Abbe Refractometer model 1217 NAR-1T-Lo

Abbe Refractometer model 1217 NAR-1T-Lo -Abbe Refractometer for low refractive index measurement -Refractive Index -Ranges: 1.1500 to 1.4800 nD -Resolution: 0.001 nD -Measurement range: 5 to 50degrees C -Built in light source, digital thermometer, nozzles for connecting a constant temperature waterbath