Gas meter

G - Physics – 01 – F

Patent

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Details

G01F 1/74 (2006.01) G01F 15/04 (2006.01) G01F 25/00 (2006.01)

Patent

CA 2412090

The invention relates to a gas meter for determining the consumption of a gas mixture. The inventive gas meter determines sensor signal values proportionately in relation to a throughflow rate and is adjusted for use as an energy-measuring device. The adjustment is based on a base mixture. When the consumption of gas is measured, a measured energy consumption value is multiplied with a correction factor which takes into account the heating value of a particular gas mixture at least approximately. This heating value is determined by an external unit. This enables the effective energy relationship to be established for the gas consumption using a simple, economical gas meter. An invoice can then be produced according to this relationship.

L'invention concerne un compteur de gaz destiné à déterminer une consommation de mélange de gaz par détermination de valeurs de signal de capteur proportionnelles à un débit, ledit compteur de gaz étant étalonné en tant qu'appareil de mesure d'énergie. Lors de la mesure de la consommation de gaz, une valeur de consommation d'énergie mesurée est multipliée par un facteur de correction faisant intervenir de manière au moins approximative la valeur calorifique d'un mélange de gaz correspondant, cette valeur calorifique étant déterminée par une unité externe. Ainsi, il est possible de déterminer le rapport énergétique réel pour une consommation de gaz au moyen d'un compteur de gaz simple et économique, et d'établir une facture en fonction de ce rapport énergétique.

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