INNOVA Automatic Refractometer is equipped with a high performance inear CCD sensor, Through high-speed and highprecision signalacquisition, analysis and processing technology, it is equipped with a semiconductor Peltier supertemperaturecontrol system. Measure the refractive index (Nd) and the mass fraction of sugar solution (Brix) of transparenttranslucentdark and viscous liquid with high accuracy and efficiency.