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Enabling better global research outcomes in soil, plant & environmental monitoring.

DRO Ecomatik Roots And Aquatic Plants Dendrometer

The DRO Dendrometer is designed for continuous measurement of roots, aquatic plants and creepers for diameters of 0-5cm.

A soft, light resistant rubber coating protects the whole sensor from ingress of moisture, the device is waterproof. A metal clamp protects the sensor from excessive pressure exerted from overlying soil.

The specific weight of the unit is similar to that of water. When used underwater, no extra load is charged on target plants by the floating instrument. It is easy to install and maintenance free.

Suitable for plant size Diameter <5 cm
Range of the Sensor 11 mm
Accuracy Dendrometer:
stable offset ±4.5%
Logger dependent, e.g.:
CR1000: ± (0.04% +4.4 μm)
DL18: ±0.1%
Resolution 0.2 – 2.6 μm (dependent on data logger used)
Linearity <1%
Thermal expansion coefficient of sensor <0.2 μm/K
Operating Conditions Temperature: -25 to 70°C,
in and on soil, under water