Standard Quartz Tube

The standard quartz tube is the only calibration instrument for calibrating polarimeters and polar sugar meters. It has the advantages of stable performance, little environmental impact, and convenient use.

The readings (optical rotation) provided by our company are +5°, +10°, ﹢17°, +20°, ﹢30°, ﹢34°, +68°

-5°, -10°, -17°, -20°, -30°, -34°, -68°.

It can be used by customers freely.