[Test-Equipment] "Event logging" T & M equipment?

[KA4INM]

> Data logging devices are commonplace now days. Many high-end multimeter have such a feature where you can plug the meter up to a power source and record levels over time.

> But I'm interested in recording out-of-bounds events such as spikes and sags in mains supply.

> This type of measurement is typically only found in power systems analyzers which are quite "$pendy".

> Anybody know of an event logger that is affordable?

   Most rent one for a few weeks when the need arrives, they are specially 
designed to catch infrequent events that simple loggers aren't designed to.
-- 
   Ron  KA4INM - Youvan's corollary:
                 Every action results in unwanted side effects.