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Hunter Industries headquarters in San Marcos California. Hunter produces pop-up gear-driven rotors, spray sprinklers, valves, controllers, central controllers, and weather sensors. The company reports that it holds more than 250 product patents and 40 trademarks, and conducts business in 125 countries. [6]
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.
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 ...
Senninger Irrigation was founded in 1963 by Joe Senninger, a retired engineer and citrus grower living in Central Florida. [4] The company was founded after Senninger created the first “insect-proof” sprinkler that would prevent mud dauber wasps from nesting in the nozzle orifices of overhead sprinklers when an irrigation system was not in operation. [5]
A simple soil moisture sensor for gardeners. Soil moisture sensors measure the volumetric water content in soil. [1] Since the direct gravimetric measurement of free soil moisture requires removing, drying, and weighing of a sample, soil moisture sensors measure the volumetric water content indirectly by using some other property of the soil, such as electrical resistance, dielectric constant ...
An impact sprinkler (sometimes called an impulse sprinkler) is a type of irrigation sprinkler in which the sprinkler head, driven in a circular motion by the force of the outgoing water, pivots on a bearing on top of its threaded attachment nut. Invented in 1933 by Orton Englehart, it quickly found widespread use.
A fire sprinkler system is an active fire protection method, ... Alarm sensors may be attached to monitor the settings of these valves, which are critical to overall ...
Dropsonde delivery system on a NOAA P-3 Hurricane Hunter. A dropsonde is an expendable weather reconnaissance device created by the National Center for Atmospheric Research (NCAR), designed to be dropped from an aircraft at altitude over water to measure (and therefore track) storm conditions as the device falls to the surface.