📺Ultimate Tweezer LCR Meter? FNIRSI LCR-ST2 Tested!📦

In this video, we unbox, compare, and deeply test the FNIRSI LCR-ST2 Smart Tweezer LCR/ESR Meter — a compact yet powerful 3-in-1 tester designed for electronics hobbyists, DIY projects, repair technicians, institutes, and industry use. From Kelvin probe measurements to sorting components, firmware upgrades, and handling tiny 0402 SMDs, this video covers everything you need to know before buying. 🔍 What’s Covered in This Video ✅ Unboxing & first impressions ✅ Comparison with FNIRSI ST1 ✅ Design, layout & build quality ✅ Kelvin probe usage & tip replacement ✅ Power-on, UI & interface walkthrough ✅ Firmware upgrade process ✅ LCR measurements & waveform view ✅ Accuracy testing with reference components ✅ Voltage, continuity & diode testing ✅ Smart scan & sorting mode ✅ Handling very small SMD components ✅ Final verdict – who should buy it? ⚙️ FNIRSI LCR-ST2 Key Specifications 🔹 Measurement Functions: L, C, R, ESR, Diode, Continuity, Voltage 🔹 Test Frequencies: 100 Hz / 1 kHz / 10 kHz / 100 kHz 🔹 Voltage Measurement: up to ±30 V DC 🔹 Measurement Method: True Kelvin (4-wire) 🔹 Display: High-resolution color screen with auto-rotation 🔹 Smart Features: Auto recognition, scan mode, sorting mode 🔹 Firmware: User-upgradable 🔹 Power: USB-C rechargeable battery 🔹 Form Factor: Compact tweezer + probe hybrid 🔹 Best For: Repair labs, production testing, DIY, institutes 🔗 Purchase Links 🛒 Official FNIRSI Store: 👉 https://www.fnirsi.com/products/lcr-s... (Using this link helps support the channel 🙏) 🏁 Final Thoughts Whether you’re repairing PCBs, sorting components for production, or working with tiny SMDs, the FNIRSI LCR-ST2 offers speed, accuracy, and convenience in a compact form factor — making it a solid choice for professionals and enthusiasts alike. 👍 Like | Comment | Subscribe 🔔 Turn on notifications for more electronics tool reviews & deep testing videos 📌 Hashtags #FNIRSI #LCRMeter #ESRTester #TweezerLCR #ElectronicsTools #DIYElectronics #RepairTools #PCBRepair #SMDTesting #Engineering 🎥 Recording Gear 📷 Camera: Sony Alpha A6600 & Sony ZV-E10 🎤 Audio: Rode VideoMic Pro+ / Zoom H5 (SSH-6) 💻 Editing: VEGAS Pro 365 🖥️ Laptop: ZenBook Pro Duo 🎥 Tripod: Harison Bahubali 📩 Business Inquiries 📧 [email protected] 🌐 Follow BCD Tech 🌍 Website: https://www.bcdtech.in 🐦 Twitter:   / bcd_tech   📘 Facebook:   / bcdtech.in   🕒 Chapters (YouTube Timestamps) 00:01:02 – 📦 Unboxing 00:01:51 – 🔁 Comparison with ST1 00:02:24 – 🎨 Look & Design 00:04:07 – 🧪 Kelvin Probe Basics 00:04:47 – 🔧 Tip Replacement 00:06:23 – 🔌 Turn ON & Interface 00:11:53 – ⬆️ Firmware Upgrade 00:13:16 – 📐 Measuring LCR 00:15:38 – 🎯 Accuracy Testing 00:18:05 – 🧪 Measuring using Kelvin Probes 00:24:36 – 📊 Measurement Waveform 00:26:07 – ⚡ Measuring Voltages 00:28:12 – 🗂️ Sorting Components 00:30:14 – 🔔 Continuity Test 00:31:04 – 🤏 Grabbing Tiny SMDs 00:31:31 – ✅ Conclusions & Verdict © 2026 BCD Tech — All rights reserved.