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General| Communication Interface | RS-232 |
|---|---|
| Display | LCD |
| Power Source | AC 100-240V, 50/60Hz |
| Vertex Distance | 0-20 mm |
| Sphere | -20.00 to +20.00 D |
| Axis | 0 to 180° (in 1° steps) |
| Cross Cylinder | +/-0.25D |
| Measurement Range (sphere) | -20.00 to +20.00 D |
| Axis Measurement | 0-180° |
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