This is a KIT, it requires Soldering and Assembly
WD-3 WATER DETECTOR Kit
WD-3 WATER DETECTOR
Add this to your security system to turn a sound alarm on when water is present. Uses an LM555 timer IC to generate the tone.
The LM555 is configured in the A-Stable mode, with one difference. The sensor PC Board replaces one of the resistors. When any moisture is present on the Sensor PC Board, it causes the circuit to oscillate.
Power requirement 6 to 15 v DC.
P C Board SIZE: .75" x 1"