+44 203 286 8189 steve.jones@westside-int.com

Rosahl is a unique, low power electric micro-dehumidifier for enclosures from under one litre up to 4m³. It uses a polymer membrane electrolyte, driven from a 3V DC power source. This is usually supplied from a transformer, but when correctly applied, it can be powered by a battery or solar (PV) cell array.


Average annual power consumption varies according the ambient conditions: it is typically 60 mW for the one litre size up to 8 W for the 4m³ version.



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Rosahl PD4 dehumidifying membrane up to 1 litre