How Do Dissolved Oxygen Probes Work? | Atlas Scientific
Electro-galvanic oxygen sensor - Wikipedia
operational amplifier - Using Electro-galvanic_oxygen_sensor ; Oxygen concentration varying b/w 19% to 30% for ambient air (which should be 21%) - Electrical Engineering Stack Exchange
A schematic drawing of a galvanic-type oxygen sensor for 'low'... | Download Scientific Diagram