FNIRSI measuring instruments

FNIRSI is a prominent Chinese brand specializing in the design and production of affordable, portable electronic test and measurement instruments. The brand has gained international popularity among electronics hobbyists and engineers for its range of digital oscilloscopes, signal generators, USB testers, and component testers.

Founded in Shenzhen, the brand is wholly owned and operated by Shenzhen Fnirsi Technology Co., Ltd. All product development and manufacturing occur within China, specifically in the Shenzhen technology hub. The company maintains its own research and development teams to iterate on hardware and firmware, ensuring their tools remain competitive in the global enthusiast market.