Monitoring and control of the dissolved oxygen

System without PC

• Allow to visualize on a display the oxygen values.
• Activate alarms in case of risk.
• Activate some machines and/or electrovalves for controlled oxygen delivery.

The control units are usually assembled in IP65 Control cabinets, so that they can be installed in the open area being resistant to bad weather conditions; the Control cabinets can be integrated by electric line controlled by machines for oxygen dissolution.

System with PC

Each control cabinet is connected to a PC through a communication net. From the PC it is possible to perform any operation. This system allows to:

• Centralize the information in order to know always in real time the plant conditions. This peculiarity is very important for fishfarms with a large number of tanks, or tanks located in a wide area.
• Recording of the controlled parameters.
• Data tele-transmission for one or more distance-controlled installations, or simply to be alerted in case of average

Main Programmes functions

1. Viewing in real time of the controlled parameters in different parts of the plant.
2. Data recording and historical graphics creation.
3. Register of all the existing alarms activation (optical, acoustical, phone).
4. Determine the values of actuation for automatic activation, at distance, of the valves, machines for oxygenation and pumps.

Benefits

The automatic monitoring and control of the dissolved oxygen have the following aims:

• Decrease of high mortality risk due to sudden variations of the dissolved oxygen
• Exclusion of labor for manual bearing of the dissolved oxygen in all tanks.
• Reduction of pathology risk, due to the correct levels of oxygen in the tanks.
• Better consumption of oxygen and electricity due to the water pumping and to the oxygenating machines.