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This section provides an overview for hygrometers as well as their applications and principles. Also, please take a look at the list of 34 hygrometer manufacturers and their company rankings. Here are the top-ranked hygrometer companies as of December, 2024: 1.Traceable(R), 2.Dynalab Corp., 3.SIMEX sp. z o.o..
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Categories Related to Hygrometers
A hygrometer is a device that measures and displays the humidity in the air.
There are several indicators of humidity, but the one we use every day is relative humidity (%RH). Relative humidity is the ratio of the amount of water vapor in the air being measured to the maximum amount of water vapor the air can contain at that temperature.
Other parameters besides relative humidity include mixing ratio (kg/kg), absolute humidity (g/m^3), water vapor pressure (Pa), dew point temperature (°C), and mole fraction (mol/mol).
Hygrometers are broadly classified into analog and digital types. Analog hygrometers include dry hygrometers, hair hygrometers, and bimetallic hygrometers, which have been in use since around 1500. Basically, they do not use electricity. They are prone to errors and require maintenance and measurement conditions.
Digital electronic hygrometers are semiconductor-based sensors that are often combined with a temperature sensor to make a temperature/hygrometer. They are used for industrial applications because of their small size and easy data recording.
Hygrometers have long been used in public weather observation and other applications. Hair hygrometers are used in museums and art galleries because they do not require electricity.
Industrial hygrometers are used in places where humidity is sensitive, such as in the cultivation of plastic greenhouses and mushrooms in agriculture, and in medical and pharmaceutical plants.
Recently, hygrometers are often used to prevent heat stroke. They are deployed in large gymnasiums, classrooms, nursing homes, and other indoor places where people are active. They are also installed in air conditioners and humidifiers and are responsible for automatic control of the equipment.
Various principles are used to measure humidity. First of all, there are two main types of principles, depending on whether they are analog or digital.
Analog hygrometers are often used in daily-use hygrometers.
Wet and Dry Spherical Hygrometer
The wet and dry spherical hygrometer consists of two glass thermometers side by side, one of which is wrapped with gauze containing water. The gauze absorbs the moisture in the container and evaporates at the wrapped thermometer.
As the water evaporates, the heat of vaporization is lost, so the thermometer with the gauze wrapped around it displays a lower temperature (wet-bulb temperature). This temperature difference is used to calculate humidity. Some products have a wet-bulb temperature conversion chart between the two thermometers, so that the humidity can be read from the difference between the temperature of the thermometer without the gauze (dry-bulb temperature) and the wet-bulb temperature.
If the two thermometers have the same number, the wet cloth is not dry and no vaporization heat is generated, which means 100% humidity.
Hair Hygrometer
The hair hygrometer uses the elasticity of nylon threads and human hair to move the needle. The needle is enlarged using the principle of leverage, and the movement is recorded on a roll of paper.
Since measurements are made without the use of electricity, there is no risk of fire, so these gauges are used in museums.
Bimetal Hygrometer
The bimetal type Hygrometer uses a metal spring as the base, to which is laminated a dry chemical with different shrinkage rates that easily absorbs moisture, and the shape of the spring changes according to the humidity. This type of hygrometer is used in wall-mounted pointer-type hygrometers.
Digital hygrometers are widely used in industrial applications.
Electric resistance type
The electrical resistance type uses a humidity element whose electrical resistance changes according to the relative humidity. 20%RH or lower humidity is impossible to measure due to a large error, and the element deteriorates due to high temperature.
Capacitance type
The capacitance type uses the change in electrical capacitance stored in a capacitor. The amount of moisture adsorbed or released by the polymer film inside the capacitor is proportional to the relative humidity in the air. Unlike the electrical resistance type, it can measure from 0% relative humidity.
Dew-point Hygrometer (Optical)
The dew point is measured by shining the air to be measured onto a chilled mirror and detecting the fogging of the mirror from the reflection of light. The dew point temperature is the temperature at which the mirror begins to fog up. In addition, the relative humidity can be calculated separately from the air temperature. This is currently the most accurate method of measuring humidity.
