OM-4

                                 SPECIFICATIONS
  Type

 Sutcliff type

  Scales  

    Corneal radius of curvature

 5.5 to 12 mm 

         Minimum reading 

0.01 mm

    Corneal refractive power

 28.00 to 60.00 dptr.

         Minimum reading    

 0.125 dptr.

    Axis of corneal astigmatism

0° to  180° 

         Minimum reading

 1°

    Diopter adjusting scale

 0 to ±5 dptr.

  Power  

    Primary  

 AC 100V, 120V, 220V and 240V, with built-in Transformer 50/60 Hz. 

    Power consumption

30 W  

  Dimensions

 560 mm wide x 580 mm high x 460 mm deep

  Weight

  16 kgs