Hand Refractometer
Hand Refractometer Erma Type Hand Sugar Refractometer ERMA Type model
Ranges Available:- 0 - 10% , 0 - 18% , (A) 0 - 32%, (B) 28 - 62% , (C) 58 - 92% , 0 - 55%, 45 - 82% , 0 - 80% , 0 - 90%.Hand Salinity Refractometer ERMA Type model
0 - 28% AND 0 - 100%. Hand refractometer model D, for urine, serum / protein, erma Type model : D , Refractometer for battery / coolants, ERMA Type model