Automatic measuring eggshell color uniformity, eggshell egg color is an important indicator of quality. The world's poultry research departments in many countries and breeders use this instrument to measure the eggshell color, to get a percentage between black and white , with 0% representing black, white as 100%. For the world's largest brown eggs often, reading requires between 25-40% of the white eggs, Acceptable readings between 75-85%. LCD real-time display of measurement results of the standard value when the display. Two standard instrument calibration plate, automatic calibration, the calibration simple and convenient calibration in less than one minute technical parameters: 1, precise quality control microprocessor control and display the measurement results 2, measuring range: 0-100% 3, Brown eggs range: 25-40% 4, white eggs measuring range: 75-85% 5, automatic calibration, calibration time less than 1 minute 6, a sealed stainless steel measuring chamber, easy to clean and resistant to wear. Configuration: 1. Reflectometer QCR host a 2. A set of stainless steel measuring chamber 3. Color Calibrator set