La description

Details: This device is applicable to all-level measurement testing departments, spectacles manufacturers, spectacles retail stores, hospital's department of ophthalmology and optical elements factories for conducting measurement of spherical lens diopter of spectacles or lens, diopter of cylindrical lens, astigmatism axis of cylindrical lens, diopter of bifocal lens, prism degree, prism basal angle and diopter of cornea contact lens. Specifications: 1、Range of diopter measurement: 0～±*5D 2、Space of readings: 0.*1D, 0.*6D, 0.*2D, 0.*5D 3、Astigmatism axis of cylindrical lens: 0～**0° Space of readings: 1° 4、Prism degree: Model A 0～5â–³ Space of readings: 0.5â–³; Model * B 0～*0â–³ Space of readings: 0～5△：0.5 △；5～*0△：1â–³ 5、Prism basal angle: 0～**0°Space of readings: 1°, **0°ï½ž**0°Space of readings: 5° 6、Size of measured lens: Φ*6～Φ**0mm 7、Lamp of illumination: *2 V / *0W, halogen lamp 8、Voltage: **0V or **0V / *0 Hz 9、Power: *5W *0、Overall dimensions: **5mm(L)×**5mm (W)× **5mm(H) *1、Weight: *0 kg *2、Temperature: 5～*5 ℃ (in operation) －*0～*0 ℃ (in storage / during transport) *3、Humidity: *0～*5% (in operation) *0～*5% (in storage / during transport )