all over the world.
Cirrus Research plc is a manufacturer of noise measurement instruments. Established in 1970, the company is headquartered in Hunmanby, United Kingdom. The company's main activities encompass designing and producing noise measurement and monitoring instruments. Its product range includes noise nuisance recorders, environmental noise monitors, vibration meters, sound level meters, noise dosimeters, and noise measurement software. The company serves industries such as environmental, occupational health, and construction and its applications include Noise At Work, Environmental, and Noise Nuisance. Cirrus Research offers services like calibration and technical support.
MAHA Maschinenbau Haldenwang GmbH & Co. KG is a German manufacturer of vehicle testing technology products that was established in 1969 in Haldenwang, Bavaria. The company offers lifting technology products such as mobile column lifts, vehicle testing technology products such as axle load scales, and brake testing products such as brake force meters. It also offers emission and headlight testing products, along with software solutions for its portfolio items. The company’s products are commonly used by client OEM/ODMs and automotive manufacturers.
Wöhler Technik GmbH, established in 1932 and based in Bad Wünnenberg, Germany, is a manufacturer of measurement instruments. The company produces products such as gas analyzers, soots, inspection cameras, pipe cleaning devices, and temperature-measuring equipment. Apart from this, the company also produces measuring, inspection, and cleaning equipment for building services. Plumbers, chimney sweeps, and installers use the tools manufactured by the company. The company has five subsidiaries in different locations, such as France, the Czech Republic, Austria, Italy, and the Netherlands.
Pulsar Instruments Plc is a British manufacturer specializing in noise measurement equipment established in 1969 and based in Yorkshire, England. The company produces various sound level meters, vibration meters, and acoustic calibrators for monitoring or measuring noise levels. It also offers personal noise exposure meters, noise activated warning signs that signal when wearing hearing protection is necessary, and audiometry equipment for hearing screening purposes. The company provides various training courses, as well as product recalibration and equipment rental services.
Casella CEL, Inc., founded in the UK in 1799, is a manufacturer of occupational and environmental monitoring equipment for the benefit of workers' health. The company's product portfolio includes noise monitoring, dust monitoring, vibration monitoring, perimeter monitoring, and boundary monitoring solutions. The company serves industries such as manufacturing, construction, mining, and public facilities to assess exposure levels to improve worker and community health. It uses eminent figures including David Livingstone and Charles Darwin with instrumentation for exploration and scientific work.
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.
TECPEL CO.,LTD. was established in 1990 and is a manufacturer of test and measurement devices based in Xindian, New Taipei City, Taiwan. The company manufactures various devices such as digital thermometers, temperature humidity transmitters, digital pH meters, digital handheld multimeters, and light meters datalogger. The products are manufactured under the CE requirements standards. The company was awarded the Asia-Pacific e-Business Champions of the Year 2008 from Alibaba. The company participated in various exhibitions such as Taitronix Exhibition, The 9th Taipei International Instrument Exhibition, and The Automotive Electronics Show 2018.
Established in 2006, Testo India Pvt. Ltd., a Pune, India-based subsidiary of Testo SE & Co. KGaA, is a manufacturer and supplier specializing in measuring instruments. Complying with the ISO/IEC 17025:2017 standard set by the National Accreditation Board for Testing and Calibration Laboratories (NABL), the company produces measuring instruments for temperature, humidity, pressure, and flow (bulk fluid movement). The company also offers electrical, sound level, and nanoparticle measuring devices. These products are designed for industrial applications with regard to heating, ventilation, air conditioning, and refrigeration (HVAC-R), as well as environmental monitoring technology, in sectors like food service, retail, and pharmaceuticals.
