Sea to A650 Automatic Refractometer built-in Peltier (Peltier) precise temperature control system, equipped with high-performance CCD light-sensitive components, through a unique signal processing technology patent acquisition and analysis, accurate and efficient completion of all experimental samples. A650 can automatically measure the transparent, translucent liquid of refractive index (nD) and sugar solution mass fraction (Brix Brix), with accurate, reliable, fast, easy operation. 
 Features: 
 High-resolution CCD detector for automatic measurement, to avoid human error, greater accuracy 
 Built-in Peltier (Peltier) temperature control system precisely 
 Selection of high hardness sapphire measuring prism glass material with excellent corrosion and scratch resistant properties, are free to clean, durable 
 Life of more than 5000 hours of high brightness LED light source 
 Large storage capacity, the instrument can automatically store data up to 1000 groups 
 Unique signal processing technology patent acquisition and analysis, measurement accuracy 
 The large color touch screen display and innovative software for WINDOWS instrument control and data acquisition easier 
 USB and RS232 ports can be directly connected to an external PC, comes with a U disk interface and SD card interface, user to export data backup 
 ART by laboratory analysis equipment machine quality certification standards 
 Technical parameters: 
 Refractive index measurement range (nD): 1.3000-1.7000 
 Measurement error of indication (nD): ± 0.0002 
 Measurement resolution (nD): 0.0001 
 Sucrose solution concentration (Brix Brix) reading range: 0-95% 
 Measurement error of indication (Brix Brix): ± 0.1% 
 Measurement resolution (Brix Brix): 0.1% 
 Temperature display range: 0-50 ℃ 

 12. Dimensions: 570 × 470 × 750mm3; 13. Weight: 30kg;