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.

29/05/2026

Still getting messy or inaccurate readings on your oscilloscope? 📉 Master these 5 essential fixes—from matching probe attenuation to the 5X bandwidth rule—to ensure pro-level accuracy in every measurement. Whether you're debugging a PCB or testing automotive sensors, these tips will protect your equipment and your sanity. 🛠️⚡️

👇 Curious how this works on your bench?
Check the details on the following
🌐 Office: https://fnirsi.top/3R9DSGT
$45 OFF! 🔥 code: DPOF45

Save this guide for your next bench session and Follow for more pro electronics hacks! 💾✨

28/05/2026

Stop getting false readings! 🛑 Most people clamp all wires at once, but that’s for leakage detection, not working current.

Learn the correct way to measure AC/DC current using the FNIRSI DMC-100. This 10,000-count True RMS meter makes DC accuracy easy with its 'Data Zeroing' function, ensuring you never miss a precise reading during home diagnostics or car repairs.

👇 Curious how this works on your bench?
Check the details on the following
🌐 Office: https://fnirsi.top/4997CK7
$15 OFF! 🔥 code: DMC11
🛒 Amazon: https://fnirsi.top/43H70bO

Save this guide for your next project and follow for more pro electrical tips! 🛠️⚡

🎉 FNIRSI IS TURNING 10! 🎉For the past decade, we’ve committed to making professional measuring instruments accessible to...
28/05/2026

🎉 FNIRSI IS TURNING 10! 🎉

For the past decade, we’ve committed to making professional measuring instruments accessible to engineers, makers, and geeks worldwide. None of this would be possible without your trust and feedback.

Let’s celebrate with the biggest deal of the season!
👇 👇 👇
🔥 SPECIAL 10TH ANNIVERSARY OFFER: GET 12% OFF ANY ORDER! 🔥

🎫 Promo Code: FN10ANN
⏰ Limited Time Only: Active until May 31, 2026, 23:59 PDT

✅ Stackable Savings: Combine this code with current store discounts to maximize your budget!
✅ Global Shipping: Upgrading your lab has never been easier.

🛒 Shop the Anniversary Sale Now: https://fnirsi.top/4vdogk8

What’s your favorite FNIRSI tool on your bench? Let us know in the comments! 👇

27/05/2026

Stop guessing your circuit issues! 🧐
Here is exactly how to safely check crystal oscillators, test mains power, and read clean switching supply waveforms like a pro. Perfect for anyone troubleshooting electronics at home.

👇 Curious how this works on your bench?
Check the details on the following
🌐 Office: https://fnirsi.top/4wzgiU9
$40 OFF! 🔥 code: 350P40
🛒 Amazon: https://fnirsi.top/3KzWso0

💾 SAVE this for your next bench project, and drop a comment on what component we should test next!

26/05/2026

Signal keeps jumping off your screen? 🧐 Learn how to master the 3 essential trigger modes on your oscilloscope to lock in waveforms with precision. Whether you need a continuous live view in Auto, or need to catch a one-time startup glitch in Single mode, this workflow ensures you never miss a critical detail during circuit debugging.

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

Save this guide for your next lab session and Follow for more pro electronics hacks! 💾⚡️

25/05/2026

Is your home actually as safe as you think? 🏠 We used this EMF detector to scan the house and the spikes near the router were shocking! 😱 It’s a game-changer for anyone wanting to protect their family from invisible radiation.

👇 Curious how this works on your bench?
Check the details on the following
🌐 Office: https://fnirsi.top/4ue0Gnu
$20 OFF! 🔥 code: ERD20

Save this for your next home safety check! ❤️ Have you ever wondered how much radiation your gadgets give off? Let’s chat in the comments! 👇

24/05/2026

Think your DC power supply is actually delivering the exact voltage you set? 🧐
We put this pocket setup to a strict accuracy test from 5V all the way up to 30V to see if the real-time output holds up. If you're tired of buggy circuits and dead microcontrollers, precise voltage control is a must-have for your bench.

👇 Curious how this works on your bench?
Check the details on the following
🌐 Office: https://fnirsi.top/4uf2JYp
$15 OFF! 🔥 code: DPS1515
🛒 Amazon: https://fnirsi.top/4737f2U

💾 Save this Reel for your next electronics project, and drop a comment if your current power supply passes the test!

23/05/2026

Still struggling with ghost sensors or blank screens? 🛠️
Master I2C protocol decoding to skip the guesswork and pinpoint communication errors in seconds. Whether you are debugging an Arduino project or repairing a complex circuit board, this 4-step trick on your oscilloscope changes the game.

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

💾 Save this Reel for your next bench project, and comment below what protocol we should decode next!

22/05/2026

Stop wrestling with notebooks while measuring wires! 🛑
The DMC-100 stores up to 30 groups of data instantly, so you can focus on the job, not memorizing numbers. Perfect for tracking current trends in complex panels or vehicle overhauls with its full-color data curves. ⚡️

👇 Curious how this works on your bench?
Check the details on the following
🌐 Office: https://fnirsi.top/42BTepV
$15 OFF! 🔥 code: DMC11
🛒 Amazon: https://fnirsi.top/43H70bO

Save this for your next electrical project! Follow for more pro tool tips. 🛠️

21/05/2026

Tired of a messy workbench with bulky gear? 🛠️ This pocket-sized 3-in-1 oscilloscope replaces your old bench scope, signal generator, and transistor tester. It’s a total game changer for fast on-site repairs and identifying random components from scrap boards in seconds.

👇 Curious how this works on your bench?
Check the details on the following
🌐 Office: https://fnirsi.top/4nwitnk
$17 OFF! 🔥 code: DTC417
🛒 Amazon: https://fnirsi.top/46SXxju

Save this for your next electronics project! ✨ Follow for more pro repair hacks! 🙌

Address

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

Telephone

+8619125396241

Website

https://s.click.aliexpress.com/e/_c3CAJbMH, https://fnirsi.top/Amazon_US_Stor

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