Products > Test Equipment
Need Power Outage Recorder
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floobydust:
I've rented Dranetz for proving that a site has dirty power. Some mains surges are too much for equipment and a customer blames the equipment and I have to step in and say "no, you've got a power problem, here's the 700V spike record". They have a reputation which isn't argued with.
I wonder if OP's homemade recorder would be taken seriously by the ripoff utility company. They will discount anything anyway they can, if it requires work or money be spent to fix a problem.
calzap:
I think I’ve found the solution.  See the link and pic below.  For US$105, it will record 32k events.  For US$20 more, can get version that records 1M events.  Available from Lascar, Amazon, Digikey and others.   Will need to use it with a relay as it can’t take line voltage inputs.  Will put it in a box with relay, fuse and current voltage display.  Will consider replacing its battery with a small psu and rechargeable battery.

Thanks for all the responses.

Mike

https://www.lascarelectronics.com/easylog-el-usb-5



BeBuLamar:
You need a power source better than the battery it uses. I don't think the battery will last a month.
Old-E:
Thank you Calzap and others!
I too live in California and have been wanting the ability to record power outages.   Need to review more about it, but looks like what is needed.   We have (guessing) 50 outages per year!   Sometimes as many as 3 in one day.   We are with Trinity P. U. D. not with P. G. & E.   It's actually a pretty good company except for the frequent power outages, usually caused by blowing/falling tree debris during a weather event.   Part of the problem is the Forest Service not allowing them to clear cut a wide enough strip under the power lines.

Even though I have a whole house manual power transfer switch, got tired of pulling the generator out to restore power.   So added batteries with a 3 KW inverter.   That system is much easier to bring on line and the batteries are good for a day, when most outages are only 2-4 hours.   Then the batteries are charged when Trinity power is restored.   Anything more than a day calls for the generator, which is now seldom used.   Maybe solar panels in the future.
mwb1100:

--- Quote from: calzap on May 31, 2023, 10:09:54 pm ---Will need to use it with a relay as it can’t take line voltage inputs.

--- End quote ---

You could just wire it to a wall wart.

(I didn't realize this thread was from 3 months ago, but the forum won't let me delete this post.  Something about a session error...)
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