R.C. Systems Inc.

R.C. Systems Inc., founded in 1979 and headquartered in Santa Fe, Texas, is a manufacturer of gas detection and critical alarm control systems with over 45 years of industry experience. The company was acquired by Det-Tronics in June 2025, expanding its reach in hazardous gas monitoring technology. In the water and wastewater sector, R.C. Systems provides comprehensive gas detection solutions compliant with NFPA 820 standards for wastewater treatment facilities. Their SenSmart product line includes wired models such as the 5100 EC for toxic gases, 5300 IR for combustibles, and 5400 IR for CO2, alongside wireless models including the battery-powered 7100 EC, 7300 IR, and 7400 IR that operate up to nine months on a D-cell lithium battery with over one-mile radio range. The ViewSmart controller family ranges from the 4-channel ViewSmart 400 to the 64-channel ViewSmart 6400, supporting centralized multi-point monitoring across large facilities. The ZoneProtector system provides integrated gas detection meeting NFPA 820 requirements. For hydrogen sulfide specifically, R.C. Systems offers electrochemical sensors spanning ranges from 0–1 ppm to 0–10,000 ppm, including models rated for hot and dry locations and units with arctic heaters. Their wastewater monitoring covers H2S at anaerobic digesters and lift stations, methane at enclosed pump stations, chlorine at disinfection processes, and oxygen depletion in confined spaces.