It is important to note that different types of hygrometers have different error ranges. Accuracy is important for measurement, but ease of measurement is also essential. For daily life, ease is more important than accuracy, and for industrial use, it is necessary to select a measurement method with an error range that can meet the objective.
Therefore, when selecting a hygrometer, be sure to check the possible measurement range and error range thoroughly.
*Including some distributors, etc.
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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.
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.
Dynalab Corp was founded in Rochester, New York in 1957. Together with its wholesale division, Dynalon Labware, Dynalab produces and distributes standard and custom-made scientific equipment and laboratory supplies across North America. Science equipment and sampling apparatus offerings include hygrometers, mailing point devices, rollers, water stills, powders, seals, various samplers, and drills. Some of Dynalab’s laboratory supplies include Azlon plastics, burn-up boxes, desiccators, hydrometers, pipettes, shields, stopcocks, tote boxes, tubing, and watch glasses.
Cleatech LLC is a laboratory equipment and cleanroom supply manufacturer and distributor based in Orange, California. The company produces various standard and custom-made products for laboratory use. These range from furniture, such as cleanroom storage cabinets, to laboratory equipment, including fume hoods, incubators, and microscopes. Additionally, the products are available in fire-resistant, anti-static steel, acrylic, polypropylene, PVC, and polycarbonate. Its products are for controlled-environment applications in the medical, research, food, chemical, and aerospace industries.
Tool Experts, Inc. is an American distributor of inspection tools and test equipment established in 1996 and based in Harriman, Tennessee. The company's product inventory includes various products for inspection and testing purposes such as mold test kits, moisture and air flow meters, ultrasonic leak detectors, and thermal imaging cameras. It also offers specialty tools for woodworking, plumbing, and machine work, as well as weather instruments and safety equipment. The company's products are used primarily by plumbing, electrical, and pest control specialists, home DIYers, construction contractors, and HVAC installers.
Sato Keiryoki Mfg. Co., Ltd., established in 1951 and headquartered in Tokyo, Japan, is a manufacturer of temperature measurement and instrumentation products. Its product range includes glass thermometers, industrial thermometers, bimetal thermometers, waterproof digital thermometers, and infrared thermometers. These instruments serve a wide array of applications, spanning industries such as manufacturing and meteorology. The company holds several certifications such as ISO9001, and ISO14001, underscoring its adherence to quality and compliance. The company has been designated as a national accredited calibration body for humidity measurement by the Japanese Government.
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.
Simex Sp.z.o.o, established in 1986, and based in Poland, Europe, is a manufacturer and supplier of industrial automation equipment. Their product portfolio includes indicators, controllers, counters, inclinometers, sensors, electric heaters, converters, temperature transmitters, and power supplies. The company has ISO-certified products. The company offers the latest developmental features with microprocessors, SMT technology, automation, process control, machine building, and user-friendly programming which is ideal for industrial process control. The products are used in industrial machinery applications.
Hedue GmbH is a German manufacturer and supplier of measuring tools for the trade founded in Viersen in 1983. The company’s products include laser levels, rotary lasers, plumb bobs, optical levels, and other measuring tools. It has five areas of production: plastic injection molding, toolmaking, metal processing, carpentry, and assembly, utilizing renewable energy sources. The company also offers a range of accessories and services, such as calibration and repair. Serving over 600 sales partners worldwide, it develops and produces measuring tools for numerous private-label brands.
Shaw Moisture Meters was established in 1960 and is based in Bradford, England, as a manufacturer and designer of dewpoint meters, hygrometers, and moisture analyzers. The product portfolio of the company comprises hand-held Dewpoint hygrometers, moisture analyzers, Dewpoint sensors, and Dewpoint transmitters. The products offer a straightforward solution for continuous moisture measurement, ensuring accurate moisture analysis across a range of conditions and delivering dependable Dewpoint measurements for various applications. The company serves various industries, including HVAC, aerospace, food and beverage, and pharmaceuticals, among others.
