* Field measurement for autoe manufacturing and testing, s products,aerospace and other industries. Measurement of transmittance of protective film, PC, acrylic and other plastic products. Other transparent or semitransparent material transmittance measurement. (Note: printed, frosted and milky materials are not suitable for measurement by this machine) * Simple operation, fast measurement speed, good sensitivity, high measurement accuracy * 1500P can be connected to a printer to print test data * Instrument startup automatic calibration and manual calibration * Lar capacity stora, can store 500 measurement data