{"product_id":"dragino-wss-27-rs485-par-sensor","title":"Dragino WSS-27 PAR Sensor for Smart Agriculture (RS485)","description":"\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDragino WSS-27\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a high-precision \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRS485 PAR (Photosynthetically Active Radiation) sensor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, designed to measure the light available for plant photosynthesis in smart agriculture, greenhouses, crop research and environmental monitoring applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike conventional light sensors that measure illuminance in lux, the WSS-27 measures \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ephotosynthetically active radiation (PAR)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e within the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e400–700 nm spectral range\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, providing information directly relevant to plant growth and photosynthetic activity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe sensor offers a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003emeasurement range of 0–2,500 μmol\/m²\/s\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1 μmol\/m²\/s resolution\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and a published accuracy of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e±2%\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making it suitable for applications requiring detailed monitoring of plant-available light.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRS485 communication interface\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, with Modbus-compatible integration, enables connection to suitable weather station controllers, industrial monitoring equipment and data acquisition systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor wireless monitoring over a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLoRaWAN network\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the WSS-27 can be connected to a compatible controller, such as the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDragino WSC2-L Weather Station Controller (EU868)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, which collects the measurements and transmits them to a LoRaWAN network server.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe WSS-27 operates from a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5–24V DC power supply\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and is designed for low-power environmental monitoring installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith a published \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eoperating temperature range of −30°C to +75°C\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the sensor is suitable for a wide range of agricultural and environmental monitoring conditions, subject to correct installation and protection of its connections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBy monitoring PAR levels, growers and researchers can better understand the light conditions affecting crops and use the data to support greenhouse lighting strategies, shading management and plant growth analysis.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDragino WSS-27\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is an effective solution for precision farming, greenhouse automation, agricultural research and connected environmental monitoring systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The WSS-27 is an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRS485 PAR sensor, not a standalone LoRaWAN device\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. LoRaWAN communication requires a compatible external controller. PAR measurements in μmol\/m²\/s are not equivalent to illuminance measurements in lux or total solar irradiance in W\/m².\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e🔑 Key Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e🌱 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePAR Measurement\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Measures photosynthetically active radiation used by plants for photosynthesis.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🌈 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e400–700 nm Spectral Range\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Covers the photosynthetically active portion of the light spectrum.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e📊 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0–2,500 μmol\/m²\/s Measurement Range\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Suitable for agricultural light monitoring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🎯 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e±2% Published Accuracy\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Designed for precise PAR measurements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🔬 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1 μmol\/m²\/s Resolution\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Supports detailed light intensity monitoring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🔌 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRS485 Communication\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Wired connection to compatible controllers and monitoring systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e⚙️ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eModbus-Compatible Integration\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Suitable for compatible industrial and weather station equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e⚡ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5–24V DC Power Supply\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Flexible power integration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🌡️ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eWide Operating Temperature Range\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Published range from −30°C to +75°C.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🔋 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLow Power Consumption\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Approximately 3 mA at 12V, according to the existing product specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e📡 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLoRaWAN via External Controller\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Compatible with suitable Dragino WSC2-L weather station systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🌿 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSmart Agriculture \u0026amp; Greenhouses\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Supports crop light monitoring and greenhouse management.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e🛠 Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e🌱 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSmart Agriculture \u0026amp; Precision Farming\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Monitor photosynthetically active light available to crops.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🏡 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGreenhouse Monitoring\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Track PAR levels to support lighting and shading decisions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e💡 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHorticultural Lighting Systems\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Evaluate the light reaching plants under natural or supplemental lighting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🌾 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCrop Growth Research\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Collect PAR measurements for photosynthesis and plant development studies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🌳 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOutdoor Agricultural Monitoring\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Measure plant-available light in field installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🏫 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eUniversities \u0026amp; Research Laboratories\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Support agricultural and environmental experiments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🌦️ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eWeather Station Integration\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Add PAR measurement to compatible environmental monitoring stations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e📡 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLoRaWAN Agricultural Networks\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Transmit PAR data through a compatible external LoRaWAN controller.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e📦 Package Includes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 × Dragino WSS-27 RS485 PAR Sensor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNot included:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Dragino WSC2-L controller, LoRaWAN gateway, external power supply or monitoring platform.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e🛠 Related Product\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/invibitshop.com\/products\/dragino-wsc2-l-lorawan-main-process-unit-eu868?_pos=1\u0026amp;_psq=wsc2\u0026amp;_ss=e\u0026amp;_v=1.0\" title=\"Dragino WSC2-L LoRaWAN® Main Process Unit and RS485 Converter\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline; color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003eDragino WSC2-L LoRaWAN Main Process Unit and RS485 Converter\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\u003cbr\u003e📥 \u003cstrong\u003eProduct Downloads\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e📄 \u003ca rel=\"noopener\" title=\"Dragino WSS‑27 LoRaWAN (RS485) PAR Sensor – Photosynthetically Active Radiation\" href=\"https:\/\/www.dropbox.com\/scl\/fo\/kph92nn3moitvioer29cv\/AGDz5bNv-F3EUxIazJVx8eg?dl=0\u0026amp;e=1\u0026amp;preview=Datasheet_WSC2+Series+%26+WSC2-Compact+Series_Weather+Station+Kit.pdf\u0026amp;rlkey=ds6l75g0bwjlmjwcu3uyi7s0i\u0026amp;st=v9kg6kka\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline; color: rgb(43, 0, 255);\"\u003eDatasheet\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.dropbox.com\/scl\/fo\/kph92nn3moitvioer29cv\/AGDz5bNv-F3EUxIazJVx8eg?dl=0\u0026amp;e=1\u0026amp;preview=Datasheet_WSC2+Series+%26+WSC2-Compact+Series_Weather+Station+Kit.pdf\u0026amp;rlkey=ds6l75g0bwjlmjwcu3uyi7s0i\u0026amp;st=v9kg6kka\"\u003e\u003c\/a\u003e\u003cbr\u003e📖 \u003ca rel=\"noopener\" title=\"Dragino WSS‑27 LoRaWAN (RS485) PAR Sensor – Photosynthetically Active Radiation\" href=\"https:\/\/wiki.dragino.com\/xwiki\/bin\/view\/Main\/User%20Manual%20for%20LoRaWAN%20End%20Nodes\/WSC2-L_Weather_Station_Kit_User_Manual\/\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline; color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003eUser Guide\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Dragino","offers":[{"title":"Default Title","offer_id":52685833863504,"sku":"WSS-27","price":237.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0489\/4032\/files\/WSS-27.webp?v=1770972947","url":"https:\/\/invibitshop.com\/products\/dragino-wss-27-rs485-par-sensor","provider":"InviBIT Shop","version":"1.0","type":"link"}