RKI Instruments, Inc.

Company record

RKI Instruments, Inc. designs, manufactures, and services portable gas‑detection instruments, fixed monitoring systems, and the associated parts and accessories. The company’s product portfolio supports safety and control needs in confined‑space entry, plant operations, process management, and environmental monitoring. Its devices are capable of measuring lower‑explosive‑limit (LEL) and parts‑per‑million (ppm) concentrations of hydrocarbons, oxygen deficiency, carbon monoxide, hydrogen sulfide, ammonia, arsine, carbon dioxide, chlorine, freons, hydrogen chloride, hydrogen cyanide, hydrogen fluoride, nitrite oxide, nitrogen dioxide, ozone, phosphine, sulfur dioxide, as well as additional gases. RKI Instruments employs a range of sensor technologies—including catalytic combustion, thermal conductivity, electrochemical, infrared, paper‑tape pyrolysis, metal‑oxide, and other methods—to deliver reliable detection across these applications.

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