Tree diameter measuring instrument and data transmission system

The invention provides a tree diameter measuring instrument and a data transmission system, the measuring instrument comprises a shell, a measuring circuit and a measuring mechanism, the measuring circuit comprises a processor, a clock module, a signal processing module, an input/output module, a memory, a power supply module and a sensor, and the measuring circuit is arranged in the shell; the measuring mechanism comprises a measuring line, a rotating wheel and an elastic piece. The data transmission system comprises a measuring instrument, a server and an application terminal. The measuring instrument can accurately obtain the measured data and geographic coordinates of the tree diameter, is light in structure, easy to install, long in service life, and capable of supporting remote real-time or regular viewing of meteorological elements, visually displaying the measured data and achieving abnormal state warning. 本申请提出一种树木直径测量仪及数据传输系统，其中，测量仪包括壳体、测量电路和测量机构，所述测量电路包括处理器、时钟模块、信号处理模块、输入/输出模块、存储器、电源模块和传感器，所述测量电路设置