Home > Optometry Instrument > Visual chart light box > 3M Vision Chart Light Box > LY-23C-2 LED 3M Number visual chart light box

LY-23C-2 LED 3M Number visual chart light box

  • LY-23C-2 LED 3M Number visual chart light box
  • JH-35 LED 3M EFP different letter visual chart light box

Product Abstract:

Size:60*30*1.3cm| Standard: 3M | Frame: Aluminium alloy | Weight: 1kg


Product Description

 

Product Abstract:
This visual chart light box is made of high quality raw materials, all aspects of its performance are far beyond the traditional visual chart light box.
Features: 
■ Brightness is uniformity, light soft and comfortable
■ The charts are not easy to wear, and can maintain a long-term clear;
■ DC light source, light stability;
■ Long life, portable, energy-saving and so on.

 

Specification:
Type of chart: astigmatic chart,numbers,red and green chart
Frame material: Aluminium alloy
Light source: LED
Distance of testing: 3m
Decimal record: 0.1~2.0
5 point record: from 4.0 to 5.3
Record of vision: five points record,decimal record,fraction record
Size: 60*30*1.3cm
Net weight: 1kg/pc
Gross weight(1pc) 1.7kg
Packing size(1pc): 69*36*7.5cm
Gross weight(5pcs): 9.4kg
Packing size(5pcs): 72*38*40cm
Standard power: 12W
LED color temperature: 6400k
Initial light effect(Im/W): 80
Energy consumption: 1 grade

 

 

 

 

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