Heat meters: Combined or complete instrument,performance test (NT VVS 085)

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  • Report #: NT VVS 085
  • Approved: June 1990
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Abstract

  This NORDTEST method is designed for evaluating heat meters for the purpose of pattern approval. Methods are included for determining accuracy, working range, mechanical and thermal durability and resistance to changing ambient conditions. The test method is applicable to meters constructed either as a combined instrument or as a complete instrument.  
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