Founded in 1944, Rion Corporation, based in Tokyo's Kokubunji City, is a precision equipment manufacturer. It specializes in three main sectors: environmental measurement instruments for noise and vibration analysis, medical equipment for hearing tests and hearing aids, and particle counters for semiconductor and pharmaceutical cleanliness measurement. Rion boasts significant market share in Japan, driven by its advanced technology and service excellence. In environmental measurement instruments, it offers noise meters, vibration meters, and frequency analyzers. In 2022, Rion expanded its environmental division by acquiring Norsonic AS, a prominent noise meter manufacturer. The company caters to diverse customers worldwide, including government agencies, research institutions, manufacturing industries, and R&D departments. With eight subsidiary companies (five in Japan and three overseas) and a global agent network spanning approximately 60 countries, Rion Corporation maintains a strong global presence.
Digitron Italia was founded in 2003 in Italy and it is a marketer, designer and manufacturer of industrial measurement instrumentation and wireless monitoring solutions. The product range comprises portable instrumentation, fixed instrumentation, data loggers, wireless monitoring solutions, HMI software, weather devices, and industrial data loggers. Additionally, Digitron Italia partnered with the Olympics in Turin for the 2006 Winter Olympics and in Vancouver for the 2010 Winter Olympics. The company holds ISO certification. They also manufacture scientific tools such as incubators, centrifuges, densitometers, and scientific bioreactors.
OROS is a multinational company founded in 1985 and headquartered in Grenoble, Germany known as a designer and manufacturer of noise and vibration testing systems. The company offers a wide range of products designed for various industries such as automotive, aerospace, and industrial manufacturing. Its Nexa Series Process Analyzers provide real-time insights, SpectraView Spectrophotometers ensure precise color measurement, XtremeSense Environmental Sensors monitor environmental conditions, InovaHUB Data Integration Platform integrates data for insights, and FuturaTech AI Solutions employ AI for various applications.
Promax Test & Measurement SLU, founded in 1963 and based in Barcelona, Spain, is a manufacturer of telecommunication instrumentation and electronics equipment. The ISO 9001-certified company stocks products like digital modulators for broadcast, earth resistance meters, and optical fiber fusion splicers used to provide testing solutions for satellite, cable, and digital terrestrial television. It stocks over 200 products at its Barcelona facility, with 18 calibration centers and several service centers worldwide. It produces on-demand PCB circuit boards and electronic equipment and offers software development, training, and industrial design services.
Sinus Messtechnik, established in 1990, and based in Leipzig, Germany, is a manufacturer and supplier of measurement systems. The product portfolio of the company includes diverse range of sound level meters, noise dosimeters, measurement and monitor systems, sensors, software, and accessories. The products are used in various applications which include environmental noise, occupational safety, automobile, aircraft, customized solutions, and multi-channel data capture systems. The company also offers support for hardware maintenance and repairs.
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.
Neurtek International SRL, founded in 1979, is a manufacturer headquartered in Eibar (Gipuzkoa), Spain, specializing in equipment and technical solutions for quality control. The company's offerings encompass a range of coating test equipment, which includes instruments for testing adhesion, impact resistance, skid resistance, flexibility, and test panels. The company also provides viscosity cups, along with film thickness meters designed for measuring dry and wet coatings on various substrates, including ferrous and non-ferrous materials. Furthermore, the company offers spectrophotometers, colorimeters, lighting booths, as well as laboratory equipment, including pH meters. These products serve diverse industries such as automotive, aerospace, chemicals, and research institutions.
CENTER TECHNOLOGY CORP., founded in 1998 and headquartered in New Taipei City, Taiwan, is a manufacturer of handheld test instruments distributed worldwide. Its diverse product line includes Clamp Meters for current measurement, Gas Detectors to detect gases, Sound Level Meters for sound pressure measurement, Light Meters to gauge light intensity, and Thermometers for temperature measurement. Its adherence to producing quality test instruments has solidified its name globally in the field.
Extech Instruments Corp., founded in 1971 in the USA and acquired by Teledyne FLIR in 2007, is a manufacturer of consumer test and measurement tools. Today, the brand’s extensive catalog of handheld test equipment and accessories includes multi-functional handheld meters, including meters with integration with mobile devices via the use of iOS and Android apps and Bluetooth connectivity. Extech brand products are distributed across more than 100 countries worldwide and available for purchase online.
