9 ELECTRIC DEVICE FOR THE MEASUREMENTS OF HEAT CONSUMPTION AND WATER CONSUMPTION AND ACCESSORIES THEREFORE, NAMELY, IMPULSE CONTACT COUNTER, SERVICE HOUR COUNTER, INDICATOR CONTACTS; DIRECT READOUT BY MEANS OF BUILT-IN DISPLAY AND FOIL KEYBOARD, DATA READOUT VIA AN OPTICAL INTERFACE ON PC OR LAPTOP, DIRECT READOUT ON A PERMANENTLY CONNECTED PC, REMOTE DATA TRANSMISSION BY MEANS OF TELEPHONE MODEMS AND EXTERNAL PC MASTER TERMINALS; COMPUTER; COMPUTER SOFTWARE FOR MANAGING A CONTROL ROOM, NAMELY TECHNICAL SERVICE, BLANK MAGNETIC RECORDING CARRIER, NAMELY CD-ROMS; SOUND AND IMAGING RECORDING, TRANSMISSION AND REPRODUCTION DEVICES, NAMELY, ELECTRONIC DATA COLLECTOR IN THE NATURE OF AN AUTOMATIC METER READER; DATA PROCESSING PROGRAMS; DEVICES, NAMELY, IMPULSE DIALLING METERS, WORKING HOUR METERS AND SIGNALLING CONTACTS FOR THE CONDUCT OF WATER AS WELL AS USED WITH SANITARY FACILITIES, NAMELY, TOILETS, BATH TUBS AND SHOWERS