Stumbled across this little gem last night. If your trying to read a very small current ( less than 100 mA take the wire your clamped around and run a second loop into the jaw. It doubles the current flow through the jaws.
Just tried it with a 3157 light bulb. It was drawing an impressive 45mA. Doubled the wire and 90. 4 loops showed 180mA. Too frickin cool.
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