| Measuring device: |
|
| Camera |
Custom designed digital CCD camera with synchronous pixel sampling |
| Light source |
Custom designed blue LED’s (475 nm, UV free) |
| Processor |
Ultra fast DSP with 400 million operations per second |
Speed
|
50 scans in two seconds with approx. 500 true elevation points per scan and surface |
| Measurement range |
3 to 38 mm (corneal radius) 9 to 99 D (refractive power) |
| Accuracy |
±0.2 D |
| Reproducibility |
±0.2 D |
| Working distance |
80 mm |
| Number of data points evaluated |
25,000 (max.) |
| Dimensions (HxDxW) |
53 x 36 x 28 cm (21.1 x 14.2 x 11 inches) |
| Weight |
9 kg (19.5 pounds) |
| Power requirements: |
|
| Mains |
100 - 240V AC, 50 - 60Hz |
| Power consumption |
60W |
| Fuses |
Integrated over current switch |
| Type of protection against electric shock |
Class I, type B |
| Degree of protection against damaging ration of water |
IP20 |
| Compliance |
Medical Device Directive (MDD) 93/42/EEC, IEC 601 |
| Classification |
Class IIb according MDD |
| Operating conditions: |
|
| Temperature |
+10°C to +40°C (+50°F to +104°F) |
| Relative humidity |
30% to 75%, not condensing |
| Air pressure |
700hPa to 1060hPa |
| Transport and storage conditions (acc. to IEC 601-1): |
|
| Ambient temperature |
-40°C to +70°C (-40°F to +158°F) |
| Relative humidity |
10% to 100% including condensation |
| Air pressure |
500hPa to 1060hPa |
| Minimum notebook requirements: |
|
| CPU |
Pentium Intel Centrino 1.4 GHz or Intel Pentium Celeron 2.4 GHz |
| Operating system |
Windows XP |
| On-board memory |
512 MB RAM |
| Graphic card |
ATI Radeon 9200 SE, 128 MB |
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