| we can supply RefractometerRHS-10/ATCHere are brief introduction of our company:Gemological instrument is professionally designed for testing or identifying the gemstone. It is a good instrument to the professional practitioner or the student who are engaged in the gem industry. We have Gemological Refractometer , Spectroscope, Polariscope, Dichroscope, Chealse Filter, Gem Magnifier, Gem Gauge, Gem balance, Ultrasonic Cleaner etc…These models with high resolution scale of 0.1% is developed for low concentration use. It can be used to measure the low concentration of salt in brine and prepared food solution and check salt content. The RHS-10ATC has Automatic Temperature Compen | 
