PD Meter -PD-IV

PD Meter -PD-IV

Mechanical Pupilometer：Quick measurement with continuous direct measurement and accurate alignment.

LED light source, adjustable lightness, auto shut-down time and adjustable step.

With VD measurement function.

Low power consumption

Available for +2.00D visibility compensation.

With self calibration function.

Effective measurement range	Binocular pupillary distance: 45mm ~ 82 mm
	Left or right pupillary distance: 22.5mm ~41 mm
Distance of target	30 cm ~ ∞, continuous
Max allowable error of PD indication	±0.5 mm
Max allowable error of asymmetry for left and right eye	±0.5 mm
Max degree interval	≤0.5mm
Categorized by electroshock protection degree	Type B application
Power supply	2×d.c.1.5V