{"product_id":"xkc-y26a-npn-dc-5-12v-non-contact-liquid-level-sensor","title":"XKC-Y26A 5-12V DC Thin-Tube Liquid Level Sensor – Non-Contact, NPN Output","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003e XKC-Y26A 5-12V DC Thin-Tube Liquid Level Sensor – Non-Contact, NPN Output \u003c\/span\u003e\u003c\/h2\u003e\nThe \u003cstrong\u003eXKC-Y26A-NPN 5-12V\u003c\/strong\u003e is a \u003cstrong\u003ethin-tube non-contact capacitive liquid level sensor\u003c\/strong\u003e specially designed for detecting liquid inside \u003cstrong\u003esmall-diameter non-metallic pipes\u003c\/strong\u003e. The sensor is mounted externally around the pipe using its integrated spring-clip mechanism and detects liquid through the pipe wall without requiring direct contact with the liquid. \u003cbr\u003e\u003cbr\u003eThis model operates from a \u003cstrong\u003eDC 5V to 12V power supply\u003c\/strong\u003e and provides an \u003cstrong\u003eNPN transistor output interface\u003c\/strong\u003e. It is suitable for water pipes, liquid dispensing systems, automatic filling equipment, water purification systems, home appliances, industrial automation, PLC systems and liquid level monitoring applications.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eFeatures\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eNon-contact liquid level detection for thin non-metallic pipes\u003c\/li\u003e\n\u003cli\u003eSuitable for pipes with 5mm to 10mm outer diameter\u003c\/li\u003e\n\u003cli\u003eMaximum applicable pipe outer diameter approximately 11mm\u003c\/li\u003e\n\u003cli\u003eNo direct contact between sensor and liquid\u003c\/li\u003e\n\u003cli\u003eDC 5V to 12V operating voltage\u003c\/li\u003e\n\u003cli\u003eNPN transistor output interface\u003c\/li\u003e\n\u003cli\u003eNormally Open \/ Normally Closed output selection\u003c\/li\u003e\n\u003cli\u003eLow current consumption of ≤ 5mA\u003c\/li\u003e\n\u003cli\u003eMaximum output current up to 100mA\u003c\/li\u003e\n\u003cli\u003e500ms response time\u003c\/li\u003e\n\u003cli\u003eLiquid level accuracy of ±1.5mm\u003c\/li\u003e\n\u003cli\u003eAdjustable sensing sensitivity\u003c\/li\u003e\n\u003cli\u003eIntegrated spring-clip pipe mounting design\u003c\/li\u003e\n\u003cli\u003eEasy external installation without cutting the pipe\u003c\/li\u003e\n\u003cli\u003eSuitable for cold, hot and boiling liquid detection\u003c\/li\u003e\n\u003cli\u003eHigh sensitivity and stable sensing performance\u003c\/li\u003e\n\u003cli\u003eStrong anti-interference capability\u003c\/li\u003e\n\u003cli\u003ePure electronic non-mechanical sensing structure\u003c\/li\u003e\n\u003cli\u003ePC V0 fire-retardant housing material\u003c\/li\u003e\n\u003cli\u003eIP67 waterproof protection\u003c\/li\u003e\n\u003cli\u003eCE certified\u003c\/li\u003e\n\u003cli\u003eRoHS 2.0 compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eWorking Principle\u003c\/h3\u003e\nThe \u003cstrong\u003eXKC-Y26A-NPN\u003c\/strong\u003e operates using the \u003cstrong\u003ecapacitive sensing principle\u003c\/strong\u003e. When no liquid is present near the sensing section, the sensor maintains a certain static capacitance. When liquid inside the pipe reaches the sensing position, the liquid introduces additional parasitic capacitance. \u003cbr\u003e\u003cbr\u003eThe internal signal-processing circuit detects this capacitance change and converts it into an electrical signal. When the capacitance variation exceeds the preset threshold, the sensor determines that liquid has reached the sensing point and switches the \u003cstrong\u003eNPN output\u003c\/strong\u003e.