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Global Solutions for
Gas Detection & Safety

Without compromise, we continue to challenge ourselves. To be a pioneer in developing and manufacturing industrial gas detection systems and monitors. And of course, to remember our motto: Safely Seeing the Unseen Danger.
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GX-3R Series

The world's smallest, most lightweight multi-gas monitor. Attach to your shirt collar or anywhere within the breathing zone. Weighing just 100 grams, you’ll hardly even know it’s there! Superb performance despite its compact design.
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Our Solutions

Trusted by leading companies worldwide in fields as diverse as the oil and gas, energy, semiconductor, marine, and steel industries, our years of experience delivering results and superior sensor technology have firmly positioned Riken Keiki at the forefront of the global market.
Discover our strengths across various industries below.

Semiconductors
Semiconductors
Used in smartphones, computers, automobiles, and IoT devices,　semiconductors are integral to modern digital technologies.Semiconductor manufacturing is different from other industries in that it requires the use of gases with specific compositions and purities, tailored to meet the unique requirements of each process.
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Infrastructure
Infrastructure
Infrastructure refers to essential facilities and services that form the foundation of everyday life, such as electricity, gas, water supply and sewage systems, telecommunications, the internet, roads, and public transportation (buses and trains). As a result, a stable supply is critical, and the maintenance of infrastructure is indispensable.
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Sustainable
Energy
Sustainable
Energy
To reduce greenhouse gas emissions such as carbon dioxide and methane, the development of next-generation energy sources that ensure a stable and sustainable energy supply is an urgent priority.
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Oil＆Gas
Oil＆Gas
Gas detection is performed throughout various stages of the oil & gas industry, including crude oil extraction, transportation, storage, and refining.From the high-quality gas refining required as energy infrastructure to the management of toxic gases emitted as by-products, the purposes of gas monitoring are diverse.
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Marine
Marine
Oil, gas, and various chemical products are loaded onto vessels and transported worldwide. These vessels pose occupational safety and health risks due to confined spaces, fuel leaks, and cargo. As a result, international regulations have been established for vessels, one of which includes gas detection.
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Steel
Steel
In steel manufacturing, the iron content in iron ore is reduced through contact with the carbon in coke, producing pig iron. It is characteristic that various gases are generated in all processes, such as sintering, coke, and blast furnace processes.
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Tips AC series Surface analysis

Fundamentals of Organic Semiconductors: Understanding Structure, Applications, and Energy Levels

Explore how organic semiconductors differ from silicon, their use in OLEDs and solar cells, and why ionization potential and energy levels matter.

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Tips AC series Surface analysis

What Is Ionization Potential Measurement for Research and Mass Production? Comparing the AC Series, UPS, and Current-Mode PYS

Compare AC Series, UPS, and current-mode PYS for ionization potential measurement in organic semiconductors, from research to mass production.

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Fixed detector Application Semiconductors Safety management Toxic

Protecting Product Quality with Automated Air Intake Control

Outside air brought in through the plant’s air intake system can cause product quality issues. This article explains outside-air-related risks and introduces an approach using tape-type gas detection for high-sensitivity detection and automated control.

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Tips Safety management Ammonia Co-Firing Power Generation

Safeguarding Next-Generation Ammonia Fuel Applications – Second-Level Calorific Value Control Technology for Unburned Gas Treatment

Explore innovative solutions for unburned ammonia treatment in co-firing power generation, emphasizing rapid calorific measurement technology and safety management.

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RIKEN KEIKI’S
News & Column

Tips AC series Surface analysis

Fundamentals of Organic Semiconductors: Understanding Structure, Applications, and Energy Levels

Explore how organic semiconductors differ from silicon, their use in OLEDs and solar cells, and why ionization potential and energy levels matter.

More Details
Tips AC series Surface analysis

What Is Ionization Potential Measurement for Research and Mass Production? Comparing the AC Series, UPS, and Current-Mode PYS

Compare AC Series, UPS, and current-mode PYS for ionization potential measurement in organic semiconductors, from research to mass production.

More Details
Fixed detector Application Semiconductors Safety management Toxic

Protecting Product Quality with Automated Air Intake Control

Outside air brought in through the plant’s air intake system can cause product quality issues. This article explains outside-air-related risks and introduces an approach using tape-type gas detection for high-sensitivity detection and automated control.

More Details
Tips Safety management Ammonia Co-Firing Power Generation

Safeguarding Next-Generation Ammonia Fuel Applications – Second-Level Calorific Value Control Technology for Unburned Gas Treatment

Explore innovative solutions for unburned ammonia treatment in co-firing power generation, emphasizing rapid calorific measurement technology and safety management.

More Details
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Tips AC series Surface analysis

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Compare AC Series, UPS, and current-mode PYS for ionization potential measurement in organic semiconductors, from research to mass production.

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Why Customers Choose Us

Since our beginnings in 1939, Riken Keiki has continued to lead the way in gas detection technology, laying the foundations that support our modern society.

Discover why customers continue to choose Riken Keiki, the global standard in gas detection equipment.

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