{"product_id":"fnirsi-fnb58-usb-tester-4-28v-7a-lcd-multimeter-with-app-pd2-0-pd3-0-qc2-0-qc3-0-fast-charge-protocols","title":"FNIRSI FNB58 USB Tester 4-28V 7A — LCD Multimeter with App, PD2.0\/PD3.0, QC2.0\/QC3.0 \u0026 Fast Charge Protocols","description":"\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe FNIRSI FNB58 USB Tester is a compact, multi port power meter designed to help you verify charging behavior across USB A, Micro B, and Type C connections. Its crisp 2.0 inch TFT LCD presents clear numbers in any lighting, making it easy to capture data on the go and compare charging scenarios side by side.\u003c\/p\u003e\n\u003cp\u003eDesigned for real world testing, the FNB58 pairs precision electronics with a practical app experience. A high resolution 16‑bit ADC and a dedicated PD protocol chip enable accurate readings and smooth data presentation. The device can monitor voltage, current, power, resistance, capacity, and D+\/D- voltages, while also delivering ripple and waveform visuals that reveal power stability in a single glance.\u003c\/p\u003e\n\n\u003ch3\u003eWhat it measures and how it helps\u003c\/h3\u003e\n\u003cp\u003e Six digit display of voltage, current and power gives you precise numbers. Ten switchable capacity presets let you compare multiple tests quickly. The tester supports low‑speed to high‑speed waveform capture and ripple visualization, with sampling rates up to four million samples per second, enabling detailed power analysis.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSix digit voltage, current and power readout\u003c\/li\u003e\n\u003cli\u003eTen capacity presets for fast comparisons\u003c\/li\u003e\n\u003cli\u003eWaveform capture and ripple plotting up to 4 MSPS\u003c\/li\u003e\n\u003cli\u003eOnboard temperature reading and startup time recording\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFast charge protocol detection\u003c\/h3\u003e\n\u003cp\u003eAutomatic monitoring covers a broad set of standards. It supports QC 2.0 and 3.0, FCP, SCP, AFC, PD 2.0 and 3.0, VOOC and WARP, plus Super VOOC triggers. When a protocol isn’t supported, the device can default to a safe 5 V output to continue basic measurement.\u003c\/p\u003e\n\n\u003ch3\u003eWhat you can test with it\u003c\/h3\u003e\n\u003cp\u003eUse the tester to explore charger and cable performance, observe how voltage and current behave under load, and compare devices for stability. Built‑in E‑Marker cable reading and DASH cable data reading add transparency to data, while the app enables convenient logging and analysis.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTest chargers and cables for charging efficiency\u003c\/li\u003e\n\u003cli\u003eVerify wire and connector performance with resistance readings\u003c\/li\u003e\n\u003cli\u003eLog data over time to spot trends in power delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to use and notes\u003c\/h3\u003e\n\u003cp\u003eIn keeping with environmental goals, the manual is accessed via a QR code in the packaging. Activate the PD function switch, select the correct input port, and choose a compatible protocol. If a protocol is not supported, the tester may default to 5 V output.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the FNIRSI FNB58 USB Tester measure?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Voltage, current, power, capacity, resistance, ripple, and protocol status via app software.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which charging standards are detected by the FNB58?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: QC 2.0\/3.0, PD 2.0\/3.0, AFC, VOOC, and other protocols with automatic monitoring.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"FNIRSI","offers":[{"title":"Default Title","offer_id":47469546012846,"sku":"B0BJ253W31","price":128.11,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/6012\/9710\/files\/fnirsi-fnb58-full-display-readout_jpg.jpg?v=1770417329","url":"https:\/\/handyskook.ca\/products\/fnirsi-fnb58-usb-tester-4-28v-7a-lcd-multimeter-with-app-pd2-0-pd3-0-qc2-0-qc3-0-fast-charge-protocols","provider":"HandySkook","version":"1.0","type":"link"}