RMK700 Auto Ref-Keratometer is designed for measuring the refractive index of any substance which results in both temperature compensated and non-temperature compensated formats. It is integrated with a unique rotary prism technology, which allows for unparalleled precision and reliability. It is highly capable of measuring a wider area of the retina. Offered RMK700 Auto Ref-Keratometer is equipped with a bright and wide color screen panel to control all the main functions. :: Technical Parameter :: Vertex Distance: 0.0mm,12.00mm,13.5mm,15.00mm Spherical Degree: -20.00D~20.00D,(VD=12mm，step：0.12D/0.25D) Cylinder Degree: -10.00D~+10.00D(step：0.12D/0.25D) Axial: 1°~180°(step1°) Cylinder Symbol: -，+，MIX The degree of arming turning: 90° Minimum Pupil Diameter: 2.0mm Radius of curvature: 6.5mm~9.4mm(step：0.02mm) Printer: Thermal Printer Monitors: 6.4inch of TFT monitors Power supply: AC220V,50Hz Power: 75VA Product Size: 506L x 269Wx 477H（mm） Package Size: 720L x 480Wx 720H（mm） Weight: About 21 Kg Auto Refractometer RM-700