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The RKI 04 Series is a compact, durable single-gas monitor designed for long-term personal safety in industrial environments. Weighing just 2.8 ounces and measuring 2.1" x 2.6" x 0.9", it offers continuous operation for up to 9,000 hours on two AAA alkaline batteries, depending on the model. The series includes models for detecting gases such as CO, H₂S, O₂, NH₃, Cl₂, HCN, NO₂, PH₃, and SO₂, with options for CO sensors that eliminate hydrogen interference and dual CO/O₂ sensors. Features include user-adjustable visual, audible, and vibration alarms IP-67-rated impact, dust, and water resistance and intrinsic safety certifications for hazardous locations. Field-replaceable sensors are compatible with other RKI instruments like the GX-3R and GasWatch 3, and come with a three-year warranty (one year for ammonia and chlorine sensors) .
Features
Continuously operate for over one year (H2S and CO)
Toxic gases include: NH3, Cl2, HCN, NO2, PH3 and SO2