Dissolved Oxygen Probe

Article number: Part # ENV-40-DOX
Availability: In stock (5)

Galvanic dissolved oxygen probe with PTFE membrane.
1 meter cable incl BNC connector.

A galvanic dissolved oxygen probe consists of a PTFE membrane, an anode bathed in an electrolyte and a cathode. Oxygen molecules defuse through the probes membrane at a constant rate (without the membrane the reaction happens too quickly). Once the oxygen molecules have crossed the membrane they are reduced at the cathode and a small voltage is produced. If no oxygen molecules are present, the probe will output 0 mV. As the oxygen increases so does the mV output from the probe. Each probe will output a different voltage in the presence of oxygen. The only thing that is constant is that 0mV = 0 Oxygen. (A galvanic dissolved oxygen probe can also be used to detect the Oxygen content in gases).

Reads Dissolved Oxygen
Range 0 − 100 mg/L
Accuracy +/– 0.05 mg/L
Response time ~0.3 mg/L/per sec
Max pressure 3,447 kPa (500PSI)
Max depth 343 meters (1,125 ft)
Temperature range °C 1 − 50 °C
Cable length 1 meter
Internal temperature sensor No
Time before recalibration ~1 Year
Life expectancy 5 Years +
Maintenance ~18 Months

datasheet D.O probe
datasheet pipe fitting

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