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Kwh meter

paulmars

Aug 30, 2016
19
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Aug 30, 2016
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Hi all,i need a kwh meter to record power used on a 26a 240vac kiln. It does cycle off and on & has different heat settings. so i cant just use 26a x hrs.

I see so many electronic meters for sale and none really have a lot of reviews. Priced from 10 to 25$ and more. Are they any good? Which ones?

So I decided to just buy one of those used mechanical house mtrs and box,but that will cost me 75 to 100$. Which is probably overkill.

Any thoughts? I prefer one i can reset to zero every month, but might settle for one that i cant .

p
 

Delta Prime

Jul 29, 2020
1,219
Joined
Jul 29, 2020
Messages
1,219
Any thoughts? I prefer one i can reset to zero every month, but might settle for one that i cant .
At your price range I cannot recommend anything.
You want to research" AC kilowatt-hour Data logger, recorder" . It has all the features you would like.
 

kellys_eye

Jun 25, 2010
6,039
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Jun 25, 2010
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6,039
There are many, many modules that can show multiple AC voltage signals (volts, amps, kWhr, frequency - and all simultaneously) and they use an external pick-up coil to measure the current (current transformer) that needs to have the 'hot' wire from the supply voltage fed through the centre of the coil so it can induce a signal to be measured.

Here's the first one I saw on eBay: https://www.ebay.co.uk/itm/252636621057?hash=item3ad250e901:g:p7sAAOSwcUBYJcP9&amdata=enc:AQAIAAAA4IK+nOOdLnfrNHtFMaRj4NLcCSgbUsK3RXPc+MD5+E0QTfeung3fhBLbaOKzep+8/H/a08RlGNTfOfTa+ymZz9YN6Je/I1fX1MmbWIrEpFvXpGYqkmyyR3/l6nKec5cftby9mmUqat7yzzvn10RmHwlACIywzA42FEYWUE5NAgSe8RLU/FA4Wx/6VCmuoTbFuLBFnfjyb4e39+fRbcQXJROF591jytG8bVHboszj+cdRB1TN8Z63KJp+eTcMdXKy94foC+FdcrwR+th+p+Yea36U1eI1pLJPVdyVR7MWSSXN|tkp:Bk9SR-7YibC2Yg

Scroll down the listing to see how the model(s) are connected and the bits it comes with.
 

Delta Prime

Jul 29, 2020
1,219
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If you're not so frugal you can try this one
Screenshot_20230801_173857.jpg
 
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