This document is a product manual for the ET310A digital storage oscilloscope, which introduces the innovative feature combination and user-friendly design of the product, as well as the safety precautions before use. The manual also provides detailed operation instructions, including oscilloscope operation and multimeter operation.
This manual introduces the ET310A digital storage multimeter/oscilloscope, covering safety precautions, key features, button functions and basic operation. It explains how to switch between oscilloscope and multimeter modes, perform measurements, and use automatic functions such as auto‑measurement and data storage.
Further sections detail system settings, zero‑calibration, technical specifications, daily maintenance, fault troubleshooting, and after‑sales service. The document also includes warranty information, fuse replacement procedures, and instructions for battery care. This manual is written in Chinese.
| Display | 128×128 dot matrix FSTN LCD |
|---|---|
| Sampling Rate | 50 Msps |
| Analog Bandwidth | 10 MHz |
| Input Resistance | ≈10 MΩ |
| Battery | 1000 mAh Li‑polymer (auto‑off 5–60 min) |
| Storage Capacity | 100 DMM records, 100 DSO waveforms |
| Power Supply | 110‑250 V AC, 7.5 V/500 mA adapter |
Press and hold the power key for more than 2 seconds to turn the instrument on; press and hold again for more than 2 seconds to turn it off.