31 Jul 1/2x Non-Contact Water Liquid Level Sensor, DC 5-12V/24V 5mA 500ms Contactless
Current consumption: 5mA. High stability, high sensitivity, strong anti-interference capacity. It can achieve multi-point serial connection and support NPN output. Its sensing tube wall thickness can be up to 20mm and it is applicable to different shapes of container or tube level's liquid level detection....