Visualization digital pd meter PD-400

Visualization digital pd meter PD-400 

•Break with the traditional way of measurement

• Built-in HD camera

• 4.3 inch LCD screen, more intuitive observation

• Built-in 3000mA rechargeable lithium battery, single charge for one week

• LED light source, measurement step adjustable

•With automatic calibration function

Effective measuring range. :Binocular pupil distance45mm~82mm.  

                                             Monocular pupil distance22.Smm~41mm

Measuring gear position:Switching from 30cm to infinity

Maximum allowable error of pupil distance indication :土0.5 mm

Maximum allowable error of left and right asymmetries :土0.5 mm

Size:230mm*l 70mm*65mm

Weight:0.8kg