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Digital Refractometer
Captive Purity Refractometer
mil_dig_ref_887Milwaukee Digital Refractometer Model MA887. The MA887 refractometer is an optical device that is simple and quick to use and provides highest accuracy possible for the measurement of seawater 3 specific scales, practical salinity units (PSU), parts per thousand (PPT), and specific gravity (S.G.). Samples are measured after a simple user calibration with distilled or deionized water. Stainless steel sample well. Measures in 1.5 seconds. Automatic Temperature Compensation (ATC) between 50 to 104degF. Auto-off. Range:1.000 to 1.114. Resolution: 0.001. accuracy: 0.002 specific gravity. 9 volt battery included.