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Fixed Gas Detection
28 items
FI-900 Gas Analyzer
10338
The Riken Keiki FI-900 Optical interferometric gas analyser is equipped with a high-reliability optical interferometric sensor. Measurement principle: The gas concentration is detected from the amount of movement of interference fringes that occur due to the difference in the refractive indexes of the sample gas and reference gas. The FI-900 gas analyzer has enhanced self-diagnostic functions to constantly monitor 10 self-diagnostic parameters while diagnosing operating conditions of the device or its usage environment. The Riken Keiki FI-900 is compatible with Modbus communications to constantly monitor not only gas concentrations but also the state of the measurement device. Log data is also recorded on the measurement device and can be checked to identify causes quickly on-site if faults occur with the device. Explosion-proof ATEX/IECEx/Japan Ex. Target industries: Hydrogen production (hydrogen purity measurement), Petroleum refining (hydrogen concentration measurement during hydrodesulfurization process), Petrochemicals (VCM and other process gas concentration measurement), etc. Target gas: 1,3-Butadiene, 2,3,3,3-Tetrafluoroprop-1-ene, Acetone, Acetonitrile, Acrylonitrile, Ammonia, Benzene, Carbon Dioxide, Cyclohexane, Cyclopentanone, Deuterium, Dichloromethane, Dimethyl ether, Ethane, Ethanol, Ethyl Acetate, Ethylcyclohexane, Ethylene, Hydrogen, Isoprene, Isopropyl Alcohol, Methane, Methanol, Methyl ethyl ketone, Methyl isobutyl ketone, Methyl methacrylate, Methylcyclohexane, n-Butyl acetate, n-Heptane, n-Hexane, n-Propyl acetate, Octafluoropropane, Propane, Propylene, R-454C, Styrene, Sulfuryl fluoride, Toluene, Trichloroethylene, Vinyl chloride, Xylene
- USD
SD-3GH series Fixed Gas Detector
10346
The Riken Keiki SD-3GH Series are fixed explosion-proof gas detectors that continuously monitor for combustible gases, toxic gases, and oxygen in the surrounding atmosphere. These gas detectors detect gas leaks and activate an alarm when preset concentrations are exceeded. Detected gas concentrations are converted and output as 4 – 20 mA analogue and digital HART signals. Output options include Modbus (RS-485) communication and the use of three relays. The rugged housing construction (material: stainless steel, protection rating equivalent to IP66/67) allows use in a wide temperature range (-40 – + 70 °C). A range of different mounting types (e.g., wall, pole, and duct mounted) support a variety of uses and installation environments. These global products are certified explosion-proof in various countries and meet the requirements of various international standards, including IEC/EN-performance and SIL 2 certification.
- USD
SD-3SP Series Fixed Gas Detector
10350
The Riken Keiki SD-3SP Series are fixed explosion-proof gas detectors that continuously monitor for combustible gases, toxic gases, and oxygen in the surrounding atmosphere. These gas detectors detect gas leaks and activate an alarm when preset concentrations are exceeded. Detected gas concentrations are converted and output as 4 “ 20 mA analogue and digital HART signals. Output options include Modbus (RS-485) communication and the use of three relays. The rugged housing construction (material: stainless steel, protection rating equivalent to IP66/67) allows use in a wide temperature range (-40 “ + 70 °C). A range of different mounting types (e.g., wall, pole, and duct mounted) support a variety of uses and installation environments. These global products are certified explosion-proof in various countries and meet the requirements of various international standards, including IEC/EN-performance and SIL 2 certification. Target gas Acetylene, Carbon Monoxide, Difluoromethane, Ethylene, Hexafluoro-1,3-butadiene, Isobutane, Isopropyl Alcohol, Methane, Monofluoromethane, n-Hexane, n-Octane, Propylene, trans-1,2-Dichloroethylene, Deuterium, Hydrogen
- USD
SP-3EC Series Fixed Gas Detector
10354
The Riken Keiki SD-3EC Series are fixed explosion-proof gas detectors that continuously monitor for combustible gases, toxic gases, and oxygen in the surrounding atmosphere. These gas detectors detect gas leaks and activate an alarm when preset concentrations are exceeded. Detected gas concentrations are converted and output as 4 “ 20 mA analogue and digital HART signals. Output options include Modbus (RS-485) communication and the use of three relays. The rugged housing construction (material: stainless steel, protection rating equivalent to IP66/67) allows use in a wide temperature range (-40 “ + 70 °C). A range of different mounting types (e.g., wall, pole, and duct mounted) support a variety of uses and installation environments. These global products are certified explosion-proof in various countries and meet the requirements of various international standards, including IEC/EN-performance and SIL 2 certification. Target gas Nitrogen Dioxide, Hydrogen Sulfide
- USD
SD-3NC Series Fixed Gas detectors
10358
