This is the user manual for the Extech MA220 AC/DC clamp meter, covering safety, operation, and specifications.
The Extech MA220 is a professional AC/DC clamp meter designed to measure current, voltage, resistance, capacitance, frequency, duty cycle, temperature, diode, and continuity. It features a 4000-count LCD display, auto-ranging capability, and a 600V CAT III safety rating for use in fixed installations. This manual is written in Chinese.
| Current (AC/DC) | 400.0A |
|---|---|
| Voltage (AC/DC) | 600V |
| Frequency | 50.00KHz |
| Temperature Range | -50.0 to 400.0°C |
| Battery | 2 x 1.5V AAA |
| Weight | 200g |
| Safety Rating | CAT III 600V |
The maximum current measurement range is 400.0A.
Press and hold the Hold button for more than 2 seconds.
The instrument will emit a sound.
The instrument turns off automatically after 30 minutes of inactivity.