Auto Refractometer with Keratometer AR-400

Specifications AR-400 Refractometer with keratometer Refractometry Vertex Distance (VD) 0.0,10.0,12.0,13.5,15.0mm Sphere Power (SPH) -20.00 +20.00D (at the vertex distance of 12mm) (Increments selectable between 0.12D and 0.25D) Cylinder Power (CYL) 0.00 +10.00 D (Increments selectable between 0.12Dand 0.25D) Axis (AX) 1 180° (Increments: 1°) Cylinder Form -, +, MIX Pupil Distance (PD) 10 85mm Minimum Pupil Diameter 2.0mm Keratometry Radius of Curvature 5.0 10.2mm (Increments: 0.01mm) Corneal Power 33.00 67.50D (Increments selectable between 0.12D and 0.25D) Corneal astigmatism 0.00 -15.00D (Increments selectable between 0.12D and 0.25D) Axis 1 180° (Increments: 1°) Corneal Diameter 2.0 12.0 mm (Increments: 0.1mm) Memory of Data 10 measured value for each right and left eye Internal Printer Uses thermal line printer Monitor 5.6-inch color TFT LCD monitor Environmental requirements: Operation Temperature: + 10 to + 40°C Humidity: 30 to 85% RH Storage and Transportation Temperature: - 10 to + 55°C Humidity: 10 to 95% RH Power supply AC220V, 50Hz Size 280(W) × 475(D) ×475(H)mm Weight Approximately 26kg Free present