Epson EB-X21 Specifications download pdf (Page 73)

F. No. 60/U-6/RPC/SSK/12-13

Portable Autorefractometer – 01 No.

Light Weight, hand held

Measurement Range S -18D to +23D C 0 to - 12D, 0 to +12D Axis: 1° to 180°

Increments Auto/0.25D selectable Axis: 1°

Measurement Area 2.5mm

-Consistency Value 10 points

-Reaching Distance 10.9 inch. (278mm)

-Working Distance 2 inch. (50mm) from cover glass

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