The meteorological representative error is the main source of EDM error, as well as the main obstruct to realize the nominal accuracy of the precision electronictachometer also.
气象代表性误差是光电测距的主要误差来源,也是实现精密全站仪标称精度的主要障碍之一。
2
Motor has thermo-elements to monitor temperature, electronictachometer and high pressure oil jacking device when needed. The excitation device currently uses micro- computer control device.