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Accuracy Class

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Thread Starter

Anonymous

Hello friends,

Can anybody tell what is the meaning when we specify accuracy class like class 1 or class or 2.5, etc.?
 
C

Carmel

The class devisions are the error limits as a % of full scale deflection. DIN 16 005

Class 1.0 &b 1.6 are used for industrial measurement on machinary and process lines
Class 2.5 & 4 are used for genral monitoring and precision isn't a requirement
 
P

Phil Corso, PE

Responding to Anonymous' 11-Oct (00:09) question...

If you are asking about Accuracy Class as related to metering and protection relaying instrument transformers, then I suggest you use the ones(s) shown in IEEE Std 100-1992:

"The IEEE Standard Dictionary Of Electrical and Electronic Terms!"

Regards, Phil Corso ([email protected])
 
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