FNIRSI focuses on innovative electronic test equipment, offering a broad lineup of digital oscilloscopes, multimeters, signal generators, soldering tools, USB testers, spot welders, and power supplies. Flagship products such as the DPOS350P 4-in-1 350MHz oscilloscope, TDM-610S 3-in-1 multimeter with Bluetooth app monitoring, SWM-20 1200A dual-pulse spot welder, and IPS3608 AC-DC power supply reflect a multifunction, portable approach to measurement and workshop tasks. Organized around categories including Multifunction Devices, Digital Oscilloscopes, Electrical Testing, Signal Analysis, and Soldering & Assembly, FNIRSI aims to serve both professionals and hobbyists with practical, capable tools.
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Engineered Advantage
Why Choose FNIRSI
Innovative electronic test equipment engineered for real-world use
01
Multifunction Instruments
All-in-one devices like the DPOS350P 4-in-1 oscilloscope and TDM-610S 3-in-1 multimeter combine multiple test tools in a single unit.
02
High-Performance Measurement
Wide bandwidth up to 350MHz, 1GSa/s sampling, and 60,000-count TRMS accuracy for demanding signal and electrical testing.
03
Portable & Practical Design
IPS touchscreens, built-in batteries, USB-C power, and Bluetooth app monitoring make FNIRSI tools ready for lab, field, and DIY work.
04
Broad Product Range
From oscilloscopes and multimeters to soldering irons, spot welders, and power supplies—covering electrical testing, signal analysis, and soldering & assembly.
About FNIRSI
Instruments Built for Real Work
Innovative Electronic Test Equipment for Pros and Hobbyists
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