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I have an electric event counter that has a solenoid and only needs a momentary pulse. I was trying to see how many times community water system pump came on in a 24 hour day. When the pressure switch is activated by low water pressure it stays on until the pressure gets to the cut off point. This takes over a minute, but way too long for the counter and it would burn it out, so I need a device to recognize that the pressure switch were closed, but only send a pulse to the counter. This time delay relay was set to 2/10 of a second and worked perfectly for this application. Like that it plugs in so replace is very easy. Also cost effective and should be reliable. WMN
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