Ref301-Ref314 Handheld Clinical Refractometer Portable Digital Refractometer

REF301/311 ProteinThese model are developed for quick determination of protein in serum and urine specific gravity. Scale range: 0-12g/dl1.000 to 1.040sgMinimum scale: 0.2g/dl0.002sgModel REF 311 has a built-in automatic temperature compensation system. Compensation temperature range 10° C to 30° C. REF302/312 ProteinThis model has three scales, Scale one is protein in serum, Scale two is urine specific gravity, Scale three is refractive index. Scale range: 0-12g/dl1.000 to 1.050sg1.3330 to 1.3600RI Minimum scale: 0.2g/dl0.002sg0.0005RI. Model REF312 has a built-in automatic temperature compensation system. Compensation temperature range 10° Cto 30° CREF303/313 ProteinThis model has three scales, Scale one is protein in serum, Scale two is urine specific gravity, Scale three is refractive index. Scale range: 0-12g/1000m 1.000 to 1.050sg1.3325-1.3600ND Minimum scale: 0.2g/dl0.005UG0.0005ND. Model REF313 has a built-in automatic temperature compensation system. Compensation temperature range 10° C to 30° CREF304/314 Protein This model has three scales, Scale one is protein in serum, Scale two is urine specific gravity, Scale three is refractive index. Scale range: 0-12g/1000m 1.000 to 1.040sg1.3330-1.3600ND Minimum scale: 0.2g/dl0.005UG0.0005ND. Model REF314 has a built-in automatic temperature compensation system. Compensation temperature range 10° C to 30° C.