| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $76.70 | $75.14 | $72.79 | $69.66 | Contact US |
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Digital Pupil Distance Ruler PD Meter Pupil Distance Measuring Instrument
Description:
- Precision optical structure, the light path is clear, measuring accurately, according to measured data, and respectively show around.
- Easy to use, measurement speed is fast. From and cooperate with the adjustable knobs, suitable for different subjects of stadia.
- After the measurement with automatic shutdown and memory function, save electricity and data is not lost
- Can be left or right monocular measurements respectively.
Specifications:
- Range of measurement: 45-82mm, 22.5-40mm(Each)
- Display: Liquid crystal digital display
- Error absolute: <=0.5MM
- Fixation target: Green dot on illuminated background
- Focus range: 30cm to infinity
- Illumination: LED
- Automatical shut-off: after one minute of inactivity
- Power supply: AA batteries
- Size: 221*164*63mm
- Weight: 0.67kg
- Do not put in battery when charging
Package Included:
1 x Digital Pupil Distance Ruler (batteries are not included )
