Consumption meter

A meter for monitoring consumption of a resource,the meter comprising:

• processing and memory means for determining and storing a supplier measure of consumption of the resource;
• a communication link for enabling a supplier to access the stored supplier measure under the control of a first access control means for preventing unauthorised access to the stored data, the meter further comprising:
• consumer data memory for storing consumer data including a consumer measured of consumption;
• and
• second access control means for enabling a consumer to access the stored consumer data without permitting the consumer to modify the stored supplier measure of consumption;
• wherein the meter is further arranged to provide service access under control of a third secure access means, the service access enabling access to parameters which are not adjustable by the supplier access or the consumer access.

A meter for monitoring consumption of a resource, the meter comprising:

• processing and memory means for determining and storing a supplier measure of consumption of the resource;
• a communication link for enabling a supplier to access the stored supplier measure under the control of a first access control means for preventing unauthorised access to the stored data, the meter further comprising:
• consumer data memory for storing consumer data including a consumer measure of consumption;
• second access control means for enabling a consumer to access the stored consumer data without permitting the consumer to modify the stored supplier measure of consumption;
• and
• means for notifying a consumer of an alarm condition wherein the alarm condition comprises a consumption in accordance with a predetermined condition configurable by the consumer.