Nidek Medical LM-7, Руководство оператора

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97
6
SPECIFICATIONS AND TECHNICAL
INFORMATION
6.1 Specifications
Measurement items
• Spherical power (spectacle
lenses)
-25.00 to +25.00 D, 0.01/ 0.06/ 0.12/ 0.25 D increments
Measurement range (D) Accuracy (D)
< 0
≥ -5
> 0
≤ +5
±0.06
< -5
≥ -10
> +5
≤ +10
±0.09
< -10
≥ -15
> +10
≤ +15
±0.12
< -15
≥ -20
> +15
≤ +20
±0.18
< -20 > +20 ±0.25
• Spherical power (contact lenses) -25.00 to +25.00 D (BC = 6.00 to 9.00), 0.01/ 0.06/ 0.12/ 0.25 D incre-
ments
• Cylindrical power 0.00 to ±10.00 D (-, +/-, +), 0.01/ 0.06/ 0.12/ 0.25 D increments
• Cylinder axis 0° to 180°, 1° increments
• Addition power +0.4 to +10.00 D (first add, second add), 0.01/ 0.06/ 0.12/ 0.25 D
increments
• Prism power 0.00 to 20.00 ∆ , 0.01/ 0.06/ 0.12/ 0.25 ∆ increments
Measurement range ( ∆ ) Accuracy ( ∆ )
> 0
≤ 5
0.1
> 5
≤ 10
0.2
> 10
≤ 15
0.3
> 15
≤ 20
0.4
• Prism measurement Polar coordinates ( ∆ , θ ), Rectangular coordinates (Base in/out, Base
up/down)
• UV transmittance 0 to 100%: Transmittance of central wavelength 365 nm (UV-A). 1%/
5% increments
• Light source wavelength 538 nm (green), 365 nm (during UV transmittance measurement)
1707141668223 承認済
Uncontrolled copy when printed.