Get current pricing for Oem, OEM-78928-ID Newvee Gee Pdx-2 Portable Digitial Refractometer. Measures Brix And Refractive Index. Brix Scale = 28.0 To 65.0% Range, 0.1% Resolution, +/- 0.1% A . Product Category: Lab Equipment, Sub Category: Refractometers: