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Metering
2010/07/15
2:08 pm
BoomBoom
Guest

Hello,

Do you know what is the accuracy error of energy meters ?

My electrical bill change a lot compare to my consumption behaviour.

 

Thanks.

2010/08/05
2:21 pm
jp genet
New Member
Forum Posts: 2
Member Since:
2010/05/12
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For the utility meter, less than 1 %

2010/08/06
10:52 am
x-tst
Member
Forum Posts: 7
Member Since:
2010/06/10
Offline

its different in every energy meters, starting on 2%,1%, or even 0.5 and 0.1

which was being used is mostly depends on the utility on each countries itself.

2010/09/06
6:48 pm
Vijai Pratap Singh E
Guest

BoomBoom said:

Hello,

Do you know what is the accuracy error of energy meters ?

My electrical bill change a lot compare to my consumption behaviour.

 

Thanks.


 

Pl. refer to the relevant publication of  Bureau of Indian  Standards.

They have standardised the  premissible error in different type of

meters in use. Pl. prolong the discussion.

2010/11/18
2:45 pm
azhar
Guest

actually accuracy error of the energy meters depend upon the accuracy class of the meters.there are accuracy class 1,0.5,.1meters.These are meters allowing accuracy limits.

However,for your meter you need to check the accuracy of ur meter manually or you can ask your utility to verify your meter.

2010/11/23
11:02 pm
HernanSR
Guest

jp genet said:

For the utility meter, less than 1 %


for house less than 1% and that is less than 20 kW

for more than 20 kW the precision becomes 0.2% with electronic meter such as ELSTER, ABB, SCHLUMBERGER.

2010/11/30
8:32 am
gabby
Guest

The accuracy of the meter will depend on the size of the CT that was installed. If the CT/s is/are too big in capacity as compared to the power that is  actually consumed or the power that is passing through the meter, it will never give a "close to real" measurement.

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