Analytical Industries gpr-11-32-4 Oxygen Sensor

The Analytical Industries GPR-11-32-4 Oxygen Sensor is a galvanic, four‑pin O2 sensor used within Analytical Industries’ GPR‑series oxygen analyzers (notably in GPR‑2500/S and GPR‑2600 models) as a standard sensor element. In air, its output is a low‑current signal typical of galvanic cells, roughly 40–55 microamps at about 21% O2, providing a direct electrical signal to the instrument for stable, repeatable readings. The sensor is specified for an operating range of 5°C to 45°C and a life of about 32 months in air at 25°C and 1 atm; for gas streams containing more than 0.5% CO2, the XLT‑11‑24‑4 variant is recommended to maintain performance. This model is part of Analytical Industries’ Made‑in‑USA GPR family and is distributed by suppliers like Instrumart as a genuine Analytical Industries replacement sensor, underscoring its role as a standard, reputable component in professional oxygen‑monitoring setups.