Fig. 1. General description of the direct current half-bridge sensor. The data logger and multiplexer are used to monitor the change in resistance of a piece of basswood placed in the O horizon as a function of water content.
Fig. 1. General description of the direct current half-bridge sensor. The data logger and multiplexer are used to monitor the change in resistance of a piece of basswood placed in the O horizon as a function of water content.