Beijing Delfa has many inspection equipments…..

Spectrophotometer L950 (PerkinElmer)

 It can measure from UV to NIR, transmission and large reflection(UAR). Wavelength is from 175-3300nm.

Infrared spectrometer Spetrum 2 (PerkinElmer)

It can measure transmission and reflection. Wavelength is from 1.8 to 18 micron.

Spectrophotometer UV1800 from (SHIMADZU)

It can measure from UV to NIR, transmission and reflection. Wavelength is from 190-1100nm.

 German TRIOPTICS OptiCentric 101 Basic M Center Deviation and Focal Length Measuring Instrument

Beijing DELFA is equipped with a German-imported Trioptics center deviation and focal length measurement instrument. It measures the center deviation and focal length of lenses using both transmission and reflection methods. The measurable focal length range of the products extends up to ±500mm.

TRIOPTICS PrismMaster 300 precision goniometer

This instrument is used for measuring the angles of prisms, polygonal optics, wedges, windows, and other flat optical components. It offers a full measurement range of 0°to 360°for any optical prism angle, with an angular measurement accuracy of 0.5 arcseconds.

Laser interferometer (Fujinon)

The center wavelength 635nm semiconductor laser is the light source of the interferometer, which can measure the surface accuracy below dia.30mm for plane surface or spherical surface. The precision is λ/20.

Digital wavefront laser interferometer

This laser interferometer is used for testing surface accuracy of products, and the test diameter could up to 120mm and precision is λ/20 on standard surface. 

ZIP video measuring system (OGP)

This video measuring system is perfect for testing critical dimensions of product.

Profile Projector (Mitutoyo)

Beijing Delfa has Mitutoys’s instrument to test center thickness and other precision dimensional measuring instruments, which measuring accuracy is up to 0.001mm.

Digital wavefront laser interferometer

The center wavelength 633nm semiconductor laser is the light source of the interferometer, which can measure the surface accuracy below dia.60mm for plane surface or spherical surface. The precision is λ/20.

Quality Assurance- ISO 9001:2015

Beijing Delfa has? an ?ISO 9001:2015 Certificate & ?Quality?Control Policy in place to maintain and serve our customers. We have specialized testing?and inspection?equipment in-house allowing us to keep an excellent quality control.

Quality Assurance System

--Our quality system is based on AQL 1.0 or 0.65.    

--Inspection is performed at predetermined points throughout the manufacturing process.       

--We make a form for statistical techniques we use for process control to check.

--We have a calibration system three month one time for all instruments used in final measurements of parts.

--We provide testing reports as evidence of conformance.

--We use soft packages to assure that product is not damaged in shipment.