1. computer, touch keyboard, LCD backlit liquid crystal display screen, standard serial RS232 data communication inteace 2. Non-linear data processing and data smoothing functions, rapid automatic multi-point correction, self-diagnostic information prompt, rapid and stable response, maintenance-free and reliable operation 3. Outstanding color measurement peormance, extremely accurate. With computer-aided design and simple operation, it can accurately measure the opacity of paper 4. By adopting a modified color filtering system, the overall spectral characteristics of the instrument conform to the CIE standard observer response curve, enabling accurate acquisition of ISO whiteness 5. It features high stability and reproducibility, eliminates system drift errors, and is equipped with data storage and query functions, which can meet GLP requirements, Manufacturer: SOYWIM