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ION8650 Temperature coefficient

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JuanMQT
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Posted: ‎2022-04-04 11:40 AM . Last Modified: ‎2022-04-04 11:40 AM

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‎2022-04-04 11:40 AM

ION8650 Temperature coefficient

Dear Experts,

 

I have a request form a big customer, is there any datasheet of technical document where I can find the temperature coefficient in (% / °C) I have found that the datasheet refers to compliance with IEC 62053-22 standard, but the client needs it to be specified in a schneider document in order to compare with others brands.

picture provided by  customerpicture provided by customer

Picture provided by customer from a Landis meter

 

I'll look forward for your answer

 

Best regards,

Juan Quintanilla

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DanL
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Posted: ‎2022-04-07 04:00 PM . Last Modified: ‎2022-04-07 04:09 PM

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‎2022-04-07 04:00 PM

The ION8650 is designed and tested to comply to IEC accuracy Class 0,1S for In = 1A and Imax = 20A

For compliance to IEC 62053-22, eight meters were tested at Kema Labs under various conditions:
- seven load levels ranging between 0.05A and 20A, at both unity PF and 50% Lag

- six different temperatures spanning -25 deg C and +55 deg C

The maximum temperature coefficient measured for energy accuracy was 0.002% / K (only one meter registered this "high" and only between 45 degC and 55degC). All other test points for all meters were <= 0.001% / K

Most tests had no measurable drift.

 

The typical/average temperature coefficient for ION8650 is < 0.001% / K (ie. <10 ppm/C)

The acceptable limits specified in the standard for Class 0,1S are:

  at cos(phi) = 1,   from 0.01A to 20A: 0.005%/K

  at cos(phi) = 0.5, from 0.05A to 20A: 0.010%/K

See Answer In Context

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DanL
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Posted: ‎2022-04-07 04:00 PM . Last Modified: ‎2022-04-07 04:09 PM

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‎2022-04-07 04:00 PM

The ION8650 is designed and tested to comply to IEC accuracy Class 0,1S for In = 1A and Imax = 20A

For compliance to IEC 62053-22, eight meters were tested at Kema Labs under various conditions:
- seven load levels ranging between 0.05A and 20A, at both unity PF and 50% Lag

- six different temperatures spanning -25 deg C and +55 deg C

The maximum temperature coefficient measured for energy accuracy was 0.002% / K (only one meter registered this "high" and only between 45 degC and 55degC). All other test points for all meters were <= 0.001% / K

Most tests had no measurable drift.

 

The typical/average temperature coefficient for ION8650 is < 0.001% / K (ie. <10 ppm/C)

The acceptable limits specified in the standard for Class 0,1S are:

  at cos(phi) = 1,   from 0.01A to 20A: 0.005%/K

  at cos(phi) = 0.5, from 0.05A to 20A: 0.010%/K

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