Extech Instruments EX840A Quick Start Manual page 7

1000 a true rms ac/dc clamp meter with ir thermometer

MEASURING CURRENT WITH THE CLAMP

WARNING

Disconnect the test leads before making clamp measurements.

1. Rotate the function switch to the A AC or DC position.

2. Press the trigger to open jaw. Fully enclose only one conductor.

3. Read the current value on the display.

#NAS100187; r. AE/96736/98047; en-US

Table of Contents

Need help?

Do you have a question about the EX840A and is the answer not in the manual?