JW3223 Red Light Meter (JW3223C)

Shanghai Joinwit Optoelectronic Technology Co., Ltd. was established in 1998, specializing in the development of optoelectronic testing instruments. The company has passed ISO9001 quality system certification, 14001 environmental system certification, and Shanghai High-tech Enterprise certification, and has obtained multiple technical patents and scientific achievements in the field of optoelectronic testing. The company's main products include light sources, optical power meters, fiber identifiers, optical talk sets, variable optical attenuators, OTDRs, insertion return loss testers, polarization extinction ratio testers, laser aging test systems, fiber optic sensing coil test systems, multi-channel comprehensive testers and other optoelectronic testing/monitoring equipment. Products are widely used in the construction and maintenance of optical communication and optical sensing networks, production of optical components/equipment, etc. Some products are exported overseas, and have won the trust of customers at home and abroad with reliable quality and professional services. After years of practice and innovation, the company has accumulated a large number of professional technologies and mature solutions in light source control, optical power detection, polarization state control/analysis, optoelectronic testing system integration, etc. While providing standardized products, it can also provide personalized product customization, cooperative development and other services according to customer needs. Shanghai Joinwit is located at No. 168, Huancheng North Road, Fengxian District, Shanghai, with offices in Shenzhen, Wuhan and Chengdu. We warmly welcome domestic and foreign customers to visit and guide, discuss cooperation, and create new opportunities in the industry.