Carbon emission meter suitable for building decoration site

The utility model provides a carbon emission meter suitable for a building decoration site, which comprises a meter main body, the front surface of the meter main body is provided with a display screen and keys, the upper side and the lower side of the display screen are symmetrically provided with transversely arranged guide strips, and the middle part of each guide strip is provided with a strip-shaped sliding hole; a strip-shaped sliding groove communicated with the strip-shaped sliding hole is formed in the side, close to the display screen, of the scraping plate in the length direction, sliding blocks capable of sliding left and right along the strip-shaped sliding hole are arranged in the strip-shaped sliding hole, a vertically-arranged scraping rod is arranged between the two sliding blocks, and a flexible scraping piece strip is arranged on the side, facing the display screen, of the scraping rod. The scraping rod capable of scraping left and right on the surface of the display screen is adopted, accu