Dissolved Oxygen Controller

Dissolved oxygen is a necessary condition for fish to survive, and the amount of dissolved oxygen in water has a great impact on fish feeding, bait utilization and growth. When the dissolved oxygen level is above 5 mg/L, fish food intake is normal; when the dissolved oxygen level drops to 4 mg/L, the fish food intake drops by 13%; when the dissolved oxygen level drops to 2 mg/L, the fish food intake drops by 54% , some fish have difficulty surviving; when it drops to 1 mg/L, fish stop eating and most fish cannot survive. Sufficient dissolved oxygen in the pool can improve the living environment for fish habitats and reduce the concentration of toxic substances such as ammonia nitrogen, nitrite nitrogen, and hydrogen sulfide. But it’s not that the higher the dissolved oxygen in the water, the better. When the dissolved oxygen saturation in the pool water reaches more than 150% and the dissolved oxygen content reaches more than 14.4 mg/L, fish bubble disease is easily caused. Therefore, appropriate dissolved oxygen is very important for the survival, growth and feed utilization of farmed fish. So how to monitor dissolved oxygen in aquaculture water quality? DUC2-DO, independently developed and produced by Daruifuno, is a digital intelligent online Dissolved Oxygen Controller that is connected to a Dissolved Oxygen Sensor and can continuously monitor the dissolved oxygen value of water quality in real time. As an intelligent controller, it is equipped with 2 SPST relays, which can be connected to indicator lights or buzzers for alarms. The dissolved oxygen controller has 2 channels of 4-20mA current output, and can be connected to oxygenation equipment to monitor water quality. Dissolved oxygen values are precisely controlled.