SW4 Water Flood Sensor User Manual
Contents
1. SW4 Water Flood Sensor User Manual 1 Principle Model SW4 water flood sensor uses electrode detection method to detect if there is water on the floor It s a special module adopting resistance change when electrode in water and uses special IC to amplify compare and output high level signal Output a N C or N O signal via relay when there s water Technical parameter a Rating voltage DC12V b Storage temp 55 C 85 C c Work temp 20 C 55 C d Work humidity 5 95 e Operating current lt 20mA f MTBF 50000 hours 2 Connection Sensor with a 5 core cable length is 2 meter the definition for each wire list in following table No Color Definition 1 Red Positive pole of DC12V power in 2 Black Negative pole of DC12V power in 3 Yellow COM 4 Green N O signal 5 Blue N C signal 3 Dimension of sensor 65 55 O O 75 75 O 27
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