Gas Detectors×理研計器 - List of Manufacturers, Suppliers, Companies and Products

Gas Detectors Product List

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Manhole and Pit Work Hazardous Gas Detector "GX-2100"

Manhole and Pit Work Hazardous Gas Detector "GX-2100"

Safe for hazardous locations due to non-ignition explosion-proof structure! The detection unit and alarm are integrated, significantly reducing work hours.

The "GX-2100" is a hazardous gas detector designed for manhole and pit work, capable of directly detecting gas with its sensing unit. It is equipped with an external alarm function in the sensing unit, eliminating the need for a separate external alarm device, thus reducing the effort for installation and retrieval by half. Additionally, the carbon monoxide sensor and hydrogen sulfide sensor are structured in a 2-in-1 design, allowing three sensors to detect four components: methane, oxygen, carbon monoxide, and hydrogen sulfide. 【Features】 ■ Significant increase in work efficiency ■ Equipped with a new R sensor (3-year sensor warranty) ■ Enhanced safety features for on-site workers ■ Bluetooth functionality (optional) ■ Adopts a diffusion-type sensing unit integrated with the external alarm *For more details, please refer to the PDF document or feel free to contact us.

  • Tunnel construction
  • Sewerage facilities
  • Waste treatment facilities

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Gas detection unit with signal converter 'SD-3 Series'

Gas detection unit with signal converter 'SD-3 Series'

Equipped with an F sensor, both functionality and performance have been significantly improved! It complies with various global standards.

The "SD-3 Series" is a stationary explosion-proof gas detector designed for continuous monitoring of flammable gases, toxic gases, and oxygen in the atmosphere. Since the sintered metal in the sensor part is no longer needed, it can detect various highly adsorbent toxic gases. In addition to obtaining explosion-proof certifications from various countries, it is a global product that conforms to various international standards, including IEC/EN performance and SIL2 certification (including planned compliance). 【Features】 ■ Equipped with a high-performance sensor "F Sensor," significantly improving both functionality and performance ■ Various output options available ■ A lineup of types that can accommodate various installation environments and applications ■ Compliant with various global standards ■ Robust housing structure that can withstand harsh environments *For more details, please refer to the PDF materials or feel free to contact us.

  • Other measuring instruments
  • Other analytical equipment

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Things about gas you should know.

Things about gas you should know.

Safety management using gas detectors is important! We introduce the characteristics and dangers of major gases.

"Oxygen" is an essential element that supports the life of organisms on Earth and is indispensable for various industries, including steel, chemicals, paper, and healthcare, which sustain our rich lives. However, both oxygen deficiency and excess can pose dangers. In this column, we will introduce the frightening aspects of "oxygen" that you may not know. [Contents (partial)] ■ Composition of air ■ Definition of oxygen deficiency (hypoxia) ■ Oxygen excess ■ Definition of toxic gases ■ About carbon monoxide (CO) *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.

  • Other measuring instruments

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To properly use the gas detector - Regarding model selection and installation -

To properly use the gas detector - Regarding model selection and installation -

We provide information for your reference so that you can choose a gas detector suitable for your intended use and purpose!

At RIKEN Keiki, we offer a variety of products tailored to the characteristics of gases in the workplace and the nature of the tasks being performed. By making the correct selections and using them properly, everyone’s sense of "safety and security" will be further enhanced. In this column, we provide essential information for selecting gas detectors (such as types and features) in a concise manner, offering reference information to help you choose the gas detector that suits your needs and purposes. [Contents] ■ Selection of portable gas detectors ■ Selection of fixed gas detectors ■ Installation precautions for fixed gas detection alarms *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.

  • Other measuring instruments

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Do you know the necessity of maintaining gas detectors?

Do you know the necessity of maintaining gas detectors?

Explain in detail why inspections are necessary, including the legal background and the risks of not conducting inspections!

Gas detection alarms are devices designed to protect the safety and peace of mind of on-site workers. To maintain their performance and enhance reliability for disaster prevention and safety, regular maintenance and inspections are extremely important. In this column, we explain in detail why inspections are necessary when using gas detectors, including the legal background and the risks of not conducting inspections. [Contents] ■ Why are inspections necessary? ■ Inspection services and support systems *For detailed information in the column, please refer to the related links. Feel free to contact us for more information.

  • Other measuring instruments

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[Labor Accident Case] Carbon monoxide poisoning during the cleaning of the adsorption tower of a desulfurization unit at a steelworks.

[Labor Accident Case] Carbon monoxide poisoning during the cleaning of the adsorption tower of a desulfurization unit at a steelworks.

We will introduce a case of carbon monoxide poisoning that occurred during the cleaning of the adsorption tower of a desulfurization device at a steel mill.

