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The SOLUS sensor (TEROS12) is among the most precise in any industry, and it adapts to your substrate needs. Over 20 years of rigorous research and development went into making the ultimate home-growing sensor among the easiest to use. If you’ve got two AA batteries, you’ve got effortless insights. Simply align it, slide it in, and push a single button.


The substrate sensor is a high accuracy water content and EC sensor designed for all growing media. This model measures the water content from 0-100%, the substrate, the temperature between -40 and +50°C and the electrical conductivity (EC) in the range 0 to 23 dS/m.

Aroya Solus Wireless Sensor

Out of Stock
    • Quick and easy WC, EC and temp spot-checks
    • Secure – won’t store data or monitor measurements over time
    • Wirelessly pairs with any iOS or Android mobile device using Bluetooth
    • Easy installation with installation tool
    • Steel needles cut through the soil for better soil-sensor contact
    • Robust, epoxy body for tough field conditions
    • Dependable, long-life sensor
    • Large volume of influence
    • Ferrite core eliminates cable noise