Fnirsi

Fnirsi Welcome to FNIRSI. Break the Norm, Technology Within Reach. Discover more: www.fnirsi.com

We craft innovative tools for testing, measuring, and understanding electronics
— empowering engineers, technicians, and makers around the world.

18/06/2026

Still carrying three separate tools to the job site? 🔧

The FNIRSI TMP-610S is a full multimeter, oscilloscope, and signal generator
in one handheld device — and it syncs live to your phone.

60,000-count True RMS, 10MHz waveform capture, 13 signal waveforms.
Actually useful for real troubleshooting, not just basic volt checks.

🌐 Office: https://fnirsi.top/4uH9ul
10% OFF! 🔥 code: TMP10

Save this if you're building your next electronics toolkit. 👇
Follow for more tool drops like this.

18/06/2026

That messy waveform on your bench PSU? Probably not all noise.

Here's how to measure power supply ripple properly — AC coupling,
ground spring, and the 20MHz bandwidth limit that actually matters.

One setting change. Way cleaner trace. Same signal.

👇 Curious how this works on your bench?
Check the details on the following
🌐 Office: https://fnirsi.top/4e1jUaj
$45 OFF! 🔥 code: DPOF45

Save this if you're doing any DC rail testing. 🔖

17/06/2026

Most people think oscilloscopes are too complicated. They're not.

One button. Signal locked. Waveform on screen.
Works on hobby circuits, RC repairs, classroom projects — wherever you need it.

👇 Curious how this works on your bench?
Check the details on the following
🌐 Office: https://fnirsi.top/4emVrLA
🛒 Amazon: https://fnirsi.top/46H4Jzd

This is the one I actually carry around. Fits in a jacket pocket.

💾 Save this if you're into electronics tools.

16/06/2026

Most repair techs have never touched an oscilloscope. That ends today.

This little thing replaced my multimeter, scope, AND signal generator.
One device. Real-time waveforms. Fits in your pocket.

👇 Curious how this works on your bench?
Check the details on the following
🌐 Office: https://fnirsi.top/4uwigT0
$18.24 OFF! 🔥 code: 53T18
🛒 Amazon: https://fnirsi.top/49c4pbC

If you work on electronics — save this. You'll use it.
Follow for more tools that actually make sense.

15/06/2026

Still staring at your multimeter dial like it’s a foreign language? 🧐 Unlock every symbol on the FNIRSI DST-201, from that AC squiggle to the high-current ports. This 3-in-1 powerhouse makes electronics repair a breeze once you know the code.

Save this for your next project so you’re never confused again!
What symbol always trips you up? 👇

👇 Curious how this works on your bench?
Check the details on the following
🌐 Office: https://fnirsi.top/4e9EAwV
$10 OFF! 🔥 code: DST10
🛒 Amazon: https://fnirsi.top/46o7ML9

13/06/2026

I cut a battery and tested it with the FNIRSI HRM-10.
Even after visible damage, we check if it still outputs voltage and stable resistance.

👇 Curious how this works on your bench?
Check the details on the following
🌐 Office: https://fnirsi.top/4vwNha4
$7.81 OFF! 🔥 code: HRM10781
🛒 Amazon: https://fnirsi.top/4gJO9Sy

12/06/2026

Stop binning those dead power supplies! 🔌 Here is the ultimate 60-second cheat sheet for your next board repair. Whether you're a weekend tinkerer or a total newbie, these 5 steps using the FNIRSI 2D15P will save your gear (and your wallet). 🛠️✨
(Note: Always discharge capacitors before testing!)

👇 Curious how this works on your bench?
Check the details on the following
🌐 Office: https://fnirsi.top/4e4ld78
$15 OFF! 🔥 code: 2D15P15
🛒 Amazon: https://fnirsi.top/4963BX5

Save this for your workbench and Follow for more pro hacks!

11/06/2026

Still rocking that clunky old meter? It’s time to move to the pro table. 🛠️ The FNIRSI 2C53P isn't just a tool—it’s a 3-in-1 laboratory that fits in your hand. We packed a 50MHz dual-channel scope, a 19999-count multimeter, and a signal generator into one sleek touch-screen tablet.Perfect for field repairs when you need lab-grade precision without the heavy gear.

👇 Curious how this works on your bench?
Check the details on the following
🌐 Office: https://fnirsi.top/4e4l2Zw
$20.69 OFF! 🔥 code: 53P109
🛒 Amazon: https://fnirsi.top/4p1gQhp

Save this for your next gear haul and Follow for more workbench upgrades! ✨

10/06/2026

Most people stare at this screen and have no idea what they're looking at.

Horizontal = time. Vertical = voltage. The wave IS the signal.
Every shape — sine, square, spike — is your circuit talking.

👇 Curious how this works on your bench?
Check the details on the following
🌐 Office: https://fnirsi.top/4dMKILe
$15 OFF! 🔥 code: 2D15P15
🛒 Amazon: https://fnirsi.top/4963BX5

This 3-in-1 unit reads it all: oscilloscope, multimeter, signal generator.
Save this if you're just getting into electronics. 🔖

09/06/2026

Why lug around a heavy scope when you can fit a pro lab in your pocket? 🛠️ This 3-in-1 beast combines a 50MHz oscilloscope, a precision multimeter, and a signal generator into one compact device. It’s a total game-changer for field repairs or just keeping your workbench clutter-free. ⚡️

👇 Curious how this works on your bench?
Check the details on the following
🌐 Office: https://fnirsi.top/4fLBNef
$18.24 OFF! 🔥 code: 53T18
🛒 Amazon: https://fnirsi.top/49c4pbC

Save this for your next project! 💾 Follow for more pro-level gear tips.

Address

61-65 Chatham Road South, Flat/Rm S239, 2/F, The Capital
Shenzhen
999077

Telephone

+8619125396241

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