The 2100 series spectrophotometer has good accuracy, with a 5nm slit bandwidth design, high-quality silicon photodiode detector, and 1200 diffraction gratings per millimeter to ensure its high performance. Automatic wavelength setting, clear digital display, and built-in automatic detector for easy operation. The main functions of the 2100 series include modes such as absorbance, transmittance, factor, and concentration, as well as a one click automatic zero adjustment function.