The Water Level is controlled by controlling the high current relay according to the water level of the detection pool (water tower).
Relay Automation Controller:Port 1 and 2:when water is full,it will power on;when water is not enough,it will power off; Port 2 and 3:when water is not enough,it will power on;when water is full,it will power off.
The relay controller has the characteristics of small size, simple wiring, low power consumption, large switching capacity, strong anti-interference and high functional stability.
The liquid water level detecting sensor can stably realize the automatic pump water pumping when the pool (water tower) is short of water, and automatically stop the water pump when it is full.
This product does not require the purchase of a separate probe, and can replace the probe with a household wire. Strip the thread around 1 cm to make it bare.