{"product_id":"trolmaster-substrate-sensor-node-vwc-ec-tempwn-9","title":"TrolMaster - Substrate Sensor Node (VWC - EC \u0026 Temp)(WN-9)","description":"\u003cp\u003eThe TrolMaster WN-9 Substrate Sensor Node is a precision probe designed to expand and enhance the capabilities of the WCS-9 monitoring system. Built for professional cultivation environments, it delivers accurate, real-time readings of moisture (VWC), electrical conductivity (EC), and temperature directly within the root zone-helping operators make data-driven irrigation and feeding decisions.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e3-in-1 sensing: measures volumetric water content (VWC), EC, and temperature\u003c\/li\u003e \u003cli\u003eDesigned as an expansion node for the WCS-9 Substrate Sensor system\u003c\/li\u003e \u003cli\u003eStainless steel probe spikes for accurate internal root zone measurements\u003c\/li\u003e \u003cli\u003eDaisy-chain capability supports up to 4 sensor nodes per display\u003c\/li\u003e \u003cli\u003eImproves accuracy by averaging readings across multiple substrate points\u003c\/li\u003e \u003cli\u003eEnables advanced irrigation strategies like \"Feed on Demand\"\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eBest For\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eIncreasing monitoring accuracy across large containers or slabs\u003c\/li\u003e \u003cli\u003eEliminating variability caused by dry spots or channeling\u003c\/li\u003e \u003cli\u003ePrecision irrigation and fertigation control\u003c\/li\u003e \u003cli\u003eGreenhouse, indoor, and controlled environment agriculture\u003c\/li\u003e \u003cli\u003eCommercial cultivation and research facilities\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCompatibility\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eSystem:\u003c\/strong\u003e WCS-9 Substrate Sensor Display (required)\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eControllers:\u003c\/strong\u003e Aqua-X, Aqua-X Pro, Hydro-X, Hydro-X Pro, Tent-X, Green-X\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eExpandable:\u003c\/strong\u003e Up to 4 WN-9 nodes per WCS-9 unit\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eWater Content (VWC):\u003c\/strong\u003e 0-100%\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eEC Range:\u003c\/strong\u003e 0-30 mS\/cm\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eTemperature Range:\u003c\/strong\u003e 32-122degF (0-50degC)\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003ePower Input:\u003c\/strong\u003e 5V \/ 0.1A\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMeasurement Interval:\u003c\/strong\u003e ~1 minute\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eWhat's Included\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eWN-9 substrate sensor node probe\u003c\/li\u003e \u003cli\u003e12 ft daisy-chain control cable\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eBy adding multiple WN-9 nodes, growers can capture data from several points within the substrate and generate a more reliable average of root zone conditions-reducing guesswork and improving consistency across the entire crop.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This is an expansion sensor and requires a WCS-9 display unit for operation.\u003c\/p\u003e","brand":"ThinkGrow","offers":[{"title":"Default Title","offer_id":52071226507575,"sku":"WN-9","price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/0341\/5863\/files\/img-b2fe167b95084974b2a7598daeff711d.png?v=1777569731","url":"https:\/\/www.blacklabelsupply.io\/products\/trolmaster-substrate-sensor-node-vwc-ec-tempwn-9","provider":"BLACK LABEL","version":"1.0","type":"link"}