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This section provides an overview for digital dust meters as well as their applications and principles. Also, please take a look at the list of 21 digital dust meter manufacturers and their company rankings. Here are the top-ranked digital dust meter companies as of January, 2025: 1.Met One Instruments, 2.Bhoomi Analyzers, 3.Tritech.
Table of Contents
A digital dust meter is a compact measuring instrument used to measure the concentration of dust in the air of soil, rocks, minerals, metals, and carbon, which are substances required to be measured in the working environment.
A digital dust meter can accurately and easily measure dust concentration (mg/m3) by calculating the number of dust counts per unit time (cpm) x K value (mass concentration conversion factor: mg/m3/cpm).
The K value (mass concentration conversion coefficient: mg/m3/cpm) is a coefficient that converts the number of dust counts into dust concentration. It is the slope of a straight line obtained by using the fact that the amount of scattered light (cpm) and concentration (mg/m3) of the same type of dust are linearly proportional.
Dust detection methods include the scattered light method, particle counting method, absorption spectrophotometry, and condensation nucleus particle counting method.
This section describes the uses of a digital dust meter.
A digital dust meter is used in indoor workplaces that emit significant amounts of dust of earth, rocks, minerals, metals, or carbon.
Therefore, dust concentration control is required in indoor workplaces where metal welding, grinding, cutting, or excavation work is frequently performed.
Furthermore, depending on the measurement principle, it is known that the sensitivity may vary depending on the type and shape of dust, and it is required to control the measurement results keeping in mind that all suspended particulate matter such as smoke and mist are susceptible.
This section describes the principles and characteristics of a digital dust meter.
The scattered light method uses a suction fan to draw in airborne dust continuously from an air inlet and irradiate the dust with white light or laser light as a light source. The amount of scattered light emitted from the dust is continuously detected at the light receiving unit, and the amount of light is converted into an electrical signal by a photoelectric conversion element. This value is treated as the amount of scattered light per unit time (cpm: counts per minute). This concentration value is multiplied by the K value (mass concentration conversion factor) to obtain the mass concentration of dust (mg/m3).
The particle counting method is used to measure extremely clean environments. A thin, undisturbed stream of air is continuously generated to capture airborne dust particles. A strong beam of light, such as a laser beam, is used as the light source. The scattered light from each individual dust particle is detected in the photosensor and converted into an electrical signal by a photoelectric conversion element. The particle size distribution is determined from the intensity of the scattered light, and the number of particles per unit volume (particles/cm3) is determined from the number of counts. This concentration value is multiplied by the K value (mass concentration conversion factor) to obtain the mass concentration of dust (mg/m3).
The absorbance spectrophotometry method continuously captures airborne dust particles and irradiates them with white light or laser light as a light source, converting the amount of light attenuation by the dust particles into an electrical signal using a photoelectric conversion element. The relative concentration proportional to the logarithm of this light attenuation (transmittance) is calculated to give the dust concentration (mg/m3).
The condensation nucleus particle counting method is used to measure dust concentration when the dust concentration is low. The light scattering particle counting method is applied by condensing and growing dust in a supersaturated vapor atmosphere. The measured value is the total number concentration above the minimum measurable particle size, which has the disadvantage of no particle size information.
*Including some distributors, etc.
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SKC Inc., founded in 1983 with headquarters in the USA, is a manufacturer of industrial hygiene and occupational safety equipment and accessories. The company's products include air sampling equipment, gas and vapor samplers, particulate samplers, bioaerosol samplers, and noise and sound equipment. SKC Inc. also provides PPE and cleansing solutions. SKC Inc.'s services include calibration and repair services for flowmeters and sample pumps, as well as rental services. The company serves a wide range of industries, assisting employers with meeting hygiene and occupational safety requirements.
Alpha Scientific Pty Ltd was established in 1970 and is based in Melbourne, Australia, and operates as a specialized supplier of cleanroom monitoring, scientific, laboratory, and other particle and environmental technologies. Alpha Scientific is a constituent of a consortium of specialized enterprises that collaborate to offer an expanded assortment of products and services to their shared clientele. The network encompasses diverse product lines sourced from crucial instrument manufacturers worldwide, encompassing a full spectrum of items.
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.
Beijing HiYi Technology Co., Ltd. , established in 2004 and headquartered in Beijing, China, is a manufacturer of laboratory scientific instruments. The company provides comprehensive solutions for gas and laboratory equipment testing, manufacturing products like laser methane detectors, domestic gas alarms, portable gas detectors, industrial fixed systems, and gas analyzers. It holds several certifications such as ISO9001:2008 and a medical device business license, while its products carry CE, TUV, ATEX, and RoHS certificates.
