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Timer and Time Clock Tech

Timer and Time Clock Tech

Early timers were simple, electro-mechanical devices. Interval timers used a set time-period for load control. For instance, I used interval timers to control fans in cooling sheds. Using a 10-minute interval timer, the fans were set to come on two minutes out of every 10.

Other timers have up to a 24-hour interval with as many as 12 on/off operation settings. They are often used to control lighting, signs, fans and conveyors. Pool heaters, blowers and pumps can be connected to them as well.

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