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Description:
Featuring consecutive measurement, direct point-sampling and high accuracy of orientation, with mechanical hairspring being leveled at the reflecting point of human cornea.
Using high-definition line-shaped sensor, advanced intellectualized electronic system and digital display to make testing result more visible, legible and accurate.
LED light source and low power consumption make battery life prolonged.
+2.00D eyesight compensation
Accuracy self-check function
VD measurement function
Many technology and design patentsMAIN TECHNICAL INDEXES
Specification:
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Range of measurement： |
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Binocular pupillary distance: |
45～82 mm |
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Left or right pupillary distance: |
22.5～41 mm |
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Indication error： |
≤0.5 mm |
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Rounding error： |
≤0.5 mm |
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Distance of target： |
30 cm～∞ |
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Power source： Voltage： |
DC 3V,2 pieces AA battery |
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Time for automatic shut-off： |
About 1 minute after stopping operation, or turn it off manually. |
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Size： |
233mm(L)×165mm(W)×70mm(H) |
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8、Weight： |
0.68kg |
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