
Redefining affordable test equipment, lowering the barrier to entry with a range of modern, compact tools. By packing powerful features into budget-friendly gear, FNIRSI make electronic diagnostics accessible to hobbyists, educators, and technicians alike.
Best known for their multi-functional handheld devices, FNIRSI often combines several tools—such as a Digital Oscilloscope, Signal Generator, and Transistor Tester—into a single unit. This "3-in-1" philosophy helps you save valuable space on your bench and in your bag, without sacrificing the essential capabilities needed to debug your projects.
Beyond diagnostics, their range includes intelligent Soldering Irons (like the popular HS-02 series), USB testers, and power supplies, all designed with a focus on usability and portability. Whether you are setting up your first home electronics lab or need a portable troubleshooting kit, FNIRSI offers the right balance of performance and price.
If you have questions about which FNIRSI tool is right for your workflow, please get in touch with us!
Perform portable diagnostics with this robust 3-in-1 oscilloscope, multimeter, and signal generator.
Solder anywhere with this 100W PD-compatible smart iron. This bundle contains 6 tips, a robust metal toolbox and all of the quality-of-life essentials in a soldering setup in a portable package.
Diagnose circuits away from the bench. This portable dual-channel oscilloscope features a 100MHz bandwidth, a responsive 7-inch capacitive touch display, and a 6000mAh battery for extended field testing.
Convert your USB-C PD adapter into a variable bench supply. This compact unit can deliver up to 150W (30V/5A) of regulated power.
Identify signal noise and intermittent faults instantly. This 10,000-count True RMS tool combines standard multimeter functions with real-time waveform visualisation for currents up to 600A.
Diagnose power delivery issues and verify cable resistance. This high-precision analyser features real-time waveform monitoring and supports modern protocols, including PD3.0 and QC3.0 for comprehensive diagnostics.
Analyse electronic waveforms and inject test signals anywhere without being tethered to a workbench. Combining a 10 MHz digital oscilloscope and a 50 kHz signal generator into a highly portable battery-powered unit.
Diagnose network infrastructure and isolate cable faults instantly, even in high-noise environments. This combines advanced anti-interference line tracking, PoE detection, and precise length measurement into one compact diagnostic tool.
Identify and measure surface-mount components with the FNIRSI LCR-ST1 Smart Tweezers. This handheld unit combines precision gold-plated probes with a 10kHz LCR meter for rapid, accurate in-circuit troubleshooting of resistors, capacitors, and other common components.
Visualise transient signals and log data with precision using the FNIRSI DMT-99 Digital Multimeter. This 10,000-count True RMS tool features a 2.4-inch colour TFT display and real-time curve plotting for advanced circuit diagnostics and monitoring.
Streamline your bench diagnostics by combining an oscilloscope, component tester, and signal generator into one handheld unit. The FNIRSI DSO-TC3 features a 10MSa/s sample rate and automated transistor identification for rapid troubleshooting of electronics projects.
Perform precision repairs anywhere. This bundle features dual USB-C/DC power inputs for rapid heating and includes six interchangeable tips for versatile soldering.
Achieve station-grade thermal recovery in the field. It features a massive 100W PD power output and a convenient case for storage.
Record 4K video and 36MP images in total darkness at distances up to 300 metres. This features an active 850nm infrared illuminator and 6x electronic zoom for continuous nocturnal observation.
Streamline your circuit diagnostics without the need for manual dial or tinkering with measurement modes. Level up your toolkit with this modern take on the multimeter.
Diagnose power delivery and verify fast charging standards. Featuring a 16-bit ADC and bi-directional ports, it accurately monitors voltage curves and current flow up to 24V and 6.5A.
Instantly capture precise spatial dimensions and map project layouts directly to your smartphone. Delivering millimetre accuracy over a 40-metre range with seamless Bluetooth app integration.
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