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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).
It is used in conjunction with irrigation sprinklers to form an automated or non-automated sprinkler system, capable of administering precise amounts of water, at a regular basis. A water flow timer using a ball valve contains an electric motor with gears to stop or start the water flow by turning a perforated ball within the water flow line.
The program features include time schedules, set points, controllers, logic, timers, trend logs, and alarms. The unit controllers typically have analog and digital inputs that allow measurement of the variable (temperature, humidity, or pressure) and analog and digital outputs for control of the transport medium (hot/cold water and/or steam).
Hundreds of mourners from throughout the U.S. lined streets, placed flowers and offered their thoughts on the life and legacy of President Jimmy Carter on Saturday. Funeral services for Carter ...
Police have not disclosed a motive. A day after the Dec. 16 attack, a California judge issued a restraining order against Paffendorf, 20 at the time, under the state’s gun red flag law. It ...
Amanda Bynes has embarked on a weight loss journey and she’s eager to share her results. Bynes, 38, took to Instagram Stories on Tuesday, November 5, to share a screenshot of her day’s total ...
This page was last edited on 1 March 2007, at 23:04 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
Fox News host Sean Hannity gives his take on the White House's response to mysterious drone sightings in his opening monologue Monday on "Hannity." SEAN HANNITY: Now, if your government didn't ...
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