"Bill" wrote

I have a Radio Shack "8-Range Multitester " (bought new in 1979) : AC/DC
Voltage .... 15V, 150V, 1000V
This is the same thing you are talking about, right?

There are better ones out there, but for home handyman use, that will do
just fine. I went to electronics school long time ago and used the old
vacuum tube models. Those things were heavy and hot. But digital
electronics have made these things available to everybody for a modest cost.