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 |