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Dissolved oxygen probes or sensors measure the amount of oxygen that diffuses into a probe or sensor across a permeable or semipermeable membrane. When oxygen enters the sensor, a chemical reduction event takes place, resulting in the production of an electrical signal.
The DO probe detects this signal, which is then shown on a metre.The atmosphere (molecular oxygen) and photosynthesis, where it is a byproduct, are the two main sources of dissolved oxygen. DO is crucial for chemical processes in aquatic environments and is necessary for the majority of aquatic species to survive.
What DO probe is best for you will depend on the industry you operate in and why you are testing DO. As an illustration, evaluating DO for brewing beer will have a different purpose than analysing water samples on a regular basis.
The simplest approach to test dissolved oxygen in water, whether you’re testing in the lab or the field, is to use an electroanalytical or electrochemical dissolved oxygen sensor or probe, also known as an amperometric or Clark-type sensor.
Redox (oxidation-reduction) reactions are the basis for dissolved oxygen probes, which provide continuous and real-time monitoring. Most DO probes need a “warm-up time” before usage, which polarises the electrodes before measuring the DO in water, as they have an applied voltage. The electrode sensor (DO probe) is dipped into the solution being tested after being attached to the metre.The electrodes inside the metre can receive voltage when the DO probe is connected.
Through diffusion, the oxygen (O2) molecules pass through the permeable or semipermeable membrane and reach the electrodes.
The Global Dissolved Oxygen Sensors market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
Formally introduce ODO RTU, the newest dissolved oxygen probe from YSI. With the help of this probe, market-leading ODOM technology is made available to the general public, enabling third-party integration without the use of specialist connectors or exclusive firmware.
You’ll enjoy lower costs, less maintenance, and better data with ODO RTU. ODO RTU is based on the same ODO technology that is trusted in all of YSI’s ProDIGITAL dissolved oxygen sensors and is built to interface directly to PLCs from third parties using a Modbus network.
The flying lead cable, which comes in 7 various lengths, is prepared for quick installation into current installations or as the basis for a brand-new, inexpensive monitoring system.
The HD-960LR is a brand-new dissolved oxygen monitor that HORIBA Advanced Techno, Co., Ltd. created and started selling to manufacturers of semiconductors and equipment used in semiconductor fabrication.
Chemicals used in the semiconductor manufacturing process are becoming more diverse as a result of recent downsizing and improved performance of semiconductors, and each one needs to be managed properly.
With exceptional accuracy, this new dissolved oxygen monitor continuously assesses the dissolved oxygen concentration of chemicals used in the production of semiconductors. A unique internal sensor system can prevent the degradation of the electrolyte and even increase compatibility with ammonia water and particulate organic solvents. Additionally, the use of this new technique has made the industry’s best sensor replacement cycle of around a year possible.
In comparison to our standard products, the HD-960LR increases the sensor life by about 1.3 times for ultrapure water and by 70 times for ammonia water.
