Keratometer - KM 390

Keratometer - KM 390


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Measure the Radius of cornea's curvature and diopter.

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● Dimension of Surveyor's Staff: 18 X 24mm
● Distance of Surveyor's Staff and Cornea: 175mm
● Total Mignification: 18X
● Objectives Mignification: 1.2X
● Eyepieces Mignification: 15X
● Curvature Radius: 5.5~11mm
● Diopter: 30~60D
● Least graduate: Radius: 0.02mm, Diopter:0.25D
● Refractive index: 1.3375
● Least Diameter of Measure: r=5.5mm:Φ1.65mm, r=7.5mm:Φ2.3mm, r=11mm:Φ4mm
● Astigmatism graduate Range: 0°~180°
● Astigmatism graduate Alternation: 5°
● Illumination Bulb: 6V20W Halogen Bulb
● Input Voltage: 220V/50HZ, 110V/60HZ
● Range of Rise or Drop of Slipway: 0~30mm
● Move Range of Slipway: Left and Right:100mm, Front and Back:90mm
● Fluctuate Move Range of Jaw Part: 80mm

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