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Technical data
000000-2227-967-GA-GB-281021
114
Measurement precision in accordance with ISO 10342
Refraction, sphere (±0 D, ±5 D, ±10 D)
± 0.25 D
Refraction, sphere (±15 D)
± 0.5 D
Refraction, cylinder
± 0.25 D
Refraction, cylinder axis
±5°
Measurement precision in accordance with ISO 10343, Type B
Keratometry, corneal radius
Keratometry, axis
for radial difference in main sections ≤
0.3 mm
for radial difference in main sections > 0.3 mm
±0.05 mm
±4°
±2°
Ambient conditions for intended use
Temperature
Relative humidity
Atmospheric pressure:
Shock (without packaging)
+10 °C to +40°C
30 % to 90 %
70 kPa to 106 kPa
10 g/6 ms
Ambient conditions for storage and transport
Temperature
Relative humidity
Atmospheric pressure:
Shock:
Oscillations (sine curve):
-40 °C to +70 °C
10 % to 95 %
50 kPa to 106 kPa
30 g/6 ms (permanent shock: 10 g/6 ms)
10Hz to 500Hz, 0.5 g
The device may not be stored in the following conditions:
•
In dusty environment
•
In the vicinity of salt or sulphur
•
Exposed to vibration or shock
•
In the vicinity of flammable vapors and liquids
•
In direct sunlight
Summary of Contents for VISUREF 150
Page 1: ...ZEISS VISUREF 150 Autorefractor Keratometer Documentation set...
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Page 5: ...ZEISS VISUREF 150 Autorefractor Keratometer User manual...
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