Optometry Instruments-6V DC PD Meter (PD-20)
| Place of Origin: | Zhejiang |
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Company Profile
| Location: | China (Mainland) |
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| Business Type: | Manufacturer |
Product Detail
| Model No.: | PD-20 |
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Product Description
Optometry Instruments-6V DC PD Meter (PD-20)
· Method of measurement: Cornea reflection light coincidence method
· Range of measurement: 48 to 77MM (both eyes), 24 to 38.5MM (each eye)
· Graduations: 0.5MM
· Range of focusing point: 30 cm∞
· Electric Voltage: 6V DC (Lr03 batteries X4)