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The flooding of fish ponds and the death of fish in fish ponds are ly caused by the lack of dissolved oxygen in the water. Attention should be paid to the Rongyang state of the water body, and its content should be adjusted in time to prevent floating head phenomenon.
The producer can set the "alert value" or "adaptive value" of the aeration controller according to the demand of the aquaculture aquatic products for dissolved oxygen. Once the dissolved oxygen in the water falls below the "warning value", the oxygen increasing controller will automatically add oxygen. When the dissolved oxygen increases to above the "adaptive value", it will automatically stop increasing oxygen. Therefore, the oxygen increasing controller can automatically control the water solubility according to the wishes of the farmers Oxygen can keep it at an appropriate level all the time, thus effectively preventing the occurrence of floating head, flooding pool and other major accidents, greatly reducing the breeding risk of demonstration households, and protecting the entry of fishery science and technology.
Automatic control function: when the dissolved oxygen is lower than the lower limit, the aerator will start automatically. If the dissolved oxygen is higher than the upper limit, it will stop automatically. When the dissolved oxygen is higher than the high limit, the oxygen will be replenished automatically.
Manual operation function: start / stop the aerator manually; set the upper and lower limit parameters; one key automatic calibration; check the working state of the instrument.
System self preservation and alarm function:
① Long service life. The service life of pure gold silver oxygen electrode can reach 10 years, which is more than 5 times of other products.
② Good stability. It can be used continuously for more than 120 days, which is more than 30 times of other products.
③ The measurement distance is far. The longest length is 300 meters, which is more than 5 times of other products.
④ More data information is displayed. The three windows of the main engine display the dissolved oxygen value, oxygen limit value, water temperature value and 5 working state indicator lights with high brightness, which is more intuitive and reliable, and can avoid visual observation error and has high reliability.