Auto Refractometer AR-800

Measured more quikly because the Technology of Built-in Micro process and quick graphic process. Quick measurement for diopter of MIN.pupil size. New design of colorful sreen(5.7" TFT LCD). Auto fog chart. Pupil distance auto measured available. Choice for vertex distance. SPECIFICATIONGS MEASURING RANGE:SPHERICAL -20----- +20D(VD=12)0.12Dsteps CYLINDER -8 --------- +8D 0.12Dsteps AXIS 0-------180,1 steps PUPIL DISTANCE:45-------85mm,1mm steps VERTEX DISTANCE:0mm,12mm,13.75mm MIN.PUPIL SIZE: 2.0mm CHART: AUTO FOG DISPLAY: 5.7"TFT LCD PRINTER: THERMAL PRINTER POWER SUPPLY: 100----120v/200-----240v,50/60Hz DIMENSIONGS: 484(L)X282(w)X440(H)mm*mm*mm WEIGHT: about 20kg(44lb)