Refactometer Pr-R1 Digital. ,Each

Details:

Digital refractometer, type pr-ri^ measures refractive index 1.3306 To 1.4436, Accuracy /-0.0002 (Water at 20 degree c), minimum resolution 0.0001, Measure time 3 seconds. Ambient temperature 10-40 c. Zero setting w/distilled or tap water. External light feature (eli) to ensure accurate readings.