refractoRudolph's J series Digital Refractometers are automatic, digital systems with an LCD screen. Refractive Index being highly temperature-sensitive the sample's temperature from models J57 and above is controlled by the electronic heating and cooling Peltier technology. Through the keypad the temperature of the sample can be set thus avoiding the use of water-baths which are clumsly, cumbersome and costly.

refractoRudolph's J series Digital Refractometers are automatic, digital systems with an LCD screen. Refractive Index being highly temperature-sensitive the sample's temperature from models J57 and above is controlled by the electronic heating and cooling Peltier technology. Through the keypad the temperature of the sample can be set thus avoiding the use of water-baths which are clumsly, cumbersome and costly.