The Riken Keiki SD-3NC Series are fixed explosion-proof gas detectors that continuously monitor for combustible gases, toxic gases, and oxygen in the surrounding atmosphere. These gas detectors detect gas leaks and activate an alarm when preset concentrations are exceeded. Detected gas concentrations are converted and output as 4 “ 20 mA analogue and digital HART signals. Output options include Modbus (RS-485) communication and the use of three relays. The rugged housing construction (material: stainless steel, protection rating equivalent to IP66/67) allows use in a wide temperature range (-40 “ + 70 °C). A range of different mounting types (e.g., wall, pole, and duct mounted) support a variety of uses and installation environments. These global products are certified explosion-proof in various countries and meet the requirements of various international standards, including IEC/EN-performance and SIL 2 certification. Target gas Acetone, Acetylene, Ethane, Ethanol, Ethylene, Hydrogen, Isobutane, Isopropyl Alcohol, Methane, Methanol, N,N-Dimethylacetamide, n-Hexane, n-Octane, Propane, Propylene, Toluene, 1,3-Butadiene, Isobutene, Vinyl chloride
- USD
SD-3RI Series Fixed Gas Detector
10362
The Riken Keiki SD-3RI Series are fixed explosion-proof gas detectors that continuously monitor for combustible gases, toxic gases, and oxygen in the surrounding atmosphere. These gas detectors detect gas leaks and activate an alarm when preset concentrations are exceeded. Detected gas concentrations are converted and output as 4 “ 20 mA analogue and digital HART signals. Output options include Modbus (RS-485) communication and the use of three relays. The rugged housing construction (material: stainless steel, protection rating equivalent to IP66/67) allows use in a wide temperature range (-40 “ + 70 °C). A range of different mounting types (e.g., wall, pole, and duct mounted) support a variety of uses and installation environments. These global products are certified explosion-proof in various countries and meet the requirements of various international standards, including IEC/EN-performance and SIL 2 certification. Target gas Methane, Isobutane, Propane, Ethylene, 1,3-Butadiene, n-Hexane, Carbon Dioxide, Isobutene
- USD
OHC-800 Gas Calorimeter
14516
The OHC-800 is an advanced gas detection system developed by Riken Keiki, offering a revolutionary solution for ensuring safety in various industries. This cutting-edge system boasts state-of-the-art features and exceptional performance that set a new standard in gas detection. With its advanced sensors and sophisticated technology, the Riken Keiki OHC-800 gas calorimeter delivers unparalleled precision and accuracy in monitoring gases. Whether deployed in industrial settings, laboratories, or commercial facilities, this system provides real-time data with unmatched reliability. The OHC-800 gas calorimeter is a comprehensive gas monitoring solution capable of detecting a wide range of gases, including combustible gases, toxic gases, and oxygen levels. Its versatility makes it an ideal choice for various applications such as chemical plants, oil refineries, and wastewater treatment facilities. By utilizing the OHC-800, businesses can stay ahead of potential risks and ensure a safe working environment for their employees. One of the standout features of the Riken Keiki OHC-800 is its intuitive interface and user-friendly design. Navigating through the system's functions and settings is effortless, making deployment quick and operation efficient. This design not only saves valuable time and resources but also reduces the need for extensive training. Real-time monitoring and instant alerts are essential for effective gas detection systems, and the OHC-800 excels in this regard. The system is equipped with audible and visual alarms, providing immediate notifications in case of abnormalities or dangerous situations. Additionally, optional remote alarm capabilities ensure that off-site personnel are promptly alerted to potential hazards. Durability and reliability are paramount in harsh environments, and the OHC-800 is built to withstand these challenges. Its rugged construction and high-quality materials guarantee consistent performance even in the most demanding conditions, making it a trustworthy solution for long-term use. Seamless integration and connectivity are key features of the OHC-800, enabling it to work harmoniously with existing safety systems and infrastructure. The system supports multiple communication protocols, allowing easy connectivity with other devices, control panels, and SCADA systems. This interoperability enhances overall safety management and simplifies data collection and analysis. To accommodate different installation requirements, the OHC-800 provides flexible mounting options. Whether it's wall mounting, rack mounting, or using an optional stand, the system can be customized to meet specific needs and ensure optimal positioning for efficient gas detection. Compliance with safety regulations is essential, and Riken Keiki guarantees that the OHC-800 meets the highest industry standards. The system holds certifications from reputable organizations, providing confidence that it is a reliable and certified solution.
