The present invention relates to a tree annual measuring device for measuring and analyzing the annual rings and growth state of trees.;The tree annual ring measuring apparatus of the present invention is composed of a main body and a computer, and the main body has a main frame composed of a balance frame extending on the upper plate and the lower frame, a CD camera moving screw and a displacement meter, CD camera moving unit fixed on the top plate, the CD camera assembled to the screw through the bottom edge groove of the CD camera moving unit, the CD camera moving unit is assembled on the upper surface of the sample fixture and the core fixture is assembled Comprising a sample holder that is attached to the inner surface of the lower frame of the main frame, the CD camera / computer interface unit, the computer is connected to the CD camera / computer interface unit for analyzing the measurement data to determine the tree growth status It is characterized by the installation of dedicated software.;The tree annual ring measuring device of the present invention is capable of precise measurement because it measures the distance between the rings while looking at the image of the tree displayed on the computer monitor freely expanding and contracting, and the measurement and analysis are performed in one place by the device of the present invention. The savings in measurement and analysis time reduce the workload.
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