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Old 07-18-2017, 02:41 PM
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David Patchen David Patchen is offline
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Measuring furnace electrical consumption?

We need to closely measure the monthly electrical consumption of our 600lb Stadelmelter so we can get the landlord to charge us appropriately. Obviously if it was on it's own meter it would be simple, but the furnace is wired to our large breaker box and the entire building is aggregated into one meter so we don't really know what it's using.

I know we can use a clip on meter for current draw measures, but we need to log an entire month's usage, not infer from periodic draw measures.

Anyone have a solution for what we could do (inexpensively of course), to measure a month's consumption? thx
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Old 07-18-2017, 03:10 PM
Art Freas Art Freas is offline
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Quote:
Originally Posted by David Patchen View Post
We need to closely measure the monthly electrical consumption of our 600lb Stadelmelter so we can get the landlord to charge us appropriately. Obviously if it was on it's own meter it would be simple, but the furnace is wired to our large breaker box and the entire building is aggregated into one meter so we don't really know what it's using.

I know we can use a clip on meter for current draw measures, but we need to log an entire month's usage, not infer from periodic draw measures.

Anyone have a solution for what we could do (inexpensively of course), to measure a month's consumption? thx
We do that at my shop. Basically it is a permanent clip on in the box. It has a counter and we send the number to the landlord every month. I will look at the manufacturer and get the name for you tonight.
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Old 07-18-2017, 03:48 PM
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Old 07-18-2017, 06:04 PM
Eric Trulson Eric Trulson is offline
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EKMMetering (Jordan linked to them a few days ago for their gas meter) has a couple of different options for electrical metering:

This is the cheapest ($90) that sounds like it will meet your needs, a simple non-resetable kwh meter designed for pass-through wiring: http://www.ekmmetering.com/basic-kwh...ekm-25ids.html

This is a less basic model (~$180), but it maintains a more useful data log and can push information to an online server, if that extra functionality is worth it for you guys: http://www.ekmmetering.com/ekm-omnim...5000-amps.html
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Old 07-18-2017, 08:24 PM
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You can buy a regular old electric meter and a meter socket for less then $90. I just took a look on Amazon and was surprised a 125amp meter socket is only $24 free shipping. If you shop around the meter will run about the same. Just checked and yes $22 free shipping. They even have those fancy digital ones for but give me the old style for reliability.
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Old 07-19-2017, 01:04 AM
Steve Stadelman Steve Stadelman is offline
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Quote:
Originally Posted by Sky Campbell View Post
You can buy a regular old electric meter and a meter socket for less then $90. I just took a look on Amazon and was surprised a 125amp meter socket is only $24 free shipping. If you shop around the meter will run about the same. Just checked and yes $22 free shipping. They even have those fancy digital ones for but give me the old style for reliability.
This unit runs on three phase Sky, and 480 volt if memory serves.
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Old 07-19-2017, 03:07 PM
Art Freas Art Freas is offline
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The unit is a Hunt Power E-Mon D-Mon
Model 3808200
Config 3-Wire
Voltage 120/208-240 : 50-400Hz
Input power 6VA
Current Sensor Rating 200Amps
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Old 07-19-2017, 05:06 PM
Steve Stadelman Steve Stadelman is offline
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David, it looks like part number e20 480100 j d kit will work. Emon.com
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Old 07-19-2017, 05:32 PM
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Quote:
Originally Posted by Steve Stadelman View Post
David, it looks like part number e20 480100 j d kit will work. Emon.com
Thanks guys!!!
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Old 07-19-2017, 08:45 PM
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Franklin Sankar Franklin Sankar is offline
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You can also melt the meter glass covers. Very nice glass. I did.
Franklin
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  #11  
Old 07-20-2017, 01:56 PM
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Quote:
Originally Posted by Steve Stadelman View Post
David, it looks like part number e20 480100 j d kit will work. Emon.com
So this EMON meter is $1200. I did find one on eBay for $300, but maybe this one would work for $90. I know we're going to spend a few hundred to install it so trying to save as much as I can.

Steve--would this one work? I was chatting with the manufacturer and they said we'd need a neutral to use this one, but I don't know if we have a neutral.

http://www.ekmmetering.com/ekm-omnim...5000-amps.html

Thx!!

Last edited by David Patchen; 07-20-2017 at 02:07 PM.
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Old 07-20-2017, 03:50 PM
Steve Stadelman Steve Stadelman is offline
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Call me 503-709-9922
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Old 07-25-2017, 08:28 PM
Art Freas Art Freas is offline
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Quote:
Originally Posted by David Patchen View Post
So this EMON meter is $1200. I did find one on eBay for $300, but maybe this one would work for $90. I know we're going to spend a few hundred to install it so trying to save as much as I can.

Steve--would this one work? I was chatting with the manufacturer and they said we'd need a neutral to use this one, but I don't know if we have a neutral.

http://www.ekmmetering.com/ekm-omnim...5000-amps.html

Thx!!
Did not know what they went for. It was in place before we bought the business.
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