Refractometer Master-20alpha ,Each

Details:

Hand-held refractometer, type master-20alpha^ brix 0.0-20.0%, Accuracy /- brix 0.2%, Min. Scale 0.1%, Water resistant (except for eyepiece), automatic temperature compensation (atc) 10-30 c, automatic sample distribution (asd), zero setting w/distilled water, all new design. New model