Kanomax USA, Inc. (KMUS) is an American manufacturer of air quality monitoring and testing instrumentation established in 2006 as a subsidiary of Kanomax Japan Inc., which was founded in 1951. The company produces sound and vibration meters, indoor air quality (IAQ) monitors, airflow testing equipment, and particle counters for use in HVAC validation or environment testing. They also offer after-sales services including calibration and repair for customers in need of technical support. KMUS serves clients in various industries including the HVAC, construction, medical, and industrial manufacturing sectors.
Chauvin Arnoux began in 1893 in France and took off in 1905 with the invention of the magneto ohmmeter. Chauvin Arnoux is an integrated manufacturer of portable test and measurement instruments used in the electrical sector, education, laboratories, and maintenance. A sample of Chauvin Arnoux’s products include calibrators, electrochemical measurements, relays, analystical software, and accessories. Chauvin Arnoux also offers industrial subcontracting, leveraging its large network of independently operating yet functionally integrated subcontractors’ abilities to manufacture and install PCBs, specialty items, sheet metal, tooling, and more.
Brüel & Kjr, originally founded in 1942 with headquarters in Denmark, is a manufacturer of precision measuring technologies and measuring equipment. The company merged with Hottinger in 2019, a manufacturer of combustion engines and turbo chargers, and shared expertise in precision-accurate technologies, and Hottinger Brüel & Kjr, HBK, was born. HBK's new company's products include high-calibration systems, industrial electronics, vibration testing equipment, combustion engines, and acoustic end-of-line test systems for OEMs. HBK's services include custom solutions such as acoustic-tuned turbine engines used in wind-power infrastructure projects, among many others.
Kaise Corporation, established in 1955 and headquartered in Ueda City, Nagano Prefecture, Japan, is a manufacturer and supplier of electronic measuring instruments. Its product lineup includes battery checkers, jump starters, code readers, as well as oscilloscopes, and circuit testers, primarily used in automotive maintenance. Additionally, the company offers digital multimeters, clamp meters, and insulation resistance meters. Its SK-8550 Battery Checker received the 2016 Maintenance Support Award at the Automotive Newspaper Accessories Awards.
CESVA instruments s.l.u., founded in 1969, is a manufacturer and supplier based in Barcelona, Spain, developing precision microphones and acoustic instruments. With its own research and development department and patented products, the company offers sound-level meters, noise sensors, and calibrators. Other products, such as logger-limiters, vibrometers, and transducers, are also part of its product range. These products are distributed to more than 40 countries worldwide, utilized in airborne and impact sound insulation, permanent noise monitoring in smart city infrastructures, and industrial noise and vibration measurement for health risk assessment. The company also develops software applications to complement all its products.
TENMARS ELECTRONICS CO., LTD., established in 1991 and based in Taipei, Taiwan, is an ISO-9001-certified manufacturer and supplier of test and measurement instruments. The company's product range includes test and measurement devices, wireless network tools, environmental monitoring equipment, health and safety devices, HVAC tools, and electrical and maintenance instruments. These products assist professionals in diverse analytical and testing tasks. Industries served include electronics, telecommunications, environmental management, healthcare, and HVAC. The company is used in the design, production, and distribution of user-friendly and quality instruments.
Bega International B.V., founded in 1978 and operating as a subsidiary of Schaeffler Group, is a manufacturer and supplier based in Vaassen, The Netherlands, specializing in maintenance tools. The company offers a range of mounting tools designed to facilitate the damage-free process of machine assembly. These products include bearing fitting tool sets, handheld precision heaters, and middle-frequency generators. It also manufactures dismounting tools for disassembly, including hydraulic, mechanical, and mobile pullers. Marketed under the BETEX brand, these products find applications in various maintenance settings, such as railway and subway, power transmission systems or gearboxes, as well as mining equipment.
One-Too Company is a French manufacturer and distributor of control and measurement products that was established in Carros, Alpes-Maritimes in 1992. The company primarily produces various sensors including torque, displacement, temperature, and force sensors. It also offers signal conditioners, data acquisition systems, and data management and analysis software. Aside from its products, the company provides consultation, testing and calibration services to its clients in the automotive, rail, aerospace, and industrial manufacturing sectors.
