Analogue Refractometer KERN ORA 2PA

Analog refractometer ORA 2PA (Scales: Refractive index, Urine (spec. gravity), Serum proteine | Measuring Range: 1,3330 nD - 1,3600 nD, 1,000 sgU - 1,050 sgU, 0 g/dl - 12 g/dl | Division: 0,0005 nD, 0,002 sgU, 0,2 g/dl) Refractive index measurement for laboratories and the industry