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Dissolved Oxygen (DO)
What is Dissolved Oxygen (DO)?
Dissolved Oxygen (DO) is the amount of oxygen dissolved in a unit of water. Oxygen gets into water by: diffusing within the surrounding air, aeration (turbulent movement), and as a waste product from plants through photosynthesis.
Why is Dissolved Oxygen Measurement Necessary?
For aquaculture, if the DO level falls too low then the fish will suffocate as a consequence. In a sewage treatment plant, bacteria will decompose the solids. If the DO level is too low, then the bacteria will die and the decomposition will cease; if the DO level is too high, then the energy will be wasted through the aeration of the water. In industrial applications, including boilers, the make-up water must have low DO levels in order to avoid corrosion and boiler scale build up. Monitoring dissolved oxygen content is essential for ensuring process efficiency, because boiler scale build up inhibits heat transfer. A high DO level in water improves the taste of drinking water. However, high DO levels will increase corrosion in water plumbing and transport lines.
Fish farming and aquatic environment health
Live fish transport
Industrial make up waters
Our extensive line of Dissolved Oxygen products provide options for almost any application.
Popular ProductsSensorex Dissolved Oxygen Best Sellers
DO1200 – Galvanic Dissolved Oxygen Sensor
Our DO1200 galvanic dissolved oxygen sensors measure the oxygen content of water using an electrochemical measurement principle. Built in an…
ODOA-Series Replacement Cap for Optical Dissolved Oxygen Probes
The ODOA-series replacement caps let you quickly and easility service your Sensorex Lumin-S Optical Dissolved Oxygen probe. While the caps…
DO6400 – Dissolved Oxygen Sensor with Digital Communication
Our DO6400 series galvanic dissolved oxygen sensor delivers accurate measurements with very fast response time. Calibration is simple and only…
ODO8000 and ODO9000 – Lumin-S Optical Dissolved Oxygen Sensors with Digital Communication
The Lumin-S optical dissolved oxygen sensor delivers reliable DO measurements over a long operating life. There are no membranes to…
LPM100 – Display, Loop-Powered 4-20mA
The LPM100 is a durable, loop-powered 4-20mA display for use in process monitoring applications. Compatible with any sensor with a 4-20mA output,…
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