GRAS Sound and Vibration, established in 1994 and based in Denmark, is a manufacturer of measurement microphones and acoustic equipment. The company is a part of the sound and vibration industry and they provide measurement applications and solutions for customers in the fiels of aerospace, automotive, audiology, and consumer electronics. GRAS does transactions through subsidiaries and distributors in more than 40 countries. Aside from manufacturing, the company also provides repair and calibration services for their clients with regards to their products.
Delta OHM S.r.l., established in 1978 and based in Caselle di Selvazzano, Italy, is a manufacturer and supplier specializing in meteorological devices. The company's product portfolio includes ultrasonic anemometers, particulate matter transmitters, barometric pressure transmitters, thermometers, and other devices. These devices are utilized in various industries, including environmental monitoring, meteorology, renewable energy, agriculture and food, as well as health and safety. The company holds both ISO 9001:2015 and ISO 14001 certificates, and it employs more than 330 individuals across sixteen global locations.
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.
ACO Co., Ltd., established in 1972 and headquartered in Hachioji-shi, Tokyo, Japan, is a manufacturer, distributor, and exporter of sound & vibration measuring instruments and sensors. The company manufactures high-temperature specification, preamplifier integrated, and measurement condenser microphones in various sizes including, ⅛ inch, ⅙ inch, ¼ inch, ½ inch, and 1-inch, which are utilized in construction and medical industries. ACCO also manufactures various vibration products including vibration level meters, acceleration pickups, vibration calibrators, as well as acoustic products such as ear simulators, windscreens, sound calibrators, windscreens, and infrasonic meters & sensors.
LTF S.p.A., established in 1965 and headquartered in Antegnate, Lombardia, Italy, is a magnetic equipment and tools manufacturer, distributor, and supplier. The company's product portfolio includes electromagnetic and permanent magnet supports complete with core drills, immersion motor pumps, and precision tapping machines. It offers a total of over 30,000 products, 19 proprietary trademarks, and 16 exclusive brands, among which are CAT, Uniconfort, and Aircraft Drucklufttechnik pneumatic tools. In 1993, LTF SpA achieved its first SIT accreditation and established the LTF Calibration Center, which provides certified instrument calibrations for manufacturers.
PeakTech Prüf- und Messtechnik GmbH, established in 1957 and based in Ahrensburg, Germany, is a manufacturer and supplier of electronic measurement technology. The company's product portfolio includes multimeters, voltage testers, thermal imaging cameras, isolating transformers, and sound level meters, as well as calibrators. These products are applied in various industries, including electrical engineering, environmental monitoring, aviation, telecommunications, and research and development. The company provides customer services, including technical support, repair, service requests, and product development.
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.
Ranking as of July 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Teledyne FLIR LLC |
5.9%
|
| 2 | TSI |
5.6%
|
| 3 | Traceable(R) |
5.1%
|
| 4 | Larson Davis, Inc., A PCB Group Co. |
5.0%
|
| 5 | B&K Precision Corporation |
4.6%
|
| 6 | Ono Sokki |
4.6%
|
| 7 | EXAIR LLC |
3.5%
|
| 8 | L-com |
3.3%
|
| 9 | SINUS Messtechnik GmbH |
3.3%
|
| 10 | PROMAX Test & Measurement SLU |
2.9%
|
Derivation Method
The ranking is calculated based on the click share within the sound level meters 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
|
10 | 23.8% |
|
Japan
|
6 | 14.3% |
|
Germany
|
6 | 14.3% |
|
Italy
|
5 | 11.9% |
|
United Kingdom
|
4 | 9.5% |
|
Taiwan
|
3 | 7.1% |
|
France
|
2 | 4.8% |
|
Spain
|
2 | 4.8% |
|
China
|
1 | 2.4% |
|
Norway
|
1 | 2.4% |
|
Netherlands
|
1 | 2.4% |
|
Denmark
|
1 | 2.4% |
43 products found
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■What are digital earplugs? This device can only cancel out environmental noise, allowing you to clearly hear calls, announcements, and ringtones e...
