I was reading another blog these two items were covered in his blog and I wanted to put the same stuff here. What are a Hams best tools… probably the number one tool is the Multi-meter or VOM. We use it for almost anything and everything in checking “continuity” to “resistance”. I think we would be essentially lost with out one. I have several since I forget where I leave them sometimes and I am working in several places. I carry one in the RV, one in the shop and another in my “electronic” tool chest… I found this video and it shows a lot of what the multi-meter is used for and some of the methods:
One thing that is newer than the VOM