Order early for pre-holiday delivery. Flinn will be closed December 24th, 2025,
through January 4th, 2026, reopening Monday, January 5th, 2026.
Orders received after 10:30 AM Central Time on Tuesday, December 23rd, 2025,
will ship after we return.
Price: $245.77
In Stock.
This item can only be shipped to schools, museums and science centers
Great for human respiration activities or the perfect complement to the CO2 gas sensor. Designed to measure oxygen concentration in air, the sensor’s range is 0 to 27% oxygen. For human respiration activities, the end of the sensor can connect to a 22-mm standard breathing tube. For plant or animal respiration experiments, the O2 consumption can be measured and if used in conjunction with the CO2 sensor, compared to the CO2 production. Analog sensor.