The TRS application-specific multi-point distributed recording system is designed to record quantities like temperature and humidity as part of vast control systems as found in the food industry, warehouses and maintenance storage areas, libraries etc. It is based on the RS-485 network using the ModBus protocol. Depending on needs, such a system may comprise several or several dozen or more measuring points. The specialized PC-based software enables the databasing of the recorded measurements, carrying out of analyses, print-outs etc.