Exposure test chip, also known film exposure time measured, the exposure calculation sheet is screen printing workers, one of the tools commonly used test that can accurately test the different types of light-sensitive glue, different light, different colors of the screen, different photographic film thick under the conditions of the exposure time should be the right choice for improving the yield of the plate plays an important supporting role. 
 Exposure test pieces generally have five gray density of the test section, each section has an exposure factor, usually 1,0.7, 0.5, 0.35, 0.25. After printing down to observe the screen on the five lines of resolution gray gradient, with the most clear and the actual period of the exposure factor multiplied by the exposure time, you can calculate the best exposure time, while the general exposure of the test chip also has from 1% -97% of the network of different tone test strip. 
 Ketu Tai exposure test pieces AUTOTYPE EXPOSURE CALCULATOR exposure is an easy to use aids to help beginners and exposure used for demanding customers in the exposure test to help determine the correct exposure time, exposure, quality inspection and web version test.