{"product_id":"industrial-rs485-blue-green-algae-water-quality-sensor-pre-calibrated-df-sen0714","title":"Industrial RS485 Blue-Green Algae Water Quality Sensor (Pre-calibrated)","description":"\u003cp\u003eThis industrial-grade water quality Blue Green Algae sensor based on the fluorescence principle.  The probe and housing are integrated into a single unit, resulting in a simple and convenient design. It is used for \u003cb\u003eaccurately measuring cyanobacteria concentration in water\u003c\/b\u003e, with a \u003cb\u003emeasurement range of 0-300,000 cells\/ml, a resolution of 1 cell\/ml, and an accuracy of ±5% FS\u003c\/b\u003e. The sensor utilizes a fiber optic light path design and incorporates a filtering algorithm, providing strong resistance to external light interference.\u003c\/p\u003e\u003cp style=\"text-align: center; \"\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0714\/1.png\" alt=\"Overview of RS485 Water Quality Blue Green Algae Sensor\" title=\"Overview of RS485 Water Quality Blue Green Algae Sensor\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eThe Blue Green Algae 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, allowing for quick setup of a testing environment and real-time data monitoring. It features a built-in temperature sensor with 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\/SEN0714\/2.png\" alt=\"Measurement data of RS485 Water Quality Blue Green Algae Sensor\" title=\"Measurement data of RS485 Water Quality Blue Green Algae Sensor\"\u003e\u003c\/p\u003e\u003cp\u003eThe Blue Green Algae sensor is rigorously calibrated before leaving the factory and is ready for use upon arrival, requiring no further calibration. It has an overall waterproof rating of IP68, allowing for long-term submersion in water, making it suitable for algae research and monitoring in rivers, lakes, and ponds.\u003c\/p\u003e\u003cp style=\"text-align: center; \"\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0714\/3.png\" alt=\"Detail of RS485 Water Quality Blue Green Algae Sensor\" title=\"Detail of RS485 Water Quality Blue Green Algae Sensor\"\u003e\u003c\/p\u003e    \u003ch2\u003eFeatures:\u003c\/h2\u003e\u003cli\u003eMeasurement range: 0~400 μg\/L, resolution: 0.1 μg\/L, accuracy: ±5% FS\u003c\/li\u003e\u003cli\u003eIntegrated probe housing design, waterproof rating up to IP68\u003c\/li\u003e\u003cli\u003eFluorescence principle with filtering algorithm, strong resistance to external light interference\u003c\/li\u003e\u003cli\u003eBuilt-in temperature sensor, automatic temperature compensation to ensure measurement accuracy\u003c\/li\u003e\u003cli\u003eRS485 communication interface, supports ModBus-RTU protocol\u003c\/li\u003e\u003ch2\u003eApplications:\u003c\/h2\u003e\u003cli\u003eHarmful Algal Bloom (HAB) Early Warning: Deployment in municipal reservoirs to detect dangerous cyanobacteria spikes before they impact water treatment facilities.\u003c\/li\u003e\u003cli\u003eAquaculture Management: Continuous monitoring of commercial fish ponds and shrimp farms to optimize water oxygenation and filtration systems.\u003c\/li\u003e\u003cli\u003eIoT Ecological Research: Integration with LoRaWAN nodes for remote, long-term hydrological data logging in rivers, lakes, and estuaries.\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          Cyanobacteria: 0~300,000 cells\/ml\u003cbr\u003e          Temperature: 0°C~+60°C\u003c\/li\u003e\u003cli\u003eMeasurement Accuracy:\u003cbr\u003e          Cyanobacteria: ±5%FS (25)\u003cbr\u003e          Temperature: ±0.5°C\u003c\/li\u003e\u003cli\u003eResolution:\u003cbr\u003e          Cyanobacteria: 1 cell\/ml\u003cbr\u003e          Temperature: 0.1°C\u003c\/li\u003e\u003cli\u003eLinearity: R²\u0026gt;0.999\u003c\/li\u003e\u003cli\u003eTemperature Compensation Range: 0°C~+60°C\u003c\/li\u003e\u003cli\u003eResponse Time: ≤30S\u003c\/li\u003e\u003cli\u003eOperating Temperature: 0°C~+40°C\u003c\/li\u003e\u003cli\u003eMeasurement Principle: Fluorescence method\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\u003eProduct Includes:\u003c\/h2\u003e\u003cli\u003eRS485 Water Quality Blue-Green Algae Sensor x1\u003c\/li\u003e\u003cli\u003e5m Sensor Cable x1\u003c\/li\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":42388489764946,"sku":"DF-SEN0714","price":1415.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/0383\/files\/SEN0714_Main_01.jpg?v=1777691601","url":"https:\/\/www.pakronics.co.nz\/products\/industrial-rs485-blue-green-algae-water-quality-sensor-pre-calibrated-df-sen0714","provider":"Pakronics®","version":"1.0","type":"link"}