PD meter for eye measurement
· Digital PD Ruler/Meter · It is a digital precision optical instrument used to measure distance· It employs precise optical structure, the line of light is very clear and precise · Separate measurement for left or right eye is available Electric...
Gulden's Digital PD Ruler R button measures right eye, L button measures left eye No button measures distance from betweenth eyes. Very accurate and responsive digital display Automatic shutoff when place on level surfac
Digital PD meter PD320B
The digital PD ruler is used for testing the distance the pupil of eyes during optometry and fitting for glass. It uses direct sampling-point and extremely accurate aligning.Highly sensitive line-sensor and intellight system allow objective and...
Integrated package PD built-in 532nm 20mW green laser diode
Place of Origin: Liaoning, China (Mainland) Brand Name: Elaser Model Number: 532PD20 Type: Laser Diode Package Type: Integrated Package Wavelength: 532nm Texture: Copper or Red Copper Housing Package: TO-18 Operating Temperature: -20degree ~...
Yuself's Digital PD Ruler R button measures right eye, L button measures left eye No button measures distance from betweenth eyes. Very accurate and responsive digital display Automatic shutoff when place on level surface.
HE-710digital PD ruler
1.The function of digital PD ruler is close to the PD that we need when we wear the glasses . 2.HE-710 digital PD ruler also can measure the PD of the left & right separately besides combining them. 3.Use conveniently ,when set in level, it will...
Qidong Lanzuan Diamond Products Co.,ltd