CP-37C Near logarithmic vision acuity chart
Product Name:
CP-37C Near logarithmic vision acuity chartModel No.:
CP-37CMinimum Order:
1
Product Abstract:
Multi-function Near logarithmic or alphabet vision acuity chart,test at 25cm & 30cm
- Product 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 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) 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. 
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Contact Us
Contact:
Mr. Li YiyangTel:
+86 15001978117Fax:
+86-21-50301363E-mail:
jiahe@jhoptical.com-
