Sensorex CS511 dissolved oxygen probe

Tuesday, 01 June, 2010 | Supplied by: Campbell Scientific Aust Pty Ltd


The Sensorex CS511 rugged, low-maintenance sensor consists of a self-polarising galvanic cell that generates a millivolt signal proportional to the amount of oxygen present in the measured medium (typically water).

Oxygen diffuses through its membrane onto a cathode that produces a chemical reaction. An electrical current is produced by this reaction, which is converted from microamps to millivolts by an inline resistor. An inline thermistor provides automatic temperature compensation.

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