中En

3D視力表


人氣:1546


 

Test distance

5m when the installing distance is 80cm, 4.8m when the installing distance is 60cm

Installing distance

80cm or 60cm

Test chart

Visual acuity test chart for visual acuiy 0.03 - 2.0 and visual function test chart

Chart display

Charts of one horizontal line, one vertical line, one character, R&G, reversed B&W are displayed. Contrast can be changed.

Luminance

80 - 320cd/m2  (from the vertex of the patient to the chart window of the instrument)

Contrast

85% or more

Dimensions

440mm (W) × 339mm (D) × 1,330mm (H)

Weight

19.5kg

Electric rating

Power supply voltage : AC 100-240V
Frequency : 50-60Hz
Power supply input : 50VA