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The OxyGuard probe is a membrane covered galvanic cell that generates an electrical signal proportional to the oxygen pressure it senses, whether it is in water, air, gas, wine, oil or something else.  The probe can be used to measure dissolved oxygen in aquaculture, the environment, in clean water, waste water, in oil or other fluids.

• Dimensions = Diameter 58 mm, length = 59 mm, Cable length = 7 m standard.
• Weight = 0.2kg without cable, 0.5kg with 7 m cable.
• Principle = Galvanic cell, self polarizing, self temperature-compensating.
• Range and Output = 2.5 to 5 minivolts per ppm (mg/l. Output impedance approx. 1 kiloohm.
• Flow requirements, water = Minimum flow dependent on DO and temperature, typically 1 cm/sec.
• Operating conditions = 0 to 40C. Submersible to 50 metres.