These oscilliscopes are usually just junk but this one seems decent and sells for just $80. https://www.banggood.com/DSO112A-Up...tm_campaign=MarcoReps&utm_content=huangwenjie
I have one of these:
It is quite a bit larger and for just a quick check, it seems too much of a bother to lug it around. May opt to get this little guy.
I have one of these:
It is quite a bit larger and for just a quick check, it seems too much of a bother to lug it around. May opt to get this little guy.