E-mail: michael@shboqu.com   |   Expert in Water Quality Measurement and Water Treatment Project

The dissolved oxygen sensor of the online dissolved oxygen meter has a long service life

by:BOQU     2023-04-09
The dissolved oxygen sensor of the online dissolved oxygen meter has a long service life due to the low consumption of electrolyte and large storage capacity, so the service life is long, and it can be used for at least 5 years in theory. Maintenance saving It is very easy to replace the electrolyte and cover film, just screw on the patented cover film. In addition, the Teflon film used by WTW is very resistant to pollution, and pollutants are not easy to adhere to it, and normal and reliable testing can be guaranteed without cleaning. High test accuracy Online dissolved oxygen meter dissolved oxygen sensor test is accurate, within the entire test range, the accuracy can reach 1% of the test value. Stable readings from beginning to end All online dissolved oxygen meter dissolved oxygen sensors provide stable and reliable readings from the beginning: very low failure rate long-term drift small no zero drift self-diagnostic technology online dissolved oxygen meter dissolved oxygen sensor has three types of technology with diagnostic functions, such as Monitor electrolyte storage and monitor membrane damage. Therefore, the service life of the battery can be predicted, and the replacement time of the electrolyte can be prompted. The built-in high-performance preamplifier adopts SMD surface packaging technology, and the electrical detection signal is amplified and output with low impedance, ensuring long-distance transmission without interference, at least up to 100 meters. The dissolved oxygen sensor of the online dissolved oxygen meter is different from the ordinary two-test meter. The dissolved oxygen meter adopts the constant potential three-type test principle. The whole electrochemical test system includes a gold cathode (working voltage A) and two silver electrodes, one of which is the counting positive electrode G, and the other is the reference electrode R, the reference electrode has no current flow, so the potential on the reference electrode is very Stability, which enhances the stability of the electrical detection results and improves the accuracy of the entire online dissolved oxygen meter dissolved oxygen test system.
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