joe smith | My Extech EX540 Turns Five Years Old @joesmith-je3tq | Uploaded September 2017 | Updated October 2024, 5 days ago.
My Extech meter was just retuned from it's annual calibration. It has never been aligned. In this video we see how it compares with some of my home equipment.
My Extech meter was just retuned from it's annual calibration. It has never been aligned. In this video we see how it compares with some of my home equipment.