The HD3901 foliar wetting sensor detects the presence of condensation on its sensitive surface and was designed to reproduce in an extremely specifies the thermodynamic behavior of a leaf.
The degree of wetting of the leaf is a basic information in the agricultural field and floriculture to determine the most appropriate phytosanitary treatment, to prevent mold and fungal infections in general that can
afflict plants and crops in the presence of condensation on the leaves.
The double sensitive surface makes it possible to determine the degree of wetting above than below the leaf, an important feature for obtaining precise indications, since both sides of the sheet have drying times
different.
The surface of the sensor is specially treated to withstand atmospheric agents. and chemical agents in pesticide products, with a view to ensuring a long duration of the sensor.
The electronic card is protected inside a waterproof container made of plastic that allows for reliable measurements, even in environments with high condensation.
The sensor is delivered pre-calibrated at the factory and requires no calibration by the user.
The output is analogue in voltage 0.5 ... 3 V with fixed connection cable with a length of 5 or 10 m. Power supply 5 ... 18 Vdc.
The sensor can be placed inside the foliage of the plant (optimal position depends on the type of plant, but preferably place it on the outer layer of the foliage) or attached to the mast of a meteorological station placed near the culture.
Place the sensor with the sensitive surface facing up and block it with a clamp or screw using the two holes in the plastic support close to the cable. One of the two sensitive surfaces is distinguished by the symbol H (High) pre-feels near the hole at the end of the sensor. Both surfaces are functionally identical, but it would be more appropriate to orient the surface with the symbol H upwards to remember more easily the arrangement of the two surfaces.