POROMETISTO UT01C USB Tester | 3.3-30V, 0-12A, PD/QC/Ripple Analysis

Overview

The POROMETISTO UT01C USB Tester is a compact tool designed for engineers, technicians, and enthusiasts who regularly work with USB‑C devices. It delivers real‑time readings for voltage (3.3–30 V), current (0–12 A), and power up to 240 W, all shown on a vivid color IPS display. Temperature data accompanies the electrical readings, giving you a fuller picture of performance under load. It’s crafted to offer actionable insights without requiring guesswork, and it supports pass‑through testing so you can keep your workflow uninterrupted.

What it measures

• Real‑time DC voltage (3.3–30 V) and current (0–12 A) with automatic range switching
• Power up to 240 W and energy tracking for quick performance checks
• Temperature monitoring to spot drift during tests
• Battery capacity statistics in mAh and energy in Wh via the built‑in tester
• Ripple analysis to observe power quality across a connected load
• Current direction indication and protocol auto‑testing support

Protocol support and testing capabilities

The UT01C fully engages with a broad range of fast‑charging protocols and gear simulations. It supports PD 2.0/3.0/3.1 (including AVS/EPR), QC 2.0/3.0/4.0+, PPS, and BC1.2. The device also enables features like PDO/QC gear spoofing, E‑marker simulation, and private protocol triggering, helping you explore how different chargers and cables respond under various conditions.

Data, analysis, and visualization

Equipped with a high‑frequency sampling system and multi‑mode graphing, the UT01C captures dynamic voltage and current changes with clarity. You’ll find curve plotting, ripple measurement, and protocol auto‑testing alongside real‑time spectrum display. This combination supports power quality analysis and troubleshooting in everyday test projects, from bench setups to field work.

Design, usability, and versatility

The unit features a vibrant color IPS display with orientation rotation for comfortable viewing. It includes pass‑through mode, shortcut keys, brightness and screen saver controls, and a language selection option. Advanced features like data I/O voltage display and protocol combination testing enhance its adaptability for engineers, technicians, and electronics hobbyists. It also makes a thoughtful gift for colleagues and friends who build or repair USB‑C devices.

Real‑world scenarios

• Evaluating charging cables and power banks for performance under load
• Characterizing USB‑C devices and adapters in a lab or workshop
• On‑site testing of charging setups during maintenance or field service
• R&D work where protocol behavior and power quality matter