This is very compact and designed for measuring the diameter of finished zone in petri dish for determining the strength of antibiotic materials
Unit made of stainless steel 316L in GMP Model
This antibiotic zone reader measure the diameter of the inhibited zone within the range of 0to 35mm with accuracy of 0.2mm
The light from inside source of the base passes up through the transparent and semitransparent of the agar then to a refracting mirror situated in an arm above the unit
The mirror reflects the light to a glass prism mounted at the magnified image of the zone of in habitations is clearly visible on the prism