Heat meters - liquid flow: Calibration (NT VVS 020)

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  • Report #: NT VVS 020
  • Approved: June 1983
  • Hits: 0


This NORDTEST method is designed to evaluate 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 according to paragraph 2.


Nordtest is a trademark of Nordic cooperation in conformity assessment. The emphasis of Nordtest is to develop, promote and innovate Nordic test methods and pre-normative activity. Nordtest endeavours to remove technical barriers to trade and promotes the concept: “Approved once, accepted everywhere”.