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTechnical Details\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eItem Type: Thin-Tube Non-Contact Liquid Level Sensor\u003c\/li\u003e\n\u003cli\u003eSeries: XKC-Y26A\u003c\/li\u003e\n\u003cli\u003eModel: XKC-Y26A-NPN\u003c\/li\u003e\n\u003cli\u003eOperating Principle: Capacitive sensing\u003c\/li\u003e\n\u003cli\u003eSupply Voltage: DC 5V to 12V\u003c\/li\u003e\n\u003cli\u003eOutput Type: NPN Output Interface\u003c\/li\u003e\n\u003cli\u003eOutput Mode: Switch Quantity, Low Level Effective\u003c\/li\u003e\n\u003cli\u003eHigh-Level Output Voltage: Vin\u003c\/li\u003e\n\u003cli\u003eLow-Level Output Voltage: 0V\u003c\/li\u003e\n\u003cli\u003eCurrent Consumption: ≤ 5mA\u003c\/li\u003e\n\u003cli\u003eMaximum Output Current: ≤ 100mA\u003c\/li\u003e\n\u003cli\u003eResponse Time: 500ms\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -20°C to 105°C\u003c\/li\u003e\n\u003cli\u003eApplicable Pipe Outer Diameter: 5mm to 10mm\u003c\/li\u003e\n\u003cli\u003eMaximum Pipe Outer Diameter: Approx. 11mm\u003c\/li\u003e\n\u003cli\u003eLiquid Level Accuracy: ±1.5mm\u003c\/li\u003e\n\u003cli\u003eOperating Humidity: 5% to 100%\u003c\/li\u003e\n\u003cli\u003eHousing Material: PC V0 Fire-Retardant Material\u003c\/li\u003e\n\u003cli\u003eWaterproof Rating: IP67\u003c\/li\u003e\n\u003cli\u003eSafety Certification: CE\u003c\/li\u003e\n\u003cli\u003eEnvironmental Certification: RoHS 2.0\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003cdiv style=\"text-align: center;\" class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eMechanical Drawing \u0026amp; Dimensions\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/drawing_7f6ce29b-424f-4d39-8ab6-cfaa117a6588.jpg?v=1788417089\" alt=\"XKC-Y26A-NPN 5-12V Thin-Tube Liquid Level Sensor Mechanical Drawing and Dimensions\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eMechanical Dimensions\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eSensor Body Length: Approx. 34.4mm\u003c\/li\u003e\n\u003cli\u003eSensor Body Width: Approx. 20mm\u003c\/li\u003e\n\u003cli\u003eSensor Body Height: Approx. 13.6mm\u003c\/li\u003e\n\u003cli\u003eOverall Height Including Clip: Approx. 24.9mm\u003c\/li\u003e\n\u003cli\u003eCable Length: Approx. 500mm\u003c\/li\u003e\n\u003cli\u003eIntegrated Spring-Clip Pipe Holder\u003c\/li\u003e\n\u003cli\u003eBuilt-In Sensitivity Adjustment Control\u003c\/li\u003e\n\u003cli\u003eBuilt-In Indicator Light\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003cdiv style=\"text-align: center;\" class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eInstallation Method\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/installation_method_73df911d-e0e0-48e0-a622-452d3e31c077.jpg?v=1788417129\" alt=\"XKC-Y26A-NPN 5-12V Thin-Tube Liquid Level Sensor Installation Method\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eInstallation Procedure\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eCarefully pull open the spring clips of the sensor\u003c\/li\u003e\n\u003cli\u003ePlace the water or liquid pipe between the two spring clips\u003c\/li\u003e\n\u003cli\u003eRelease the spring clips so that the sensor securely grips the pipe\u003c\/li\u003e\n\u003cli\u003eEnsure that the sensing section remains in close contact with the pipe surface\u003c\/li\u003e\n\u003cli\u003ePosition the sensor at the required liquid-level detection point\u003c\/li\u003e\n\u003cli\u003eSuitable for pipe outer diameters from 5mm to 10mm\u003c\/li\u003e\n\u003cli\u003eMaximum pipe outer diameter should not exceed approximately 11mm\u003c\/li\u003e\n\u003cli\u003eDo not open the spring clip beyond approximately 60°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003cdiv style=\"text-align: center;\" class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eAfter Installation\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/after_installation.jpg?v=1788417165\" alt=\"XKC-Y26A-NPN Thin-Tube Liquid Level Sensor After