Guidance
CHPQA guidance note 17: Uncertainty in metered inputs and outputs
Guidance on assigning uncertainties to metered values of energy inputs and outputs, and taking account of them in determining the power and heat efficiencies of a scheme.
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Guidance on assigning uncertainties to metered values of energy inputs and outputs, and taking account of them in determining the power and heat efficiencies of a combined heat and power scheme.
This guidance note also contains a general simplified method for determining the overall uncertainties in flow meters.
Updates to this page
Published 1 September 2021