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.
Matsushima Measure Tech Co., Ltd. was founded in 1946 in Kitakyushu, Japan, as a manufacturer and solution provider for measurement, environmental monitoring, and automation by sensor technologies. The company's product portfolio consists of 80 GHz radar level transmitters, FMCW radar, sounding M's, and dust monitors. It also provides solutions including continuous level measurement, point level detection, and reference powder measurement. The products and solutions excel in continuous level measurement, enhance precision in distance measurements, and provide point-level detection solutions while ensuring the safe handling of powdered materials. The company serves various industries, including manufacturing, construction, mining, machinery, cement, and electricity.
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.
Multi Measuring Instruments Co., Ltd. was founded in Chiba, Japan in 1986 and is headquartered in Tokyo. As per its namesake, Multi offers a vast array of measuring and testing equipment used across a number of industries. Some of their offerings include voltage meters, network testers, lux meters, cable locators, sound meters, various thermometers, gas analyzers, and water quality meters. Multi Measuring Instruments has a mission for its products to improve the global environment by detecting inefficiencies and leaks, developing products that will be useful for solar and wind power generation.
Tritech, established in 1997 and headquartered in Mumbai, India, serves as a supplier of gas detector systems and related accessories. The company's product range includes gas detector systems and accessories, dust monitors, anesthetic gas monitors, SF6 purity analyzers, and more. It is an authorized sales and service representative of gas detector manufacturer "Riken Keiki Co. Ltd., Japan." It also represents Fellow Kogyo Co. Ltd., Japan, for 15 PPM bilge alarm systems and Sensech Corporation, Korea, for alcohol breath analyzers.
Sibata Scientific Technology Ltd, founded in 1921 at Saitama, Japan is a manufacturer of environmental measurement and occupational health measurement equipment. The company with global clientele produces various scientific measurement and analysis equipment that can range from lab glassware to synthetic reactors. The products line comprise of general lab equipment, extractor, synthetic reactor, Rotary Evaporator and Glass tube oven. These products are used in applications such as occupational safety, food hygiene, water hygiene, hospital and chemical plants as well. The products are ideal for testing quality, measuring dust, precise heating & cooling, personal exposure measurements and many more with more reliability.
KENIS, established in 1947 and located in Osaka, Japan, is a manufacturer and supplier of scientific products for education. The company’s product line includes reflection and refraction tanks, tsunami simulators, box camera kits, and textbook-based teaching materials such as moving models of bone and muscle. It also provides presentation teaching materials like soil liquefaction equipment kits and crafting teaching materials like handmade van de Graaff generators. It has five branches, including Tokyo, Fukuoka, Hiroshima, Sapporo, and Sendai, serving the biotechnology, food, industrial, and environmental industries.
Crea Laboratory Technology was founded in 2007 and is a manufacturer and distributor of testing instruments services based in Tuggerah, New South Wales, Australia. The company offers various testing instrument products such as BET analyzer, chemisorption analyzer, liquid dispersion analyzer, 3D dry dispersion analyzer, and friction analyzer. The company is a distributor of various brands of testing products including Granutools, Rubolab, Altamira Instruments, 3P Instruments, and Kanomax. Various industries have been supported by the company's products and services such as life science, materials testing, oil analysis, petrochem, and particle science.
Ranking as of January 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Met One Instruments |
19.0%
|
| 2 | Bhoomi Analyzers |
9.5%
|
| 3 | Tritech |
9.5%
|
| 4 | Crea Laboratory Technology |
9.5%
|
| 5 | Digitron Italia |
9.5%
|
| 6 | Gaxcesensors OPC Pvt. Ltd. |
4.8%
|
| 7 | Topac Inc. |
4.8%
|
| 8 | KENIS LIMITED |
4.8%
|
| 9 | Alpha Scientific Pty Ltd |
4.8%
|
| 10 | SKC Inc. |
4.8%
|
Derivation Method
The ranking is calculated based on the click share within the digital dust meter page as of January 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 (%) |
|---|---|---|
|
Japan
|
4 | 26.7% |
|
United States of America
|
3 | 20.0% |
|
China
|
2 | 13.3% |
|
India
|
2 | 13.3% |
Hong Kong
|
2 | 13.3% |
|
Australia
|
1 | 6.7% |
|
Italy
|
1 | 6.7% |
41 products found
41 products
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