The ZN22-T-2IP consists of two sealed potentiometer (IP54) to be run under very wet conditions. The frame is made of one piece of carbon fiber (CFK) and is consequently combined with stainless steel elements (rods and nuts) in order to minimize the temperature sensitivity. The ZN22-T-2IP is the successor of the ZN11-T-2IP and comes with waterproof welded cables (without connectors) 1 m in length. Applicable for tree stems >7 cm in diameter.