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If you are having trouble with volcanic gases (sulfur dioxide gas, hydrogen sulfide gas), please consult us.

We have been involved in volcanic gas work for 50 years. We are an established company specializing in the removal, observation, and research and development of volcanic gases.

(1) Removal of Volcanic Gases Sulfur dioxide and hydrogen sulfide gases are highly corrosive components that can corrode metals and cause equipment failures. To prevent equipment failures in volcanic areas, hot spring regions, and geothermal power plants, we manufacture and sell devices for the removal of volcanic gases. We have numerous achievements in volcanic tourist areas and hot spring regions. (2) Observation of Volcanic Gases We manufacture, sell, and maintain volcanic gas (hydrogen sulfide and sulfur dioxide) observation disaster prevention systems for volcanic tourist areas across Japan. (3) Research and Development of Volcanic Gases We are also engaged in research and development on volcanic gas themes in collaboration with universities conducting Earth science research. We present our research at volcanology conferences and have obtained patents through industry-academia collaboration with universities.

Related Link - https://www.jmsystem.co.jp/kazan_odalog.html

basic information

(1) Volcanic gas (sulfur dioxide gas, hydrogen sulfide gas) removal device "Koro Shooter" We propose gas countermeasures tailored to each field, such as control panels and electrical rooms. (2) Observation of volcanic gases By installing a wireless volcanic gas concentration meter, it is possible to continuously monitor gas concentrations without the need for extensive construction.

Price range

Delivery Time

Model number/Brand name

Koro Shooter

Applications/Examples of results

- Gas removal in the electrical rooms of geothermal power plants across Japan - Gas countermeasures for control equipment at hot springs and volcanic tourist sites - Gas measurement systems at volcanic tourist sites nationwide (such as Kusatsu Shirane, Hakone Owakudani, Kirishima Iodake, and many others) - Observation devices for volcanic activity due to volcanic gases

Wireless volcanic gas observation device

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Low Concentration Hydrogen Sulfide Gas Concentration Meter Catalog

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Suitable for deodorization and desulfurization. Purafil chemical adsorbent catalog providing clean air.

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Volcanic Gas Observation System

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Control panel purification unit

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JMES Co., Ltd. was established in July 1976 with the keyword "environmental measurement." Since then, as a pioneer in environmental measurement in Japan, we have contributed to domestic environmental measures by starting with the import of excellent measuring instruments from overseas and engaging in domestic manufacturing. We have also expanded our business into energy conservation and plant corrosion prevention equipment as an extension of environmental measurement. In September 2003, we obtained ISO 9001:2000 certification (updated to ISO 9001:2015 in September 2021) (LRQA Limited). We promise to further enhance customer satisfaction with our products and services. We position compliance with laws and regulations as our top priority and are committed to advancing as a company to realize our motto, "Make Japan Beautiful."