04 – Single Gas Monitor

The 04 Series Single-Gas Detectors from RKI Instruments are compact, rugged monitors designed for reliable personal protection. Available in a wide range of gases including CO (with H₂ compensation), HCN, NH₃, NO₂, PH₃, SO₂, and a CO/O₂ combo, these detectors deliver dependable performance with long battery life and strong alarm capabilities in a lightweight, pocket-sized design.

• Single-gas monitoring for CO, HCN, NH₃, NO₂, PH₃, SO₂, or CO/O₂ combo
• Compact and lightweight (just 2.8 oz)
• Rugged, IP-67-rated for dust and water resistance
• Visual, audible, and vibration alarms for instant alerting