Reply to thread

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.

Message: <blockquote data-quote="ionbeam" data-source="post: 980957" data-attributes="member: 277"><p>TPI A250 $53.44 @ <a href="https://www.digikey.ca/scripts/dksearch/dksus.dll?vendor=0&keywords=tpi+a250" target="_blank">Digikey</a>.  I bench tested my A250 amp probe in an engineering test lab using a 5 1/2 digit bench DMM and it works quite good for what it is.  It is plenty good for automotive troubleshooting and household wiring.  My house was a barn ~120 years ago and when it was converted to a house the wiring and breaker box were evolutionary; the wire runs were not planned and breaker currents were not balanced.  The amp probe made it easy to check each breaker for loads and trace wires.   The 400 amp scale is good enough to let you monitor the cranking current of just about any car or truck.  It makes troubleshooting a starter problem a snap.</p></blockquote><p></p>