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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

PLEASE NOTE: A download link for Volume 1 will be sent to you by email and Volume 2 will be sent to you by post as a book.

Buy individually or both books together. Delivery is free!


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  1.  
    Hi all

    I've been having a read through a lot of the smart meter posts on the forum lately.

    In one of the threads I learned that the cerification perod for an induction meter (old spinny disc) which is the type I curently have, is 10 years.

    Mine has a sticker on the front which reads "Certified R1/0157/06"

    I cant find anything on the web that deciphers this, but I can hazard a guess that "06" is 2006.

    Anybody know?


    Any words of wisdon would be greatly appreciated.
  2.  
    Mine has a little sticker on it saying "Certified 05 88".
    That's for the kind with the disc but a digital display.
    Another has the display of a row of little clocks some going backwards. No obvious system to the reference number, but looks much older.
    • CommentAuthorowlman
    • CommentTimeApr 8th 2021
     
    Posted By: Cliff Pope.......................... row of little clocks some going backwards. No obvious system to the reference number, but looks much older.


    I guess you've got PV Cliff. Mine did that too until they twigged and quickly changed it.
    • CommentAuthorEd Davies
    • CommentTimeApr 8th 2021
     
    Posted By: owlmanI guess you've got PV Cliff. Mine did that too until they twigged and quickly changed it.
    I think he means ones where the clocks go in alternate directions because of the way the dial for one power of 10 is geared to the next higher power. E.g, the units, hundreds and 10 thousand dials might go clockwise while the tens and thousands go anticlockwise. I think those were pretty old even 30 years ago.
    • CommentAuthorowlman
    • CommentTimeApr 8th 2021
     
    OK Ed, so no visits from the VOPOs.:wink:
    • CommentAuthorMike1
    • CommentTimeApr 10th 2021 edited
     
    Posted By: Ed DaviesI think he means ones where the clocks go in alternate directions because of the way the dial for one power of 10 is geared to the next higher power....I think those were pretty old even 30 years ago.

    My last house, sold within the last few years, had one of those...
    • CommentAuthormarkocosic
    • CommentTimeApr 17th 2021
     
    Meters are "certified" for X years when new.

    The leccy company pulls* a representative sample of meters, tests them for accuracy, and if the results are ok can then approve the installed fleet for another X years.

    So no need to check each and every one and normal to have ancient meters if the design is sound.

    If you have reason to belive yours is wrong you can ask for it to be tested; they must test it; and it's at their cost (plus refund) if it's wrong or at your cost if it's ok.


    *is supposed to.
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