Riken Keiki Co., Ltd. engages in research, development, manufacturing, sales and after-sales maintenance of industrial gas detection and alarm equipment and analyzers in Japan and internationally. It offers portable gas detection devices, including gas monitor and detector, toxic gas monitor, gas suction pump unit, personal single gas monitor, gas leak checker, multi gas detector, 6-component gas detector, and multi toxic gas detector, as well as other devices that include explosion-proof calorimeter. The company also provides fixed detection devices comprising combustible gas detection alarm system, gas detector with signal converter, smart type gas detector head, single point gas monitor, fixed gas monitor, fixed gas detector, toxic gas detector head, oxygen detector head, gas analyzer. pyrolyzer unit, suction type gas detector head, smart transmitter/gas detector, multipoint point indicator/alarm unit, single point indicator/alarm unit, highly sensitive toxic gas monitor, infrared CO2 gas monitor, multi-channel gas monitoring system, CO2 gas monitor, and gas analyzers. Riken Keiki Co., Ltd. was incorporated in 1934 and is headquartered in Itabashi, Japan.