Continuously monitor/log power quality from AC outlet. What method is cheap and effective?

[GammaGlobulin]

Due to recent and ongoing problems with AC power instability, I need to monitor the power quality and voltage stability, INSTANTANEOUSLY, and save the log to a computer file, either through a USB interface, or via a WIFI connection to PC or Android Phone.

 

What is the low-cost solution.

 

There is no way I will spend thousands of USD to by a Fluke, for example, just to record this data, in order to present the data to the local power supplier in my area.

 

One of the problems with the local power provider is that without hard data they will often state that the problem is wiring in the house, and not the quality of the power supplied to the outside meter.

 

Or, they might send a technician to check the outside meter, and then state that the meter is operating nominally.

 

I have heard of QUTY for example:

 

 

https://github.com/thuehn/PowQuty?tab=readme-ov-file

 

 

But is there an easier solution.

 

Of course, I am not willing to buy one of these:

 

 

 

But, I want to record power data instantaneously, so that I can record very short power interruptions.

 

 

 

Here is what I need to accomplish:

 

 

 

And/OR:  Can I request that the local power company provide the equipment for a two-week monitoring and logging of voltage fluctuations?

 

During some weeks, the UPS units I use will begin emitting alarms many times a day, and at odd hours when the power interrupts for one second or less.

Not easy to sleep when one is getting UPS alarms at 3AM, then 3:30AM, 4:05AM, and so on.

 

What is needed is a very accurate log of these events to present to the local power supplier.

Objective Empirical Data is the only way to approach this problem.

Otherwise, it's sort of BLAME THE VICTIM.....at least from my experience.

 

So, what is the solution to this problem, one which I am sure that many are experiencing, as well.