{"title":"Non-contact Capacitive Liquid Level Sensor","handle":"non-contact-capacitive-liquid-level-sensor","url":"/products/non-contact-capacitive-liquid-level-sensor","description":"A non-contact capacitive liquid level sensor that detects whether liquid is present inside a non-metallic container or pipe without direct contact with the fluid. It works by measuring changes in capacitance through the container wall, making it suitable for corrosive liquids, strong acids, alkalis, and high-temperature fluids including boiling water.\n\nThe sensor includes adjustable sensitivity, a status indicator LED, and a 4-pin adapter for direct digital signal output to Arduino or other microcontrollers. It can penetrate non-metallic materials (plastic, glass, ceramic) up to 20 mm thick.\n\nKey Features\n\n\nNon-Contact Detection – Senses liquid through container walls up to 20 mm thick\n\nWide Material Compatibility – Works with plastic, glass, ceramic, and other non-metallic containers\n\nAdjustable Sensitivity – Fine-tune detection threshold for your application\n\nStatus Indicator LED – Visual feedback of liquid presence\n\nDigital Output – High-level switch output with 4-pin adapter for Arduino\n\nChemical Resistant – Unaffected by corrosive liquids, acids, or alkalis\n\nWide Voltage Range – 5–12V DC\n\nIP65 Rated – Dust-tight and splash-resistant\n\n\nSpecifications\n\n\nPower Supply – 5–12V DC\n\nOutput – Switch (high-level output)\n\nResponse Time – 500 ms\n\nOperating Temperature – −5 °C to +105 °C\n\nMinimum Pipe Diameter – 11 mm (outer)\n\nLiquid Level Accuracy – ±1.5 mm\n\nMaterial – ABS\n\nProtection – IP65\n\n\nIdeal For\n\nTank and reservoir level monitoring\nWater dispensers and beverage machines\nChemical and corrosive liquid detection\nArduino-based automation projects\n\n\nResources\n\nProduct Wiki (DFRobot)\n","vendor":"DFRobot","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":3774,"title":"Default Title","sku":"DF-SEN0368","price":20.18,"on_sale":false,"in_stock":true,"available_quantity":219,"option1":"Default Title"}]}