auto refractometer with keratometer ARK800

Specifications

1.Refractometer

Vetex Distance(vd)                      0.0,12.0,13.75mm

Sphere Power (SPH)                     -20.00+20.00D

                                      (In case of VD=12mm)

Cylinder Power(CYL)                  0.00±10.00D(0.12/0.25D Unit)

Axis(AX)                             1180°(1° Unit)

Cylinder Form                         -,+,MIX

Pupil Distance(PD)                   1080mm

Minimum Pupil Diameter               2.0mm

2.Keratometry

Radius of Curvature                   5.010.2mm(Increments:0.01mm)

Corneal Power                         33.0067.50D(when corner equivalent

                                      Refractive index is 1.337;0.05/0.12/0.25D unit)

                                      (Increments selectable from 0.12,0.25D)

Corneal astigmatism                   0.0-15.00D

(Increments selectable from 0.12,0.25D)

Axis                                  1180°(Increments:1°)

Corneal Diameter                      2.014.0mm(Increments:0.1mm)

Memory of Data                        10 measurde value for each right and left eye

Internal Printer                      Uses thermal line printer

Monitor                               5.7-inch color TFT LCD monitor

3.Environmental requirements :

 Operation                           Temperature:+10 to +35

                                     Humidity:30 to 75 RH

                                     Atmospheric pressure:8001060 hPa

 Storage                             Temperature:-10 to +55

                                     Humidity:30 to 75 RH

                                     Atmospheric pressure:7001060 hPa

Transportation                       Temperature:+40 to +70

                                     Humidity:10 to 95 RH

                                     Atmospheric pressure:5001060 hPa

Power supply                         AC100-240v,50/60Hz

Power consumption                    Approximately 100VA

Size                                 484(L)×282(W)×440(H)mm

Weight                               Approximately  17kg

auto refractometer with keratometer ARK800