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Gas Detection

Riken Keiki

OHC-800 Gas Calorimeter

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.

Price and delivery time will be given on request
Measuring principle Opt-Sonic method through measurement of light speed and sound speed
Measuring gas CH4 basis Paraffinic Hydrocarbon gases as represented by Natural Gas
Measuring targets Calorific value (Density / WOBBE index selectable)
Measuring range Calorific value : 25.00 - 50.00 MJ/m3 (Gross, 0 degree C, 101.325kPa converted)
Density : 0.500~1.500 MJ/m3 (Specific gravity converted)
Measuring method Constant-flow-rate gas introduction using external sampling devices
Display Full-dot LCD (with backlight), 3 color LED lamp
External Output 4-20 mA DC (isolated, source current type) maximum load resistance of 300 Ω / RS-485 communication
Failure alarm Low flow, Sensor unit abnormality, Low light amount
Failure alarm display Lamp (red) / Content indication on LCD
Failure alarm contact No-voltage contact 1a or 1b De-energize (Energize when alarming) or Energize (De-energize when alarming) Contact capacity of 2 A, 30 VDC (resistance load)
Self-diagnostic function FUNCTION CHECK (warm-up or maintenance mode), MAINTENANCE REQUIRED, OUT OF SPECIFICATION
Self-diagnostic display FUNCTION CHECK, OUT OF SPECIFICATION : Lamp (orange) / Content indication on LCD MAINTENANCE REQUIRED : Lamp (green) / Content indication on LCD
Self-diagnostic contact FUNCTION CHECK, OUT OF SPECIFICATION : No-voltage contact 1a or 1b De-energize (Energize when alarming) or Energize (De-energize when alarming) Contact capacity of 2 A, 30 VDC (resistance load) MAINTENANCE REQUIRED : SSR contact, contact capacity of 20 W, 240 VAC (resistance load)
Power supply 100 - 240 VAC ±10%, 50/60 Hz, max. 18 VA or 24 VDC ±10%, max. 5 W (The setting can be changed to either the AC or DC)
IP protection IP66 / IP67
Operation temperature -20...60℃
Operation humidity 95%RH or less (no condensing)
Dimensions 286 (W) x 453 (H) x 150 (D) mm
Weight Approx. 23 kg (50.7 lbs)

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.

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Get in touch with Sebastian our Riken Keiki specialist

Sebastian Kelderman

Sales Representative

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3084 CB Rotterdam
The Netherlands
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