FNIRSI

If you’re a technician or engineer who needs precise component measurements on the bench, you already know a cheap multimeter won’t cut it. I’ve been testing FNIRSI’s latest LCR meters to find which one actually delivers professional-grade results without the lab-equipment price tag. I picked these three based on real-world testing criteria: measurement accuracy at … Read more

3 best FNIRSI LCR Meter for portable use If you work on electronics away from your bench, you know the struggle of lugging heavy gear. I wanted a portable LCR meter that didn’t sacrifice accuracy, so I put three FNIRSI models through real-world testing. The LC1020E’s 100kHz test frequency and 19,999-count display caught my eye … Read more

You press the power button on your FNIRSI multimeter, but nothing happens. You hold it down for two seconds, and it turns on. This long-press feature is a deliberate design choice that protects your meter from accidental power-ups in your toolbox. This safety measure prevents the battery from draining when the device gets jostled during … Read more

7 best FNIRSI Multimeter for motor testing If you’re diagnosing motors—whether it’s checking winding resistance, hunting for a bad start capacitor, or looking at PWM signals—you need a tool that can handle both electrical and waveform testing. I’ve spent time with these 7 FNIRSI multimeters specifically for motor testing, and the key specs like bandwidth … Read more

3 best FNIRSI Multimeter for inverter testing If you’re troubleshooting or setting up an inverter, you need a multimeter that can handle AC/DC voltage, frequency, and the occasional surge. I’ve tested three FNIRSI models specifically for this job, and the DMT-99’s 9999-count TRMS accuracy and recording mode make it my top pick for tracking inverter … Read more

3 best FNIRSI Multimeter for field service If you’re a field service tech, you know the pain of carrying a multimeter, an oscilloscope, and a signal generator separately. It’s heavy, cluttered, and eats up space in your tool bag. I’ve been there, and that’s why I looked for the best FNIRSI multimeter for field service … Read more

9 best FNIRSI Multimeter for RC hobby If you’re into RC hobby work, you know a basic multimeter just doesn’t cut it. You need to diagnose ESC glitches, check servo signals, and trace noisy BEC lines fast. That’s why I dug into nine FNIRSI models to find the ones that actually help you fix your … Read more

3 best FNIRSI Multimeter for USB testing If you’ve ever struggled to figure out why your phone charges slowly or if a cable is actually delivering the power it claims, a USB tester is the tool you need. I’ve spent time with three FNIRSI models designed specifically for USB testing, covering voltage from 4V up … Read more

9 best FNIRSI Multimeter portable handheld I’ve spent countless hours troubleshooting circuits, and I know the struggle of juggling a multimeter, an oscilloscope, and a signal generator on a cluttered bench. You need one device that does it all without sacrificing accuracy or portability. That’s exactly why I dug into the best FNIRSI multimeter portable … Read more

3 best FNIRSI Multimeter for DIY projects If you’re elbow-deep in a DIY project, you need a multimeter that won’t lie to you or die halfway through. I’ve tested a pile of them, and these three FNIRSI models stand out for their accuracy, 9999-count resolution, and real-world features that actually help you finish the job. … Read more