The brand new 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