- USD
SD-1RI (Type HS) Smart Transmitter / Gas Detector
2526
The Riken Keiki SD-1RI (Type HS) Smart Transmitter/ Gas Detector line of smart transmitters features state-of-the-art gas detectors with durable flameproof enclosure, best operability and maximum safety, especially in hydrogen/acetylene atmospheres. A simple magnetic control key is placed over clear marked positions on the surface plate to test and adjust the instrument without opening the transmitter in situations with the danger of explosion. This œsingle-man-calibration is already in use and appreciated with other RKI gas detectors for easy maintenance. The built-in microprocessor features a self-diagnosis function and automatic zero-setting to minimise maintenance work and costs compared to other sensors. Dual alarm contacts or trouble alarm contact are provided for activation of external buzzer or alarm light. Powered by 24VDC, the unit has a 4-20mA output for communication to external controllers, for external readouts or alarming devices.
- USD
RM-5000 Multi-channel Gas Monitoring System
4967
The Riken Keiki RM-5000 Multichannel Gas Monitoring System is a fixed gas detector developed to detect combustible, toxic and oxygen gas types. The Riken Keiki RM-5000 has a high level of visibility and is compatible with the Riken Keiki RM-570A/580. The RM-5000 has a low power consumption.
- USD
Fixed gas detection for continuous area and process monitoring
Fixed gas detection systems are designed for continuous monitoring of hazardous gases in industrial, marine, and offshore environments. Unlike portable devices, fixed gas detectors are installed at designated locations where they monitor gas concentrations twenty four hours a day. Fixed gas detection plays a critical role in protecting personnel, assets, and processes by providing permanent surveillance of defined areas.
Fixed gas detectors use integrated sensors and transmitters to measure gas concentration and transmit readings to a central control system. Because fixed gas detection systems are connected to remote monitoring units, gas levels can be supervised from control rooms or other secure locations. This improves operational safety and enables faster response to abnormal conditions.
Fixed gas detection is used to identify irregular or hazardous gas presence within a specific area or process. Depending on the application, fixed gas detectors measure toxic gases in parts per million, oxygen in percentage by volume, and combustible gases as a percentage of the lower explosive limit. When gas concentrations approach predefined alarm thresholds, fixed gas detection systems trigger visual and audible warnings and can activate control or shutdown procedures.
Common sensor technologies used in fixed gas detection include:
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Catalytic bead sensors for combustible gases
- Electrochemical sensors for toxic gases such as ammonia, hydrogen sulfide, sulfur dioxide, and carbon monoxide
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Electrochemical sensors for oxygen detection
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Metal oxide semiconductor sensors
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Non dispersive infrared sensors for combustible hydrocarbons
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Photoionization detectors for volatile organic compounds
Fixed gas detection secures entire areas continuously and can be integrated into broader safety and automation systems. These systems display real time gas concentration values and can activate servo controls, ventilation systems, or emergency shutdown functions when abnormal conditions are detected.
Vytl Controls supplies fixed gas detection solutions designed for reliability, regulatory compliance, and long term operational safety. Through a combination of advanced sensor technology, system integration expertise, and technical support, Vytl Controls helps operators maintain safe working environments and continuous process protection across industrial, offshore, and marine applications.