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Designed for remote weather stations and ocean data buoys. DC voltage operation, low power consumption and a warm up time of only 0.25 sec.

Proven track record for reliability and accuracy with thousands of units in daily use under diverse climatic conditions around the world.

ROTRONIC Hygromer™ Sensor Technology ensure excellent performance over the full range of conditions and high resistance to contaminants.

Advanced filter technology allows sensors to operate in coastal and marine environments. Available with natural aspiration or motor aspirated radiation shields. Field calibration with certified humidity standards.