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Sper Scientific 300005 Clinical Refractometer
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Sper Scientific 300005 Clinical Refractometer.
Measures urine specific gravity, or gives the refractive index in seconds by placing a drop or two of a sample on the prism and reading the results. Works in ambient light so no need for batteries.
Measures urine specific gravity, or gives the refractive index in seconds by placing a drop or two of a sample on the prism and reading the results. Works in ambient light so no need for batteries.



















