{"title":"Small Pipe Diameter Level Sensor","handle":"small-pipe-diameter-level-sensor","url":"/products/small-pipe-diameter-level-sensor","description":"A non-contact capacitive liquid level sensor designed for small-diameter pipes (outer diameter ≤10 mm). Detects the presence or absence of liquid through the pipe wall without any physical contact with the liquid — making it safe for corrosive substances like strong acids and alkalis.\n\nFeatures adjustable sensitivity, a status indicator LED, and a 4-pin sensor adapter for direct digital signal connection to Arduino or other microcontrollers. Provides real-time level feedback with ±1.5 mm accuracy.\n\nKey Features\n\n\nNon-Contact Detection – Senses liquid through the pipe wall using capacitive technology\n\nSmall Pipe Compatible – Designed for pipes with outer diameter ≤10 mm\n\nAdjustable Sensitivity – Tune detection threshold for different pipe materials and liquids\n\nStatus Indicator LED – Visual feedback of liquid detection state\n\nDigital Output – 4-pin adapter for direct connection to microcontrollers\n\nIP65 Waterproof – Suitable for wet environments\n\n\nSpecifications\n\n\nPower Supply – 5–24V\n\nOutput – Digital switch (high/low)\n\nResponse Time – 500 ms\n\nOperating Temperature – -5 to 105°C\n\nSuitable Pipe Diameter – ≤10 mm (outer diameter)\n\nLiquid Level Accuracy – ±1.5 mm\n\nMaterial – ABS\n\nWaterproof Rating – IP65\n\n\nIdeal For\n\nWater dispensers and small pipe monitoring\nMedical and laboratory perfusion tube detection\nCorrosive liquid level monitoring (acids, alkalis)\nArduino and microcontroller-based liquid sensing projects\n\n\nResources\n\nDFRobot Product Wiki\n","vendor":"DFRobot","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":3755,"title":"Default Title","sku":"DF-SEN0370","price":19.18,"on_sale":false,"in_stock":true,"available_quantity":134,"option1":"Default Title"}]}