Tebru Dual Level Sensor Liquid Sensor Infrared Liquid Water Level Sensor Infrared For Aquariums Automatic Irrigation Systems

Features: This is a infrared dual-level water sensor module with two detection probes. Sensor probes adopt full-sealed waterproof design. Output mode is relay switch output withstand current is 30A. When liquid level state indicators (D3 D4) light on at the same time relay status indicator (D1) lights on and relay start to work. NO and COM are connected and external load starts to work. When D3 D4 light off at the same time D1 lights off and relay stops working. Used in laboratory automatic water filling system of fish tank and other situations requiring water level control and protection as well as general industrial site water level control. Specifications: Working Voltage: AC85V~265V Working Current: