MrPerry Posted November 7, 2004 Report Share Posted November 7, 2004 HI! Can anyone help me with a diagram of a circuit that triggers a relay when the conductivity of water reaches a certain level and relase it again when the level drops below a set value?All help much appreciated.ThxPerry Quote Link to comment Share on other sites More sharing options...
ante Posted November 7, 2004 Report Share Posted November 7, 2004 Perry,Welcome to this forum.What you need is a high gain amplifier and a smith trigger. Quote Link to comment Share on other sites More sharing options...
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