{"product_id":"trolmaster-wn-9-substrate-sensor-node-3-in-1-expansion-probe-for-wcs-9-system","title":"TrolMaster WN-9 Substrate Sensor Node | 3-in-1 Expansion Probe for WCS-9 System","description":"\u003ch3 data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"10\"\u003eThe \u003cb data-path-to-node=\"10\" data-index-in-node=\"4\"\u003eTrolMaster WN-9\u003c\/b\u003e is the dedicated sensing engine behind the revolutionary WCS-9 system. Engineered for professional cultivators who refuse to rely on single-point data, the WN-9 is a professional-grade \u003cb data-path-to-node=\"10\" data-index-in-node=\"205\"\u003e3-in-1 measurement probe\u003c\/b\u003e designed to capture hyper-accurate root zone metrics. Whether you are working with traditional soil or high-bulk EC soilless substrates, the WN-9 provides the verified data required for elite \u003cb data-path-to-node=\"10\" data-index-in-node=\"422\"\u003ecrop steering\u003c\/b\u003e and plant health management.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eHardware \u0026amp; Precision Measurement\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"12\"\u003eEach WN-9 Node is built with robust \u003cb data-path-to-node=\"12\" data-index-in-node=\"36\"\u003estainless steel spikes\u003c\/b\u003e that provide continuous, high-fidelity monitoring of \u003cb data-path-to-node=\"12\" data-index-in-node=\"112\"\u003eVolumetric Water Content (VWC)\u003c\/b\u003e and \u003cb data-path-to-node=\"12\" data-index-in-node=\"147\"\u003eElectrical Conductivity (EC)\u003c\/b\u003e. To complete the data profile, a precision temperature sensor is embedded directly into the probe, allowing you to track root-zone heat levels with scientific accuracy. This hardware is specifically calibrated to operate flawlessly in aggressive, high-nutrient environments without signal drift.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"13\"\u003e\u003cb data-path-to-node=\"13\" data-index-in-node=\"0\"\u003eDaisy-Chain Connectivity \u0026amp; Scalability\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"14\"\u003eThe WN-9 was born to eliminate the \"localized anomaly\" problem. By utilizing its \u003cb data-path-to-node=\"14\" data-index-in-node=\"81\"\u003eAdvanced Daisy-Chain Connectivity\u003c\/b\u003e, growers can link up to \u003cb data-path-to-node=\"14\" data-index-in-node=\"139\"\u003efour individual WN-9 Sensor Nodes\u003c\/b\u003e together into a single WCS-9 display. This multi-node architecture allows the system to aggregate data from multiple points in the pot or slab, calculating a highly reliable average that bypasses \"hot spots\" or water channelling errors. \u003cb data-path-to-node=\"14\" data-index-in-node=\"409\"\u003eScalability\u003c\/b\u003e has never been simpler—add more nodes as your monitoring needs evolve.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"15\"\u003e\u003cb data-path-to-node=\"15\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"16\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,0,0\"\u003e\u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"0\"\u003eHyper-Accurate 3-in-1 Sensing:\u003c\/b\u003e Simultaneously tracks VWC%, Substrate EC, and root-zone Temperature.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,1,0\"\u003e\u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"0\"\u003eExpansion Ready:\u003c\/b\u003e Specifically designed to daisy-chain with the WCS-9 system for multi-point data averaging.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,2,0\"\u003e\u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"0\"\u003eIndustrial Build Quality:\u003c\/b\u003e Features heavy-duty stainless steel prongs for long-term durability in soil and soilless media.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,3,0\"\u003e\u003cb data-path-to-node=\"16,3,0\" data-index-in-node=\"0\"\u003eEliminate Data Skew:\u003c\/b\u003e By using multiple WN-9 nodes, you ensure your irrigation triggers are based on the whole medium, not just one wet spot.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,4,0\"\u003e\u003cb data-path-to-node=\"16,4,0\" data-index-in-node=\"0\"\u003ePlug-and-Play Integration:\u003c\/b\u003e Uses standard M12 digital connectors for a secure, fast setup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-path-to-node=\"18\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"19\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,1,0,0\"\u003e\u003cb data-path-to-node=\"19,1,0,0\" data-index-in-node=\"0\"\u003eCompatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,1,1,0\"\u003eExclusively for TrolMaster WCS-9 System\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,2,0,0\"\u003e\u003cb data-path-to-node=\"19,2,0,0\" data-index-in-node=\"0\"\u003eMax Nodes per Display\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,2,1,0\"\u003e4 (Daisy-Chained)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,3,0,0\"\u003e\u003cb data-path-to-node=\"19,3,0,0\" data-index-in-node=\"0\"\u003eSensor Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,3,1,0\"\u003eStainless Steel 3-Prong (VWC, EC, Temp)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,4,0,0\"\u003e\u003cb data-path-to-node=\"19,4,0,0\" data-index-in-node=\"0\"\u003eMedia Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,4,1,0\"\u003eRockwool, Coco, Soil, and High-EC Substrates\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,5,0,0\"\u003e\u003cb data-path-to-node=\"19,5,0,0\" data-index-in-node=\"0\"\u003eConnectivity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"19,5,1,0\"\u003eM12 Digital Link\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"TrolMaster","offers":[{"title":"Default Title","offer_id":55629218021761,"sku":"TM-WN-9-SENS","price":134.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5370\/1536\/files\/trolmaster-wcs-9-sensor-head-2.jpg?v=1777991515","url":"https:\/\/steelroots.co.uk\/products\/trolmaster-wn-9-substrate-sensor-node-3-in-1-expansion-probe-for-wcs-9-system","provider":"Steel Roots ","version":"1.0","type":"link"}