During the cleaning of the lower section of the desulfurization unit, the victim and two colleagues were using a vacuum hose to perform suction work outside the inner manhole, while four others were inside the inner manhole. The observer at the steel mill sensed an unpleasant odor and, concerned about the inflow of exhaust gas from the sintering machine, measured the levels of sulfur dioxide, oxygen concentration, and carbon monoxide concentration inside the manhole. The oxygen concentration was 18.8% and the carbon monoxide concentration was 130 ppm, prompting the observer to instruct the workers inside the manhole to "run away." After receiving medical attention, both the observer and the victim were advised to be hospitalized; however, the observer returned home the same day, while the victim was hospitalized for a week due to carbon monoxide poisoning. [Suggestions] - Workers should wear portable gas monitors while working. - This will enable early detection of gas leaks in the furnace and alert workers and those nearby to potential dangers. *For more details, please refer to the PDF document or feel free to contact us.*

  • Measurement and Inspection

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[Labor Accident Case] Leaked refrigerant ammonia flowed in, causing ammonia poisoning.

[Labor Accident Case] Leaked refrigerant ammonia flowed in, causing ammonia poisoning.

A case of ammonia poisoning occurred when refrigerant ammonia leaked from a refrigeration unit and flowed into a meat processing plant.

Due to a malfunction of the electromagnetic valve in the cooling system of the meat processing plant, the compressor in the refrigeration unit was damaged, causing ammonia gas to flow and spread within the factory. After ventilating and evacuating the ammonia gas, work commenced, but due to insufficient removal of the ammonia gas, secondary damage occurred in the form of ammonia poisoning. Additionally, a maintenance worker who came into contact with a low-temperature object while closing the valve of the refrigeration unit suffered frostbite on their toes. 【Suggestions】 ■ By using gas detectors during regular patrol inspections, it is effective for confirming the safety of workers and for the early detection of ammonia gas leaks. *For more details, please refer to the PDF document or feel free to contact us.

  • Measurement and Inspection

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Portable Multi-Gas Detector "GX-9000 Series"

Portable Multi-Gas Detector "GX-9000 Series"

An innovative gas detector that can handle all work scenes on ships, on land, and underground with just one device.

The "GX-9000 Series" is a portable gas detector capable of simultaneously detecting up to six types of gases (HC/CH4/H2, O2, CO, H2S, CO2, NH3, VOC, etc.). 【Features】 ■ Detects up to six types: HC/CH4/H2, O2, CO, H2S, CO2, NH3, VOC, etc. ■ Equipped with many convenient features such as multilingual display and combustible gas conversion function ■ Bluetooth enabled! Easy data management via smartphone (optional) ■ Sensor warranty of up to three years ■ Passes a 1.5m drop test ■ Protection rating equivalent to IP66/68 *For more details, please refer to the PDF document or feel free to contact us.

  • Tunnel construction
  • Sewerage facilities
  • Gas leak device

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[Reference] "Introduction to RIKEN Sensor Technology"

[Reference] "Introduction to RIKEN Sensor Technology"

Nurturing the buds of trust with RIKEN's sensor technology! We are currently offering technical materials that include the principles of gas sensors and the products we handle.

Our company has made "creating an environment where people can work with peace of mind" a permanent theme. We independently develop and produce industrial gas detectors and various gas sensors that continuously monitor the safety of operations and the maintenance of equipment in locations such as semiconductor and LCD factories, oil refineries, steelworks, various tankers, oil storage bases, underground gas facilities, volcanoes, and other sites where gas is consumed, produced, or stored, as well as where gas is generated. This booklet summarizes the principles of the gas sensors used in our gas detectors, an overview of other products we handle, and other sensors we have dealt with in the past. We invite you to read it. [Contents] ■ Application fields of gas sensors: For "creating an environment where people can work with peace of mind" ■ Introduction ■ Gas sensors ■ Other various measurement methods ■ Appendix *For more details, please refer to the PDF document or feel free to contact us.

  • Other measuring instruments

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[Labor Accident Case] Organic Solvent Poisoning during Painting Repair Work at a Hydroelectric Power Plant

[Labor Accident Case] Organic Solvent Poisoning during Painting Repair Work at a Hydroelectric Power Plant

We will introduce a case where organic solvent poisoning occurred during the painting and repair work at a hydroelectric power station.

During regular maintenance, the internal painting of the draft was carried out, but due to areas left unpainted and poor painting quality, the workers entered the draft to perform finishing touches. One of the two workers inside the draft sat down, and the other became unable to move, so they were taken to the hospital. Following examinations, both were diagnosed with poisoning from organic solvents. [Suggestions] - Use gas detectors to confirm the effectiveness of ventilation. - Work while ensuring safety with a portable gas monitor. *For more details, please refer to the PDF document or feel free to contact us.*

  • Measurement and Inspection

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Portable four-component gas detector "GX-Force"

Portable four-component gas detector "GX-Force"

Equipped with an easy-to-hold, sturdy body, a 3-year warranty sensor, and a battery that lasts for 30 hours. Everything is designed to ensure safety.

The "GX-Force" is a portable gas detector that can simultaneously detect up to four types of gases (flammable gases/oxygen/carbon monoxide/hydrogen sulfide). 【Features】 ■ Lightweight design of approximately 300g with an easy-to-grip design ■ 3-year sensor warranty ■ Intrinsically safe explosion-proof structure and pressure-resistant explosion-proof structure ■ Continuous usage time of approximately 30 hours ■ Passed a 3m drop test ■ Protection rating equivalent to IP67 *For more details, please refer to the PDF document or feel free to contact us.

  • Tunnel construction
  • Sewerage facilities
  • Disaster prevention supplies

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