... Refractometer, PH/DDS/TDS Meter, etc.Application:WZZ-2A automatic polarimeter is the basic scientific instrument used to ... optical rotation of optically active substance.Automatic Measurement:WZZ-2A built-in auto-controlling system. Power on the polarimeter ... and but can calculate its purity, concentrationTechnical Specifications: ModelWZZ-2A (New)Minimum Reading0.005°Reproducibility≤0.01°Accuracy±0 ...