| 摘要 |
A metering system comprises a plurality of meters 1, 2 for, generating consumption data indicative of consumption by a consumer of respective services such as electricity, gas and water. At least one of the meters includes cut-off means 9 for cutting off the supply to the consumer of the service metered thereby. The system includes control means for storing, for at least one of said services, a credit value indicative of consumption credited to the consumer for the associated service. The control means is arranged to receive the consumption data from the meters and to activate the cutoff means to cut off said supply if, for the service or a predetermined number of said services for which the control means stores a credit value, consumption exceeds the associated credit value. For example, the control means may store a credit value for each service, and the cut-off means may be activated if consumption of any one of the services exceeds the associated credit value. The consumption data for all services can also be conveniently communicated to the supplier via the control means. The consumption data may be transmitted to the control means via a wireless link. |
