{"product_id":"rs485-industrial-water-electrical-conductivity-ec-sensor-k-1-multi-parameter-pre-calibrated-df-sen0706","title":"RS485 Industrial Water Electrical Conductivity (EC) Sensor (K=1, Multi-Parameter \u0026 Pre-Calibrated)","description":"\u003cp\u003eThis product is an industrial-grade water electrical conductivity sensor.  The probe and housing are integrated into a single unit, resulting in a simple and convenient design for accurate measurement of water electrical conductivity. It features \u003cb\u003ean electrode constant K=1, a measurement range of 1~2000 μS\/cm, a resolution of 0.1 μS\/cm, and an accuracy of ±1%FS\u003c\/b\u003e.  It also includes salinity and TDS conversion functions, allowing for the output of salinity and TDS data, meeting the needs of multi-parameter water quality monitoring.    \u003c\/p\u003e\u003cp style=\"text-align: center; \"\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0706\/1.png\" alt=\"Overview of RS485 Industrial-Grade Water Electrical Conductivity Sensor (K=10)\" title=\"Overview of RS485 Industrial-Grade Water Electrical Conductivity Sensor (K=10)\"\u003e\u003c\/p\u003e\u003cp\u003eThe electrical conductivity sensor is equipped with an RS485 communication interface and supports the standard ModBus-RTU protocol.  Tutorials are provided for connecting the sensor to Arduino development boards and DFRobot LoRaWAN, enabling quick setup of a test environment and real-time data monitoring. A built-in temperature sensor provides automatic temperature compensation, ensuring accurate and reliable data output under varying environmental conditions.  \u003c\/p\u003e\u003cp style=\"text-align: center; \"\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0706\/2.png\" alt=\"Measurement data of RS485 Industrial-Grade Water Electrical Conductivity Sensor (K=10)\" title=\"Measurement data of RS485 Industrial-Grade Water Electrical Conductivity Sensor (K=10)\"\u003e\u003c\/p\u003e\u003cp\u003eThe electrical conductivity sensor is rigorously calibrated before leaving the factory and is ready for immediate use without further calibration.  It also comes with a conductivity calibration solution, allowing users to quickly optimize measurement accuracy after prolonged use through register settings. With an overall waterproof rating of IP68, it can be submerged in water for extended periods, making it suitable for aquaculture, tap water monitoring, drinking water treatment, hydroponics, and agricultural irrigation applications.  \u003c\/p\u003e\u003cp style=\"text-align: center; \"\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0706\/3.png\" alt=\"Measurement data of RS485 Industrial-Grade Water Electrical Conductivity Sensor (K=10)\" title=\"Measurement data of RS485 Industrial-Grade Water Electrical Conductivity Sensor (K=10)\"\u003e\u003c\/p\u003e\u003ch2\u003eFeatures:\u003c\/h2\u003e\u003cli\u003e4-in-1 Multi-Parameter Output: Built-in algorithms allow you to read Electrical Conductivity (1~2000 μS\/cm), Salinity (0~1000 ppm), TDS (0~1100 ppm), and Temperature simultaneously.\u003c\/li\u003e\u003cli\u003eIndustrial-Grade Durability: The integrated housing and 5-meter cable boast a true IP68 waterproof rating, perfect for continuous, long-term submersion.\u003c\/li\u003e\u003cli\u003eAutomatic Temperature Compensation (ATC): A built-in temperature sensor automatically adjusts readings (-20°C~+60°C range), guaranteeing pinpoint accuracy regardless of environmental fluctuations.\u003c\/li\u003e\u003cli\u003eEffortless IoT Integration: Operates on a wide 10~30V DC power supply and utilizes RS485 (ModBus-RTU), making it plug-and-play ready for PLCs, industrial gateways, and Arduino microcontrollers.\u003c\/li\u003e\u003cli\u003eOut-of-the-Box Ready: Factory calibrated for immediate use. We also include a free 1413μS\/cm calibration solution, allowing you to easily optimize accuracy via simple register settings down the road.\u003c\/li\u003e\u003ch2\u003eApplications:\u003c\/h2\u003e\u003cli\u003eAquaculture: Monitor pond salinity and water quality in real-time to maintain a healthy aquatic environment.\u003c\/li\u003e\u003cli\u003eHydroponics \u0026amp; Smart Agriculture: Precisely measure nutrient solution concentrations to optimize crop yield.\u003c\/li\u003e\u003cli\u003eWater Treatment: Monitor tap water and drinking water facilities to ensure safety and compliance.\u003c\/li\u003e\u003ch2\u003eSpecification:\u003c\/h2\u003e\u003cli\u003ePower Supply Voltage: 10~30V DC\u003c\/li\u003e\u003cli\u003ePower Consumption: 0.4W\u003c\/li\u003e\u003cli\u003eCommunication Interface: RS485 (Standard ModBus-RTU protocol)\u003c\/li\u003e\u003cli\u003eMeasurement Range:\u003cbr\u003e         Conductivity: K=1: 1~2000 μS\/cm\u003cbr\u003e         Temperature: -20°C~+60°C\u003cbr\u003e         Salinity: K=1: 0~1000 ppm\u003cbr\u003e         TDS: K=1: 0~1100 ppm\u003c\/li\u003e\u003cli\u003eMeasurement Accuracy:\u003cbr\u003e         Conductivity: ±1%FS\u003cbr\u003e         Temperature: ±0.5°C\u003c\/li\u003e\u003cli\u003eResolution:\u003cbr\u003e         Conductivity: 0.1 μS\/cm\u003cbr\u003e         Temperature: 0.1°C\u003c\/li\u003e\u003cli\u003eTemperature Compensation Range: -20°C~+60°C\u003c\/li\u003e\u003cli\u003eTemperature Compensation Coefficient: Default 0.02\u003c\/li\u003e\u003cli\u003eResponse Time: 1S\u003c\/li\u003e\u003cli\u003eOperating Temperature: -20°C~+80°C\u003c\/li\u003e\u003cli\u003eWaterproof Rating: IP68\u003c\/li\u003e\u003cli\u003ePressure Resistance: 0.6MPa\u003c\/li\u003e\u003cli\u003eCable Length: 5m\u003c\/li\u003e\u003cli\u003eHousing Material: Corrosion-resistant plastic\u003c\/li\u003e\u003ch2\u003eDocuments:\u003c\/h2\u003e\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/sen0706\/\" target=\"_blank\"\u003eProduct wiki\u003c\/a\u003e\u003c\/li\u003e\u003ch2\u003eProduct Includes:\u003c\/h2\u003e\u003cli\u003eRS485 Water Quality Electrical Conductivity Sensor (K=1) x1\u003c\/li\u003e\u003cli\u003e5m sensor cable x1\u003c\/li\u003e\u003cli\u003e1413μS\/cm conductivity calibration solution 100ml x1\u003c\/li\u003e\u003cli\u003eBlack protective mesh x1\u003c\/li\u003e\u003cli\u003eCable ties x2\u003c\/li\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":42388489601106,"sku":"DF-SEN0706","price":298.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0383\/files\/SEN0706_Main_01.jpg?v=1777691597","url":"https:\/\/www.pakronics.co.nz\/products\/rs485-industrial-water-electrical-conductivity-ec-sensor-k-1-multi-parameter-pre-calibrated-df-sen0706","provider":"Pakronics®","version":"1.0","type":"link"}