The Grafton Digital PD Ruler is a precision optical instrument used to measure the distance between pupils. 


  • Easy operation and fast measure
  • Display the results of two eyes separately
  • Monocular measure is also available
  • Clear optical line and precise optical structure and measurement
  • Auto power off and memory function 
  • Voltage: 23A 12V


Grafton Digital PD Ruler


Show More

© Copyright Grafton Optical Company Ltd 2017, United Kingdom