Most CRT monitors have a built degaussing circuit and it comes on every time you turn on the monitor. It doesn't hurt anything and I haven't heard of any upper limit.
crt monitor situation used
CRT stands for Cathode Ray Monitor. These monitors have a glass screen.
It is cheaper than a LCD monitor.
The monitor was a 12" CRT.
It's a CRT which stands for Cathode Ray tube.
Advantages_and_disadvantages_of_crt_monitor
CRT Monitor
They are cheaper.
You can get them for free.
CRT
gandu
If you're think to put an ad for your CRT monitor for free, then you should consider listing it on your local Craig's List.