Installation\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\" style=\"text-align: left;\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eSensitivity Adjustment\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eUse a small screwdriver to adjust the sensitivity control\u003c\/li\u003e\n\u003cli\u003eRotate counterclockwise to increase sensing sensitivity\u003c\/li\u003e\n\u003cli\u003eRotate clockwise to decrease sensing sensitivity\u003c\/li\u003e\n\u003cli\u003eAdjust sensitivity if the liquid is not detected reliably\u003c\/li\u003e\n\u003cli\u003ePerform final sensitivity adjustment after installing the sensor on the actual pipe\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/sensity_adjustment.jpg?v=1788416998\" alt=\"XKC-Y26A-NPN 5-12V Liquid Level Sensor Sensitivity Adjustment\"\u003e \u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePipe Diameter Requirement\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eRecommended Pipe Outer Diameter: 5mm to 10mm\u003c\/li\u003e\n\u003cli\u003eMaximum Pipe Outer Diameter: Approx. 11mm\u003c\/li\u003e\n\u003cli\u003eSensor is specially designed for thin non-metallic pipelines\u003c\/li\u003e\n\u003cli\u003eEnsure the sensing clip fits tightly around the pipe\u003c\/li\u003e\n\u003cli\u003eEnsure proper contact between the sensing section and pipe surface\u003c\/li\u003e\n\u003cli\u003eAvoid installing the sensor directly on metallic pipes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eNPN Wiring Diagram\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/wiring_diagram.jpg?v=1788418603\" alt=\"\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eWire Connection\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrown Wire – VCC:\u003c\/strong\u003e Connect to positive DC 5V to 12V power supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlue Wire – GND:\u003c\/strong\u003e Connect to power supply negative \/ 0V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYellow Wire – OUT:\u003c\/strong\u003e NPN signal output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Wire – MODE:\u003c\/strong\u003e Normally Open \/ Normally Closed output selection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eNormally Open \/ Normally Closed Output Selection\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack MODE wire left disconnected:\u003c\/strong\u003e Normally Open (NO) output mode\u003c\/li\u003e\n\u003cli\u003eWhen liquid is detected in Normally Open mode, the NPN transistor turns ON and the output becomes active\u003c\/li\u003e\n\u003cli\u003eWhen no liquid is detected in Normally Open mode, the NPN transistor remains OFF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack MODE wire connected to GND \/ 0V:\u003c\/strong\u003e Normally Closed (NC) output mode\u003c\/li\u003e\n\u003cli\u003eWhen liquid is detected in Normally Closed mode, the NPN transistor turns OFF\u003c\/li\u003e\n\u003cli\u003eWhen no liquid is detected in Normally Closed mode, the NPN transistor turns ON\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eConnection to Controller \/ MCU \/ PLC\u003c\/h3\u003e\nThe \u003cstrong\u003eyellow OUT wire\u003c\/strong\u003e provides the \u003cstrong\u003eNPN signal output\u003c\/strong\u003e and can be connected to a compatible controller, microcontroller, PLC input or other automation control circuit. \u003cbr\u003e\u003cbr\u003eThe connected input device should be compatible with an \u003cstrong\u003eNPN sinking-type output\u003c\/strong\u003e.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eRelay Connection\u003c\/h3\u003e\nThe NPN output can be used to control a suitable \u003cstrong\u003esmall electric relay\u003c\/strong\u003e, provided that the relay coil current does not exceed the sensor's maximum output-current specification of \u003cstrong\u003e100mA\u003c\/strong\u003e. \u003cbr\u003e\u003cbr\u003eAlways verify the relay operating voltage and current before connecting the relay directly to the sensor output.