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Digital Pupillometer could measure PD, LD (cornea-lens distance) and PH, 3 functions in 1.

Specifications:

1) Range of measurement: a) Binocular: 46 - 82mm b) Monocular: 23mm - 41mm

2) PH: 12-28mm

3) LD: 6-20mm

4)Working distance-measuring grades: 30cm to infinity

5) Indication error: ≤0.5mm

6) Asymmetry error: ≤0.5mm

7) Rounding error: ≤0.5mm

8) Automatic shut-off: 2 minutes without using

9) Power source: DC 3V (2 pieces AA batteries)

10) Overall dimensions: 220x 160x 60mm

11) Weight: 600g

12) with breath shield