Product Description
GadgetWorkz PD Meter is a digital precision optical instrument used to measure distance
between human pupils in the process of optometry for fitting spectacles. It employs precise optical structure, the line of light is very clear and precise measurement. The measurement results are displayed digitally, and the left eye and right eye measuring values are displayed separately. When the measuring operation is finished, the auto power off and memory function, enable to save the power and not to lose the data. It can also be used in monocular the left eye and right eye separately. This unit will come with a manufacture 1 year warranty when purchase through GadgetWorkz.
Method of measurement: Cornea reflction light coidence method
Rang of measurement: 44 to 83mm(Both eyes),22 to 41.5mm(each eye)
Graduations 0.5mm
Range of focusing point: 30 to infinity
Power: 3*AAA Battery (Battery is not included)
