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PD meter (optical instrument)

PD meter (optical instrument)
  • Product Detials:

    PD meter (optical instrument)


    Features

    PD Meter is a digital precision optical instrument used to measure distance between human This device is designed in a scientific and reasonable way, integrating technologies on optics,
    The corner reflection light coincidence method is used. This operates by aligning luminous point on the pupils with measuring line. Results are displayed digitally. measurements are given: right, right+left, left. Results are accurate to within 0.25mm. Measurements can be made for a single eye or for both eyes. Possible to measure PD of focusing-point distances ranging from 30cm to infinity. Automatically switches OFF one minute after operation is completed, thus conserving power. Distances from tops of the corner to lenses or frames can also be measured .

    Specification
    Data show range two eyes PD: 44~83mm
    Left-right PD: 22~41.5mm Effective measure range two eyes PD: 45~82mm
    Left-right PD: 22.5~41mm Indication error ≤0.5mm
    Rounding error ≤0.5mm
    Target distance 30cm~∞
    Power supply voltage: DC 6V Specification: 5#AA battery Quantity: 4
    Automatic shut-off 1minute after operation stops
    Instrument size 212mmL×158mmW×58mmH
    Net weight 0.6kgs

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Contact Info
Company： Langfang Far East Prosperous Optical Instrument Co.,Ltd
Area： China/Hebei
Contact： Ms. Natalia(Marketing Depa
Tel： 86-316-6067201
Fax： 86-316-6067206
Web site： www.bjoptics.com
Add： Xinyuan Road Langfang Development Zone, Langfang, Hebei, China
Zip： 065001

Supplier's information
   Langfang Far East Prosperous Optical Instrument Co.,Ltd

     Langfang Far East Prosperous Optical Instrument Co., Ltd., lies in Hebei Langfang economic and ..... more >>

Contact： Ms. Natalia(Marketing Depa 

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