....This is why your home air compressor shuts off at 120psi and kicks on again at 90. If it didn't that thing would running darn near all the time. ......
DaytonaTurbo hit it with the air compressor example. If all you want is a deadband, then get a pressure switch with not only an adjustable setpoint but an adjustable deadband. Then you don't need all the space shuttle circuitry.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
