Actually I feel silly now, it seems whenever my laptop power supply is plugged into the socket it causes the frequency to vary like a yoyo. Im not sure why it would cause this? its an apple charger. Maybe my power monitor plug is just faulty??
Actually I feel silly now, it seems whenever my laptop power supply is plugged into the socket it causes the frequency to vary like a yoyo. Im not sure why it would cause this? its an apple charger. Maybe my power monitor plug is just faulty??
Hi, on my mains I seem to be getting huge variations from the normal 50hz for several minutes at a time. It goes down to 48hz then back to 50-51hz and then will then jump from 51hz sometimes to 65hz but usually hover around 53-57hz for around 2 minutes at a time.
This happens fairly often, what...
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