ANEOS Corporation is a manufacturer of meteorological observation equipment established last 2019, by a merger between Ogasawara Keiki Seisakusho Co., Ltd. and Nippon Electric Instrument Co., Ltd. Ogasawara Keiki Seisakusho Co., Ltd. started as an aircraft and watches repair factory last 1886. In 1893, the company started manufacturing meteorological equipment such as pressure gauges, and surveying instruments. Meanwhile, Nippon Electric Instrument Co., Ltd. founded last 1965 has Wind Speed and Direction Meter as its first product. Currently, the company has ten products spanning different industries. It also offers solutions related to Public Transportation, Fire Prevention, Flood Control, and the Environment.
Chino, headquartered in Tokyo, Japan, is engaged in the manufacture and sale of measurement and control equipment and instrumentation work. The company was founded in 1936 as Chino Seisakusho. Chino operates in the area of "measurement, control, and monitoring" and contributes to the development of all industrial fields. Major products include recorders, regulators, temperature sensors, data loggers, radiation thermometers, thermal image measuring devices/thermal cameras, composition meters, moisture meters, thickness meters, thyristor regulators, and fuel cell evaluation and testing devices.
E+E Elektronik Ges.m.b.H., established in 1975 in Austria, is a manufacturer and provider of cutting-edge sensor solutions for humidity, temperature, and CO2 measurement. The company’s product portfolio includes humidity sensors, temperature sensors, transmitters, and CO2 sensors. These technologies are broadly employed in industries such as HVAC, automotive, pharmaceuticals, and more. E+E Elektronik's team of experienced engineers and professionals collaborate closely with customers to understand their specific needs and deliver tailored sensor solutions. The company also plays a great role in raising measurement accuracy and enhancing improved environmental monitoring and control systems.
Edgetech Instruments, Inc., established in 1965 and headquartered in Hudson, USA, is a manufacturer of chilled mirror dew/frost point hygrometers and other moisture and oxygen measurement devices. The company specializes in three moisture sensor technologies: chilled mirror, polymer RH, and phosphorous pentoxide, ensuring accurate long-term moisture measurement from trace parts per million to 100% relative humidity. Its products include absolute and relative humidity hygrometers, oxygen concentration analyzers, and more. It also offers the Dew master mirror hygrometer and the Trak II chilled mirror transmitter. The company’s products are used in the aerospace, automotive, and defense industries.
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.
Buck Research Instruments LLC, established in 1989 and headquartered in Aurora, Colorado, United States, is a manufacturer of precision humidity measurement devices and equipment. The company's products include a range of high-performance chilled mirror hygrometers that are used in laboratories, aerial research, and industrial processes to accurately measure humidity. It welcomes inquiries for custom equipment design and manufacture. It serves industries that include pharmaceutical production, aircraft manufacturing, and fuel cell production. Its notable clients include NASA and the United States Air Force.
DeltaTrak, founded in 1989, and headquartered in Pleasanton, CA, is a manufacturer of cold chain management equipment, offering temperature and humidity monitoring solutions. Its product line includes data loggers, wireless systems, test instruments, and thermometers. The company serves various industries worldwide, including food, pharmaceuticals, and chemicals, providing cloud-based software like ColdTrak for quality assurance. Its calibration services support compliance, traceability, validation, and insurance claims for temperature-sensitive commodities. The company's resourceful technique, fervour for distinction, and ISO certifications highlight its determination to offer quality and endurance.
Process Insights is a designer and manufacturer of water and gas analytical instrumentation that was established in 2012 as a portfolio company of the private equity firm Union Park Capital. Headquartered in Houston, Texas, the company produces detectors, sensors, monitors, and analyzers for measuring physical environmental parameters such as moisture, gas composition, or humidity. It also offers software and instrumentation for environmental compliance and process control applications. Process Insights also provides performance verification and factory acceptance testing for its clients in the petrochemical, power generation, semiconductor, and environmental protection sectors.
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.
Shanghai QualityWell Industrial Co., Ltd, established in 2008 and based in Shanghai, China, is a manufacturer and supplier of industrial instrumentation. The company's product range includes bimetal thermometers, tridicator-boiler gauges, remote reading thermometers, digital thermometers, and surface thermometers. These products are used for diverse measurement and monitoring needs. It primarily serves the European, Middle Eastern, and North American markets. Its services include research & development for custom applications, technical support, shipping assistance, and the provision of custom manufacturing.
