[RE-wrenches] Finding ground faults

[James Jarvis]

Yes. Look for 4-20mA loop clamp on meters. Fluke 77x series is an example:

http://www.fluke.com/Fluke/usen/Clamp-Meters/Fluke-771-Milliamp-Process-Clamp-Meter.htm?PID=69415

0 to 100mA with 1% accuracy worst case over the whole range.

-James Jarvis
APRS World, LLC

On 05/24/2012 12:49 AM, William Miller wrote:
> Mike:
>
> Is there such a tool as a DC clamp-on that can reliably measure 10 mA?
> My experience is any clamp meter is unreliable below 5A.