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eEnvironmental \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eOperating Temperature Range: -20°C to 105°C\u003c\/li\u003e\n\u003cli\u003eOperating Humidity Range: 5% to 100%\u003c\/li\u003e\n\u003cli\u003eLiquid Level Accuracy: ±1.5mm\u003c\/li\u003e\n\u003cli\u003eApplicable Pipe Outer Diameter: 5mm to 10mm\u003c\/li\u003e\n\u003cli\u003eMaximum Pipe Outer Diameter: Approx. 11mm\u003c\/li\u003e\n\u003cli\u003eHousing Material: PC V0 Fire-Retardant Material\u003c\/li\u003e\n\u003cli\u003eWaterproof Performance: IP67\u003c\/li\u003e\n\u003cli\u003eMaximum Output Current: ≤ 100mA\u003c\/li\u003e\n\u003cli\u003eResponse Time: 500ms\u003c\/li\u003e\n\u003cli\u003eSafety Certification: CE\u003c\/li\u003e\n\u003cli\u003eEnvironmental Certification: RoHS 2.0\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eInstallation \u0026amp; Usage Notes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eUse the sensor with non-metallic pipes\u003c\/li\u003e\n\u003cli\u003eMake sure the sensing section fits securely against the pipe\u003c\/li\u003e\n\u003cli\u003eDo not force the spring clips beyond approximately 60°\u003c\/li\u003e\n\u003cli\u003eKeep the sensor clean and free from debris around the sensing area\u003c\/li\u003e\n\u003cli\u003eKeep metal objects away from the sensing area whenever possible\u003c\/li\u003e\n\u003cli\u003eAvoid strong impacts, collisions or mechanical damage\u003c\/li\u003e\n\u003cli\u003eAvoid installing the sensor close to excessive heat sources\u003c\/li\u003e\n\u003cli\u003eFor outdoor installation, protect the sensor from prolonged direct sunlight and direct rain\u003c\/li\u003e\n\u003cli\u003eAdjust the sensitivity if reliable liquid detection is not achieved after installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eApplications\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eThin water pipes\u003c\/li\u003e\n\u003cli\u003eSmall-diameter liquid pipelines\u003c\/li\u003e\n\u003cli\u003eWater dispensers\u003c\/li\u003e\n\u003cli\u003eDrinking water equipment\u003c\/li\u003e\n\u003cli\u003eWater purification systems\u003c\/li\u003e\n\u003cli\u003eAutomatic filling machines\u003c\/li\u003e\n\u003cli\u003eLiquid dispensing systems\u003c\/li\u003e\n\u003cli\u003eLiquid level alarm systems\u003c\/li\u003e\n\u003cli\u003eLaboratory equipment\u003c\/li\u003e\n\u003cli\u003eHome appliances\u003c\/li\u003e\n\u003cli\u003eIndustrial liquid level monitoring\u003c\/li\u003e\n\u003cli\u003eAutomatic liquid level control systems\u003c\/li\u003e\n\u003cli\u003ePLC automation systems\u003c\/li\u003e\n\u003cli\u003eMicrocontroller-based projects\u003c\/li\u003e\n\u003cli\u003eIoT liquid monitoring applications\u003c\/li\u003e\n\u003cli\u003eNon-metallic pipeline liquid detection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003cdiv style=\"text-align: center;\" class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTroubleshooting\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/truobshot.jpg?v=1788417634\" alt=\"XKC-Y26A-NPN 5-12V Thin-Tube Liquid Level Sensor Troubleshooting Guide\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e1 × XKC-Y26A 5-12V DC Thin-Tube Liquid Level Sensor – Non-Contact, NPN Output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":51208906178812,"sku":"KG1389","price":699.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/XKC-Y26A-NPN-Tube-Sensor.png?v=1788412661","url":"https:\/\/kitsguru.com\/products\/xkc-y26a-npn-dc-5-12v-non-contact-liquid-level-sensor","provider":"KitsGuru","version":"1.0","type":"link"}