EVENNESS TESTER FOR PAPER

The utility model relates to an evenness tester for paper, which is a measuring device for testing paper evenness in papermaking industry, mainly comprising a display portion and a computer control portion, and the computer control portion can complete calculation according to the paper evenness define and output in a way of digital display and print form. The utility model is characterized in that the evenness tester is also provided with a luminaire portion for outputting parallel light beam and a testing portion which is composed of a photoelectric converter which is arranged on the light axis of the parallel light beam from the luminaire. According to the theory of relative measurement, with the method of data statistical treatment, adopting a photoelectric structural form, the utility model accomplishes the quantitative evaluation of the paper evenness via digital.