replacement sensor for Riken Keiki portable gas detectors including RX‑8000, GX‑8000, RX‑515, RX‑516, RX‑517, and GX‑94 Detectable Gas: Oxygen (O₂)
Detection Range: 0 – 25 vol% O₂
Sensor Type: Electrochemical Galvanic Cell, featuring temperature compensation via built‑in thermistor for stable readings across environments