This manual describes how to use the Extech Model 380942 DC/AC Clamp Meter, including the meter's features, safety precautions, and operating procedures
The Extech Model 380942 is a fully tested and calibrated DC/AC clamp meter designed to provide reliable service. It features a Hall effect sensor for current measurement, True RMS capability for voltage and current, and includes advanced functions such as relative measurements, data hold, and min/max readings.
| Display | 3-3/4 digit (4000 count) LCD with 40 segment bargraph |
|---|---|
| Functions | ACA, DCA, ACV, DCV |
| Current sensor type | Hall effect sensor type |
| Battery | Two 1.5V AA batteries |
| Operating conditions | -10°C to 50°C (4°F to 122°F); < 85% Relative Humidity |
| Weight | 190g (6.2 oz.) including battery |
| Jaw opening | 23mm (0.9") |
Press the ZERO key to zero the display, then subsequent readings will be displayed with respect to that zeroed reading.
Press the Data Hold key to freeze the reading; press it again to release the function.
The meter will automatically turn off after 30 minutes of operation to extend battery life.