PRK-8000 Operation Manual
- 43 -
8.2 Specifications
Refractometry
Vertex Distance (VD) 0.0, 12.0, 13.5, 15.0 mm
Sphere Power (SPH) -30.00 ~ +25.00 D (at the vertex distance of 12 mm)
(Increments selectable between 0.12 and 0.25 D)
Cylinder Power (CYL) 0.00 ~ ±10.00 D
(Increments selectable between 0.12 and 0.25 D)
Axis (AX) 1 ~ 180˚ (Increments: 1˚)
Cylinder Form -, +, MIX
Minimum Pupil Diameter Ø 2.0 mm
Keratometry
Radius of Curvature 5.0 ~ 13.0 mm (Increments: 0.01 mm)
Corneal Power 25.96 ~ 67.50 D (n = 1.3375)
(Increments selectable from 0.05, 0.12, 0.25 D)
Corneal astigmatism 0.00 ~ -15.00 D
(Increments selectable from 0.05, 0.12, 0.25 D)
Axis 1 ~ 180˚ (Increments: 1˚)
Pupil Distance (PD) 10 ~ 88 mm
Corneal Diameter 2.0 ~ 14.0 mm (Increments: 0.1 mm)
Working range of auto-tracking
Up and down ±16mm
Working range of auto-shooting
Up and down ±0.13mm or less
Memory of Data 10 measured value for each right and left eye
Internal Printer Thermal line printer with Auto-Cutter function
Monitor 7-inch TFT LCD monitor (800x480 pixels, tiltable/swivel)
Environmental requirements
Operation
Temperature: +10 to +40℃
Humidity: 30 to 85% RH
Atmospheric pressure: 70 to 106 kPa
Storage and Transportation
Temperature: -10 to +55℃
Humidity: 10 to 95% RH
Atmospheric pressure: 50 to 106 kPa
Power supply AC100-240V, 50/60Hz
Power consumption 40 ~ 60 VA
Size
Approximately 260(W) × 500(D) × 450(H) mm
Weight Approximately 20kg