Home > Optometry Instrument > Visual chart light box > 2.5M visual chart light box > JH-25 2.5M Normal Children logarithmic visual chart light box

JH-25 2.5M Normal Children logarithmic visual chart light box

  • JHA-25 2.5M visual chart light box
  • JH-25 2.5M Normal Children logarithmic visual chart light box
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Product Abstract:

Size:62*28*10CM | Standard: 2.5M | Frame: Aluminium alloy | Weight: 3.5kg


Product Description

 

Specifications:
Black and white 2 colors
Size:620*280*100mm
Vision range:4.0~5.3(0.1~2.0)
Logarithmic vision chart
Convenient maintenance, just open box to check circuit or update the fluorescent tube.
Cabinet inside and outside adopt electrostatic spraying , beautiful and durable.
Chart board adopts organic glass plate, not easy to fade.
Choose fluorspar lamp as light source, configuration of electronic ballast, using voltage range is wide.
Use back shining method, solve the influence caused by a lack of natural light when testing far and near vision.

 

 

 

 

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