Welcome to the new Schneider Electric Community

It's your place to connect with experts and peers, get continuous support, and share knowledge.

  • Explore the new navigation for even easier access to your community.
  • Bookmark and use our new, easy-to-remember address (community.se.com).
  • Get ready for more content and an improved experience.

Contact SchneiderCommunity.Support@se.com if you have any questions.

Close
Invite a Co-worker
Send a co-worker an invite to the Exchange portal.Just enter their email address and we’ll connect them to register. After joining, they will belong to the same company.
Send Invite Cancel
84392members
353580posts

Full scale or readings? about current and voltage accuracy of PM8000 and PM5000.

Metering & Power Quality

Collaborate with multiple experts and discuss various topics about Power Meters and Power Quality. From design & implementation to troubleshooting and more, get support from experts and share your experiences by subscribing to the Schneider Electric Exchange forum today.

suzuki-takahir_1
Ensign
Ensign
0 Likes
1
220

Full scale or readings? about current and voltage accuracy of PM8000 and PM5000.

Hello.

Our customer would like to evaluate PM8000 and PM5000 current and voltage accuracy (error) as their internal test.

              PM5100, 5300     PM5500          PM8240

Current       0.5%              0.15%              Class 0.2 as per IEC 61557-12

Voltage       0.5%              0.1  %              Class 0.2 as per IEC 61557-12

However we couldn't understand that these accuracy values (error) based "Full scale" or "readings" from its specification or its standards.

Could you please advise us whether we should use Full scale or readings?

1 Reply 1
DanL
Commander Commander
Commander

Re: Full scale or readings? about current and voltage accuracy of PM8000 and PM5000.

The compliance to IEC61557-12 for a particular accuracy class indicates the performance level is garunteed under a very wide range of signal conditions and various operating conditions for that parameter.

For example, Class 0.2% will be better than +/-0.2% of reading under nominal and near nominal conditions. Some allowance for de-rating is specified in the standard under more extreme conditions.

Hope this helps,

Dan

   

http://www2.schneider-electric.com/resources/sites/SCHNEIDER_ELECTRIC/content/live/FAQS/234000/FA234...
ProductParameterOperating Range61557-12
PM5100 / 5300Voltage20 - 347VClass 0.5
PM5100 / 5300Current0.05 - 8.5AClass 0.5
http://download.schneider-electric.com/files?p_Reference=PLSED303023EN+Datasheet&p_EnDocType=Technic...
ProductParameterOperating Range61557-12Typical accuracy (under nominal/ideal conditions)
PM800Voltage10 - 277VClass 0.20.075% rdg
PM800Current0.5 - 10AClass 0.50.075% rdg
http://www2.schneider-electric.com/resources/sites/SCHNEIDER_ELECTRIC/content/live/FAQS/234000/FA234...
ProductParameterOperating Range61557-12Typical accuracy (under nominal conditions)
PM5500Voltage20 - 347VClass 0.20.10% rdg
PM5500Current0.05 - 10AClass 0.20.15% rdg
http://www2.schneider-electric.com/resources/sites/SCHNEIDER_ELECTRIC/content/live/FAQS/281000/FA281...
ProductParameterOperating Range61557-12Typical accuracy (under nominal conditions)
PM8000Voltage10 - 347VClass 0.20.10% rdg
PM8000Current0.05 - 10AClass 0.20.10% rdg