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LY-23C-5 LED Super thin 3M letter logarithmic Visual chart light box, EFP..
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Item#
LY-23C-5
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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: | EFP…letters, astigmatic chart, red/green balance 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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