Electronic max. demand meter - has all readings stored in electronic stores and in case of mains failure written in non-volatile store

摘要

The electronic max. demand meter can be rest by hand, and consists of a kilowatt-hour meter and a max. mechanism with a microcomputer having an integrated or external non-volatile store. All figure of the max. meter relating to energy consumption are stored in electronic stores, and in case of mains failure all figures to be kept are written in the non-volatile store. If several energy tariffs and/or several max. demand tariffs are applicable, corresponding number of storage locations is engaged. All figures with corresponding codes and reports are displayed in a different e.g. alphanumerical form, on the display device simultaneously or consecutively in a programmed sequence.