Function: 1. Non-contact Type: Usable on the outer wall of non-metallic pipes without direct contact with liquids and is not affected by corrosive liquids or miscellaneous items. 2. Intelligent Liquid Level Sensor: Intelligent adjustment of liquid level reference and liquid level memory function, liquid level status display mode, can realize multi-point series connection. 3. High Accuracy: The liquid level accuracy is 1.5mm, the detection is accurate and stable, the working temperature is 20-105 ℃, and the boiling water level can be detected. 4. Good Electrical Performance: Pure electronic circuit structure and uses non-mechanical working mode, stable performance, and long service life. 5. Low Interference: The liquid level sensor has high stability and sensitivity, strong anti-interference ability, and is not subject to external electromagnetic interference. 6. For Non-metallic Pipes: With strong compatibility, it penetrates various non-metallic container pipes, such as plastic, glass, ceramic, and other containers. 7. Wide Voltage: Has a wide voltage range, suitable for connecting various circuits and products, and has strong practicality. Specification: Item Type: Liquid Level Sensor Material: PC-VO flame-retardant material Purpose: Suitable for liquid level detection of various plastic pipes, rubber pipes, nylon pipes, and glass pipes Sensing Principle: Capacitive liquid level sensing Output Form: High and low level signal Current Consumption: 5mA Response Time: 500mS Output Current: 100mA Liquid Level Accuracy: 1.5mm Humidity: 5%-100% Working Temperature: -20-105℃ Waterproof Performance: IP65 Applicable Pipe Diameter Range: Approx. 3-10mm / 0.1-0.4in Model Working Voltage Output Method XKC-Y26A-VDC 5-24V High and Low Level XKC-Y26A-NPN (5-12V) DC5-12V Switching Value (Low Level Effective) XKC-Y26A-PNP (5-12V) DC5-12V Switching Value (High Level Effective) XKC-Y26A-NPN (24V) DC24V Switching Value (Low Level Effective) XKC-Y26A-PNP (24V) DC24V Switching Value (High Level Effective) Package List: 1 x Liquid Level Sensor Note: Do not reverse the positive and negative poles, and do not directly use the black wire as GND, otherwise the sensor will be burned out.