The 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. Key Features 3-in-1 sensing: measures volumetric water content (VWC), EC, and temperature Designed as an expansion node for the WCS-9 Substrate Sensor system Stainless steel probe spikes for accurate internal root zone measurements Daisy-chain capability supports up to 4 sensor nodes per display Improves accuracy by averaging readings across multiple substrate points Enables advanced irrigation strategies like "Feed on Demand" Best For Increasing monitoring accuracy across large containers or slabs Eliminating variability caused by dry spots or channeling Precision irrigation and fertigation control Greenhouse, indoor, and controlled environment agriculture Commercial cultivation and research facilities Compatibility System: WCS-9 Substrate Sensor Display (required) Controllers: Aqua-X, Aqua-X Pro, Hydro-X, Hydro-X Pro, Tent-X, Green-X Expandable: Up to 4 WN-9 nodes per WCS-9 unit Specifications Water Content (VWC): 0-100% EC Range: 0-30 mS/cm Temperature Range: 32-122degF (0-50degC) Power Input: 5V / 0.1A Measurement Interval: ~1 minute What's Included WN-9 substrate sensor node probe 12 ft daisy-chain control cable By 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. Note: This is an expansion sensor and requires a WCS-9 display unit for operation.
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