optical digital PD meter ruler BL 57

Product Overview

Description

Digital PD ruler BL-57 

 

Feature

 

It is a digital precision optical instrument used to measure distance
between human pupils in the process of optometry for fitting spectacles.

Detailed Product Description:

1, 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.

2, Simple and rapid measuring operation, and free operation of the direct
PD adjustment lever are possible.

3, When the measuring operation is finished, the auto poweroff and memory
function,enable to save the power and not to lose the data.

4, It can also be used in monocular the left eye and right eye separately.

 

Specification 

 

Electric VoltagePower:23A 12V battery

Power:5W

Weight:0.2kg

Volume:21.5(L)x12.2(w)x44(H)cm

 

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