Technical
data
53
EN 20_070_0009I v1.5
Ambient conditions for intended use and internal company storage
Operating temperature
Relative humidity Usage
elevation
+10 °C to +40 °C
30 % to 85 %, non-condensing
up to 3000 m above sea level
Note: We reserve the right to make changes to the design and scope of delivery within the framework
of technical development.
Ambient conditions for external transport and storage in original packaging
Storage/transportation temperature
Relative humidity
-10 °C to +70 °C
max. 95 % not condensing
Measurement ranges
Wavefront
Sphere effective range: -20 dpt to +20 dpt (3.5 mm pupils)
Sphere effective range: -15 dpt to +15 dpt (5.5 mm pupils)
Cylinder effective range: 0 dpt to +8dpt
Axis: 0° to 180°
Measurement surface: 2.0 mm to 7.0 mm (three zones)
Number of measurement points: up to 1,500 Recording time: 0.2s
Methods: Hartmann-Shack
Reference wavelength 1: 555 nm according to ISO 24157
Corneal topography
Number of rings: 22 (18 complete rings)
Number of measurement points: up to 3,425
Corneal area recorded at 42,125 dpt:
∅
0.75 mm to 9.4 mm
Diopters:
Measurement range 25 dpt to 65 dpt
1
Reference wavelength for interpreting refractive errors (corresponds to the maximum luminous efficiency curve
V
λ
of the eye of a test subject in daylight)
