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2. Rain sensor - Wikipedia

   en.wikipedia.org/wiki/Rain_sensor

   Rain sensor on the windshield of a car. A rain sensor or rain switch is a switching device activated by rainfall. There are two main applications for rain sensors. The first is a water conservation device connected to an automatic irrigation system that causes the system to shut down in the event of rainfall.

3. Irrigation controller - Wikipedia

   en.wikipedia.org/wiki/Irrigation_controller

   Most automatic irrigation valves are diaphragm valves in which the water above the diaphragm must be discharged for the valve to open. In a hydraulic system, the controller and valves are connected via small plastic tubes approximately 4 mm (¼ in) in diameter. The controller opens the tube connected to the valve, allowing that valve to open.

4. Irrigation sprinkler - Wikipedia

   en.wikipedia.org/wiki/Irrigation_sprinkler

   An impact sprinkler head in action Sprinklers spraying water to irrigate vine plants in a vineyard. An irrigation sprinkler (also known as a water sprinkler or simply a sprinkler) is a device used to irrigate (water) agricultural crops, lawns, landscapes, golf courses, and other areas. They are also used for cooling and for the control of ...

5. Sprinkler system timer - Wikipedia

   en.wikipedia.org/wiki/Sprinkler_system_timer

   A sprinkler system timer is an electrical device that is used to set an irrigation sprinkler system to come on automatically at a certain time. Irrigation timers first appeared in the early 1960s to control large-radius lawn sprinklers, which at the time usually contained their own electrically operated valve (most golf-course sprinklers still use this type of actuation).

6. Micro-irrigation - Wikipedia

   en.wikipedia.org/wiki/Micro-irrigation

   An irrigation controller is used with automatic systems and may be needed for back flushing the filter or sand separator. Since water conservation is a main reason for choosing micro-irrigation systems, soil moisture sensors, rain shutoff sensors and sometimes even weather stations may be installed to further reduce consumption.

7. Center-pivot irrigation - Wikipedia

   en.wikipedia.org/wiki/Center-pivot_irrigation

   A small center pivot system from beginning to end. Irrigation equipment can also be configured to move in a straight line, where it is termed a lateral move, linear move, wheel move or side-roll irrigation system. [11] [12] In these systems the water is supplied by an irrigation channel running the length of the field. The channel is positioned ...