Bitstrong Co., Ltd.
900+ people viewing
Last viewed: 8 hours ago
The exterior design is novel, small and convenient to carry (APP only supports Bluetooth version). It can be applied to various environmental noise...
Meishin Koki Co., Ltd.
450+ people viewing
Last viewed: 14 hours ago
■Summary Small and lightweight (approximately 330g) 24-bit, 4-channel vibration and noise analysis system Features ■Small and lightweight (approxi...
Japan INSDAC Co., Ltd.
250+ people viewing
Last viewed: 5 hours ago
■Features Frequency weighting characteristics for both dBA and dBC
Meishin Koki Co., Ltd.
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Last viewed: 14 hours ago
■Summary ・Highly efficient measurement, analysis, and recording while listening to sound ・One unit can measure noise, record sound, analyze frequ...
Meishin Koki Co., Ltd.
410+ people viewing
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■Summary ・No PC required for analysis. 24-bit, 100 kHz, 4ch analysis high-performance front-end model ・All FFT analyzer operations can be perform...
Custom Co., Ltd.
1390+ people viewing
Last viewed: 4 hours ago
Various types of products are available, from simple models to models that support multiple frequency characteristics and response speeds. ■ Data ...
Custom Co., Ltd.
1000+ people viewing
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Various types of products are available, from simple models to models that support multiple frequency characteristics and response speeds. ■ The s...
Custom Co., Ltd.
1130+ people viewing
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Various types of products are available, from simple models to models that support multiple frequency characteristics and response speeds. ■ "Digi...
Custom Co., Ltd.
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Various types of products are available, from simple models to models that support multiple frequency characteristics and response speeds. ■ A dig...
Hottinger Brüel & Kjær
350+ people viewing
Last viewed: 18 hours ago
■Sound level meter - B&K 2245 WORK NOISE PARTNER This sound level meter-based survey solution simplifies employee safety jobs, including compliance...
Hottinger Brüel & Kjær
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■2245-P Sound Level Meter + PRODUCT NOISE PARTNER This sound level meter-based product noise measurement solution provides reliable, hard data in a...
Hottinger Brüel & Kjær
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■HBK 2255 Sound Level Meter - BUILDING ACOUSTICS PARTNER By combining the HBK 2255 Sound Level Meter with HBK's architectural acoustics sound sourc...
Hottinger Brüel & Kjær
360+ people viewing
Last viewed: 16 hours ago
■2 channel handheld analyzer The 2-channel Class 1 sound level meter includes everything needed to perform accurate environmental, work environment...
Hanshin Trading Co., Ltd.
780+ people viewing
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■An Afro buddy who is noisy. Measure, record, and transfer the volume to a computer in real time. Sound level meter, sound test master The Sound Te...
Sortec
580+ people viewing
Last viewed: 12 hours ago
Si204 Loud measuring instrument Maximum value retention and reset are easy, ideal as a loud measuring instrument. The SI -204 displays the noise l...
A-Gas Japan Co., Ltd.
1630+ people viewing
Last viewed: 58 minutes ago
■Features ・For noise management at any site ・Can be calibrated using a separately sold noise calibrator ・Accuracy (94dB/1kHz) ±2dB
3 models listed
A-Gas Japan Co., Ltd.
2270+ people viewing
Last viewed: 3 hours ago
■Features ・Supports A/C characteristics, FAST/SLOW ・50dB dynamic range
3 models listed
A-Gas Japan Co., Ltd.
790+ people viewing
Last viewed: 15 hours ago
■Features - Comes with an SD card, so data can be easily downloaded to a PC without software ・Supports A/C characteristics, FAST/SLOW ・For measur...
A-Gas Japan Co., Ltd.
210+ people viewing
Last viewed: 19 hours ago
■Features ・Essentials for accurate noise measurement -Easy and quick proofreading ・Can be connected to microphones of 1 inch, 1/2 inch, and 1/4 i...
