This user guide covers the safe operation, features, and usage instructions for the Extech EX520 True RMS Auto-ranging Multimeter.
The Extech EX520 is a rugged, auto-ranging multimeter designed for heavy-duty applications. It measures AC/DC voltage, current, resistance, capacitance, frequency (electrical and electronic), diode test, continuity, and thermocouple temperature.
This manual provides detailed safety warnings, including input protection limits and precautions for high-voltage measurements. It also explains how to use the controller buttons, LCD display symbols, and various measurement functions such as DC/AC voltage, current, resistance, and frequency. This manual is written in Chinese.
The maximum input value is 1000VDC/AC.