Metrica, founded in 1949 and headquartered in San Donato, Italy, is a manufacturer and distributor of professional measuring tools, offering a broad spectrum of traditional and instruments. Its product catalog encompasses Angled Gauges for measuring angles, Length Measures for measuring distances, advanced Laser Measuring Tools for precise measurements, Levels for establishing the horizontal plane, and robust Telefix Telescopic Poles used in height measurements for buildings, awnings, doors, and trees. These tools cater to the construction and mechanical industries, enhancing accuracy and efficiency.
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.
Schaller Messtechnik GmbH, founded in 1995 and headquartered in Raaba, Styria, Austria, is a moisture measuring device designer, manufacturer, and B2B supplier. The company produces over 5,000 moisture measuring devices numerous applications across six main industries, including food processing, bioenergy, and buildings. Its products include whole grain moisture analyzers, humidity GF2 sets for painters and decorators, and sawdust water content measuring devices. The company also offers individually planable online measuring and monitoring systems that integrate with its products.
HENGKO Technology Co., Ltd., established in 2001 and headquartered in Shenzhen, China, is a manufacturer and supplier specializing in sintered metal filters, temperature and humidity monitors, sensors, and probes. The company offers a range of products, including porous metal flow restrictors, sintered powder metal filters, gas sensor probe assemblies, handheld humidity temperature meters, dew point sensor transmitters, and more. These products are applicable across various sectors, including cold chain transport, electronic equipment production lines, medical automation, humidifiers, and more. The company's clientele includes brands such as Solvay, Foxconn, Great Wall, Honeywell, and Wuxi Apptec.
Inspector Tools, founded in 1999 and based in Ventura, California, is a distributor and supplier of test equipment catering to sectors such as facility maintenance, building inspection, and energy conservation. The company maintains a diverse inventory featuring products from over 20 brands, including Extech Instruments, Met One Instruments Inc., and General Wire Spring Company. Offerings range from home inspection kits to carbon monoxide detectors and infrared cameras. Inspector Tools provides customers with an online catalog showcasing its entire product range. Additionally, customers can create digital accounts for faster checkouts and access to order history.
IOThrifty LLC is an American distributor and supplier of process measurement products that was established in Naples, Florida in 2017. The company offers various process control and measurement products, including dew point temperature transmitters, infrared (IR) non-contact temperature sensors, data loggers and paperless recorders, and humidity probes. It also offers free engineering consultation services to customers requiring additional support. The company chiefly serves clients in the chemical, biomedical, construction, and transportation markets.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | E+E Elektronik |
12.0%
|
| 2 | Traceable(R) |
6.8%
|
| 3 | Dynalab Corp. |
5.1%
|
| 4 | SIMEX sp. z o.o. |
4.7%
|
| 5 | Teledyne FLIR LLC |
4.7%
|
| 6 | Cleatech LLC |
4.3%
|
| 7 | B&K Precision Corporation |
4.3%
|
| 8 | Tool Experts |
3.8%
|
| 9 | PCE Instruments |
3.8%
|
| 10 | Process Sensing Technologies Limited |
3.0%
|
Derivation Method
The ranking is calculated based on the click share within the hygrometer page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
6 | 31.6% |
|
Japan
|
4 | 21.1% |
|
Germany
|
3 | 15.8% |
|
United Kingdom
|
2 | 10.5% |
|
Poland
|
1 | 5.3% |
|
China
|
1 | 5.3% |
|
Italy
|
1 | 5.3% |
Czech Republic
|
1 | 5.3% |
130 products found - Page 1
130 products - Page 1
Custom Co., Ltd.
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■Features - Continuous recording for up to 6 months is possible. ・RoHS compliant product *SD card is not included.
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■Features ・The parent unit collects temperature and humidity data measured by the slave unit sensor. Automatically send to a dedicated cloud serve...
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■Features Comes with a vinyl case (material: PVC) to prevent dirt.
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■Features Illuminance, ultraviolet (UV), temperature, and humidity can be measured and recorded simultaneously.
