Zeiss VISUREF 100 User Manual page 69

Measurement precision in accordance with ISO 10342
Refraction, sphere
Refraction, cylinder
Refraction, cylinder axis
Measurement precision in accordance with ISO 10343
Keratometry, corneal radius
Keratometry, axis
for radial difference in
main sections ≤ 0.3 mm
for radial difference in
main sections > 0.3 mm
Ambient conditions for intended use
Temperature
Relative humidity
Air pressure
Shock (without packaging)
Ambient conditions for storage
Temperature
Relative humidity
Air pressure
Shock
Oscillations (sine curve)

The device may not be stored in the following conditions:
• In dusty environments
• In the vicinity of salt or sulfur
• Exposed to vibration or shock
• In the vicinity of flammable vapors and liquids
• In direct sunlight
Ambient conditions for transport
Temperature
Relative humidity
Air pressure
Shock
Oscillations (sine curve)
better than ±0.25 D
better than ±0.25 D
better than ±5°
better than ±0.05 mm
better than ±4°
better than ±2°
+10 °C to +40 °C
30 % to 90 %
70 kPa to 106 kPa
10 g/6 ms
-10 °C to +55 °C
10 % to 95 %
50 kPa to 106 kPa
30 g/6 ms (permanent shock: 10 g/6 ms)
10 Hz to 500 Hz, 0.5 g
-40 °C to +70 °C
10 % to 95 %
50 kPa to 106 kPa
30 g/6 ms (permanent shock: 10 g/6 ms)
10 Hz to 500 Hz, 0.5 g
Technical data
000000-2006-367-GA-GB-151116
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