Antibiotic Zone Reader Medical & Lab Equipment Devices. Antibiotic Zone Reader provides a rapid accurate method for determining the strength of antibiotic materials by measuring the diameter of an inhibited zone in petri dish. Measures the diameter of the inhibited zone to 0.02 mm with the range of 0 to 35 mm.Work on 230 volts A. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical & Lab Equipment, Devices\Other Medical & Lab Equipment". The seller is "goyalscientific" and is located in this country: IN.