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HYDROSTICK DENODL multilevel modular probe
DENODL HYDROSTICK multilevel modular probe for wireless soil monitoring with configurable modules and measurements down to 120 cm.
HYDROSTICK multilevel modular probe
HYDROSTICK is a DENODL multilevel modular probe that integrates multiple sensors at different depths within a single wireless device. It combines a top module for control, transmission and power with three sensor modules that can be configured to match each application.
The design enables soil measurements at different depths down to 120 cm, reducing installation complexity compared with solutions based on several independent sensors. The product is aimed at agriculture, irrigation monitoring and agronomic analysis of soil-water behavior.
Depending on configuration, HYDROSTICK can cover volumetric water content, water tension, apparent electrical conductivity, four-wire electrical conductivity, total salts, temperature, pH and main NPK nutrients. In DENODL's digital-twin platform, the agronomic analysis section can display the soil water-retention curve and compare it with standardized USDA curves.
| Type | Wireless multilevel modular soil probe. |
| Architecture | Top module for control, transmission and power, with three configurable sensor modules. |
| Measurement depth | Measurements at different depths up to 120 cm. |
| Measurements | Soil temperature, volumetric water content, apparent soil electrical conductivity, soil water potential and pore-water electrical conductivity. |
| Sensor group 1 | Volumetric water content, water tension, apparent electrical conductivity and soil temperature. |
| Sensor group 2 | Volumetric water content, four-wire electrical conductivity, total salt content and soil temperature. |
| Sensor group 3 | Temperature, pH and main nutrient content: nitrogen, phosphorus and potassium (NPK). |
| Agronomic analysis | Soil water retention curve for each monitoring point. |
| Soil models | Comparison with twelve USDA standardized curves by texture. |
| Available parameters | Saturation Point, Field Capacity, Refill Point and Permanent Wilting Point. |
| Programme | Developed under the European Commission LIFE Programme. |
| Installation | Rod-shaped design with simplified installation and optimized operating costs. |


