FNIRSI 2C23T 3 in 1 Handheld Oscilloscope Review I was stuck troubleshooting a glitchy circuit on my workbench, juggling a separate scope, multimeter, and signal generator. That’s when I grabbed the FNIRSI 2C23T 3 in 1 Handheld Oscilloscope Multimeter DDS Generator — a 2-channel device with a 10MHz bandwidth and 50MSa/s sampling rate that promised … Read more

FNIRSI HS-02B 100W Portable Soldering Iron Review I was tired of waiting forever for my old soldering iron to heat up, so I tried the FNIRSI HS-02B 100W Portable Corded Soldering Iron Kit. It claims to hit 212-842°F in just 2 seconds, which sounded like a dream for quick electronics fixes. This kit comes with … Read more

3 best FNIRSI Multimeter for home use I’ve spent a lot of time testing multimeters around my house — checking outlets, troubleshooting appliances, and building little electronics projects. If you’re looking for the best FNIRSI multimeter for home use, you want something accurate, easy to use, and reliable without breaking the bank. That’s exactly what … Read more

FNIRSI 2D15P 100MHz Oscilloscope Review I’ve been looking for a portable tool that could handle both oscilloscope and multimeter duties without cluttering my workspace. The FNIRSI 2D15P 100MHz Digital Oscilloscope Multimeter DDS Signal Generator 3 in 1 packs a 100 MHz bandwidth and 500 MS/s sampling into a single battery-powered unit. This device is really … Read more

5 best FNIRSI Multimeter for electronics repair If you repair electronics for a living or as a serious hobby, you already know the frustration of buying a meter that can’t catch glitchy signals or read small capacitors accurately. I’ve spent weeks testing FNIRSI’s lineup to find which models actually save you time on the bench … Read more

FNIRSI LCR-ST1 10KHz LCR Meter Tweezer Review I’ve spent more time than I’d like to admit digging through a pile of loose resistors and capacitors, trying to figure out if any of them are still good. The FNIRSI LCR-ST1 10KHz LCR Meter Tweezer promised to make that job a whole lot easier, so I grabbed … Read more

FNIRSI LCR-ST2 100kHz LCR ESR Meter Tweezer Review I was struggling to identify a tiny, unmarked SMD capacitor on a circuit board, and guessing wasn’t cutting it. So I grabbed the FNIRSI LCR-ST2 100kHz LCR ESR Meter Tweezer to finally get some answers with its 100 kHz full-range scan. This little tool is really for … Read more

3 best FNIRSI Multimeter for car audio If you’re tuning amps, chasing ground noise, or checking voltage drops in a car audio system, a solid multimeter is non-negotiable. I’ve spent time with three FNIRSI models that claim to handle everything from DC offset checks to frequency sweeps. The DMT-99’s 9999-count display and recording mode caught … Read more

FNIRSI FNB-C2 PD 3.1 USB C Tester Review Ever wonder if your fancy new USB-C charger is actually delivering the power it claims? I’ve been down that rabbit hole, and the FNIRSI FNB-C2 PD 3.1 USB C Tester is the tool I wish I had earlier. It handles up to 240W and uses a 20-bit … Read more

5 best FNIRSI Multimeter for hobbyists If you’re a hobbyist like me, you know the frustration of grabbing a multimeter that can’t keep up with your projects. You need accurate readings, solid build quality, and features that actually matter for electronics work, not just a cheap meter that lies to you. I’ve spent hours testing … Read more