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Edu Logger Data Logger Sensors Edu Lab 900 205, This sensor can be used to make measurements of the level of free oxygen in air or dissolved oxygen in water. The free oxygen in air mode is used to measure changes in oxygen levels during combustion or in reactions that produce oxygen hydrogen peroxide decomposition. The sensor should be connected to a voltage source the USB module plugged into a computer, Edu Logger's™ Display unit or Battery module. For free Oxygen, calibration of the probe is simply achieved in open air, taking this as a standard level of 20.9% assuming stable level in the Earth's atmosphere at sea level and pressing the push button on the sensor's box for about 3 seconds when the readings are stable. The sensor will then be calibrated at 20.9%. In liquid, the sensor is calibrated to 100% in an Oxygen saturated solution. Edu Logger Oxygen Logger Sensor
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