The ZLG USB protocol analyzer is a compact and portable USB protocol analyzer that supports USB1.1 full speed and low speed data collection and analysis. Supports PID or manual multi-trigger conditions. USB bus data automatically tracks to ensure data integrity; It also has USB bus error analysis and transmission data error analysis functions; arbitrarily define 1 to 99Mbyte acquisition capacity; Powerful search function, you can easily find error frames or specified data; USB protocol decoding function, data reading is easier; idle time statistics function, data transmission process is clear at a glance; complete data statistics function, bandwidth utilization is available at hand
The ZLG USB Analyzer is a compact, lightweight device that supports USB 1.1 and USB 2.0 interfaces with both full‑speed and low‑speed data capture. It offers multiple power options, PID‑based triggering, automatic synchronization, error analysis, and protocol decoding.
The manual explains system requirements, hardware connectors, software installation steps, menu functions, and usage notes such as LED status indicators and recommended USB cables. Detailed specifications and troubleshooting tips are also provided. This manual is written in Chinese.
| Data capture depth | 1–99 Mbyte |
|---|---|
| Capture speed | USB 1.1 Full Speed and Low Speed |
| Supported USB ports | USB 2.0 and USB 1.1 |
| External power supply | 6 V |
Run Setup.exe from the software folder on the CD; the program and drivers will be installed, then connect the analyzer.
It can be powered by an external 6 V supply or via the USB connection.