New Design Optical Digital Pd Meter With Adjustable Pd&vd Mode

US $147.00

  • ???, ???, China
  • Mar 14th
Main technical indexes: 1. Range of measurement: Binocular pupillary distance: 45~82mm Left or right pupillary distance: 22.5~41mm 2. Absolute indication error: Less than 0.5mm 3. Absolute dissymmetrical error: Less than 0.5mm 4. Absolute rounding error: Less than 0.5mm 5. Distance of target: 30cm~infin. 6. Power source: Voltage: DC 3V 7.Specification: 5# AA battery 8. Time for automatic shut-off: About 1min after stopping operation, or turn it off manually 9. Size: 221mm(L)*166mm(W)*63mm(H)   Description           PD Meter is a digital precision optical instrument used to measure distance between human pupils in the process of optometry.   Features:   1. It features consecutive measurement, direct point-sampling and high accuracy of orientation, with mechanical hairspring being used to level at the reflecting point of human cornea. 2. Adopting line-shaped sensors of high definition, advanced intellectualized electronic systems and digital display which allow the testing results more visible, legible and accurate. 3. The design of LED lamp-house and low-power consumption makes the battery life prolonged. 4. The brightness of LED is adjustable. 5. +2.00D compensation for the degree of eyesight is available.      
Condition:
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...
Brand KOS

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