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1).OEM, 2).customer logo accept, 3)good quality and good price, 4)fast repercussion - details see: https://www.machineto.com/digital-pd-meter-of-optical-10367694

Specifications:

PDmeter is a digital precision optical instrument used to measure distance between human pupils in the process of optometry.

Features:

1.It features consecutive measurement, direct point-sampling and high accuracy of orientation,with mechanical hairspring being used to level at the reflecting point of human cornea.

2.dopting line-shaped sensors of high definition,advanced intellectualized electronic systems and digital display which allow the testing results more visible.legible and accurate.

3.The design of LED lamp-house and low power-consumption makes the battery life prolonged.

4.The brightness of LED is adhustable.

5.+2.00D compensation for the degree of eyesight is available.

Main technical indexes:

Range of measurement	Binocular pupillary distance:45-82mm Left or right pupillary distance:22.5-41mm
Absolute indication error	less than or is 0.5mm
Absolute dissymmetrical error	less than or is 0.5mm
Absolute rounding error	less than or is 0.5mm
Distance of target	30cm- infinity
Power source	Voltage:DC3V Specification:5#AA vattery Quantity:2 pieces
Time for automatic shut-off	about 1 minute after stopping operation,or turn it off manually.
Size	221*166*63mm(L*W*H)
Weight	0.68 kgs

About us :

Wellful Optics Glasses Co.,LTD.

we are a leading manufacturer of fashion sunglasses and optical frames in china ,our factory located in Taizhou Zhejiang China ,covers 3000 square meters ,has more than 360 workers .every year we will develop many new styles .we have our experienced sales team .our products sales well all over the wold ,especially Australia Europe world .our products in middle and high grade the quality is good ,we can supply you CE FDA ISO etc certificates .

good quality+good prices+good services=good business

Contact information:

add::RM605-606,Yinhai Mansion,NO.1377 Chouzhou North Road,Yiwu City,Zhejiang Province,China

TELL:86-579-89891796 FAX:86-579-89891789 Mobile:15957940720

website:www.sunglasses-wellful.com

http://wellful.en.alibaba.com

you can call me directly .