autorefractometru tomey tr 4000

Sphere Power:-20 D -+20 D
   Cylinder Power: -8D -+8D
   Cylinder Axis: 0 - 180 degrees
   PD: 50 - 86 mm
   Corneal Curvature: 5.5 - 10 mm (33.75 - 61.36 D)
  
  Working Distance: 60 mm
  Unit Increments
  
   Power: 0.12, 0.25 D
   Axis:1 degree
  
  Measurement Time: 0.03 seconds
  Minimum Pupil Diameter: 2.5 mm
  Measurement Display : Real time display of SPH, CYL and AXIS values.
  Output: Built-in thermal printer/RS-232C
  Patient Target: Landscape
  Display: 5" monochrome CRT
  Focusing System: Target on CRT Display
  Accommodation relaxation method : Auto fogging
  Joystick Range :
  Forward/back: 40 mm (1.6 inches)
  Left/right: 86 mm (3.4 inches)
  Up/down: 30 mm (1.2 inches)
  Weight: 18 kg (40 lbs)
  Dimensions:
  307 mm (w) x 470 mm (d) x 470 mm (h)
  12 in. (w) x 18.5 in. (d) x 18.5 in. (h)
  Power: AC 100 V to 240 V, 50/60Hz, 65VA