CP-37C Near logarithmic vision acuity chart (Distance: 25cm & 30cm)
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CP-37C Near logarithmic vision acuity chart (Distance: 25cm & 30cm)
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$
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Item#
CP-37C
Abstract
Multi-function Near logarithmic or alphabet vision acuity chart,examining at 25cm & 30cm
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Description
Product brief introduction:
■ New multi-function near logarithmic vision acuity chart, and alphabet chart
■ Two sides for testing, one side test at 25 cm, the other side test at 30 cm
■ Fashion modeling,ultrathin design.
■ LED light source,energy conservation,power saving and long life.
■ Tow kind of LED brightness option.
Features:
■ Diversification test
1. Astigmatic fan dial
2. Cross cylinder
3. Cross grid
4. RG panal
■ LED source inside
■ Uniform illumination
■ No flicker, eye protection
■ Handheld, easier to use
■ Rechargeable lithium battery
■ More convenient to use
■ New multi-function near logarithmic vision acuity chart, and alphabet chart
■ Two sides for testing, one side test at 25 cm, the other side test at 30 cm
■ Fashion modeling,ultrathin design.
■ LED light source,energy conservation,power saving and long life.
■ Tow kind of LED brightness option.
Features:
■ Diversification test
1. Astigmatic fan dial
2. Cross cylinder
3. Cross grid
4. RG panal
■ LED source inside
■ Uniform illumination
■ No flicker, eye protection
■ Handheld, easier to use
■ Rechargeable lithium battery
■ More convenient to use
Instructions for using:
■ 25CM or 30CM distance from examinee when checking near vision.
■ It can be used separately or charging using.
■ In order to prolong using life,please power off the machine when unusing.
■ If there is dust on the machine,please use glasses cleaning cloth to wipe it.
■ Avoid sharp things scratch the surface.
| Specification: | |
| Average luminance of white background: | 80-320cm/m2 |
| Luminance uniformity of white backgound: | ≥0.85 |
| Input power: | AC220/50HZ |
| Output power: | 3.7v,800MA |
| Scope of application: | 25cm & 30cm near vision testing |
| Recording methods of vision: | Can arbitrarily choose LogMAR, decimals, fraction |
| Net Weight: | 0.45kg |
| Size: | Length(21.5cm)*width(12.5cm)*thickness(1.5cm) |
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