Apogee Instruments - Oxygen Sensor (0-30%)

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The Apogee oxygen sensor measures 0-30% gaseous O2 for the root zone, sealed CO2 rooms, and compost, with an internal thermistor for temperature correction. Choose the model for yo ur system.All models share the heated, potted polypropylene design; they differ in reference type and output.Available Options Analog, 0-30% (SO-130) Analog, fast thermistor reference (SO-210) SDI-12 digital, fast thermistor reference (SO-421) SDI-12 digital, 0-30% (SO-431) Key Features Measures 0-30% gaseous O2 Heated membrane option for porous media Internal thermistor for temperature correction Rugged potted polypropylene body Made in the USA and backed by Apogee's industry-leading warranty and support. Ideal Applications Root-zone and substrate O2 Sealed CO2-enriched rooms Compost and soil respiration Show more