Wide-range high-precision photoelectric plumb coordinatograph measuring device and method

The invention discloses a wide-range high-precision photoelectric plumb coordinatograph measuring device and method, and relates to the field of engineering safety monitoring. The device comprises an optical cabin A, an optical cabin B and an electronic cabin, the optical cabin A, the optical cabin B and internal parts thereof are arranged in a mirror symmetry manner, the electronic cabin is fixedly connected with each optical cabin, and a wire passing hole is reserved in the middle of the electronic cabin; the internal structures of the optical bin A and the optical bin B are the same, and each optical bin internally comprises a collimation light source assembly, a CCD assembly and two prisms; a main circuit board and a power transformer connected with the main circuit board are arranged in the electronic bin; according to the collimation light source assembly, a plurality of lenses form a high-performance and small-caliber collimation lens, and ideal aberration parameters can be obtained; the four prisms at