According to the management requirement of gas companies for large commercial users,the method of reading data directly from gas meter is investigated,and the data acquisition and wireless data transmission technologies are used to fulfill the remote management of gas consumption for large commercial users.

Combined with the actual situation in Anshan City,the problems existing in gas meters for commercial users are analyzed,the paths of solutions for the problems are discussed from each link of the technology and management,and the important role of marketing analysis to the management of gas meters is emphasized.

The necessity for installing temperature and pressure compensation device in city gas flowmeter for commercial user is described,and the methods for selecting gas flowmeter in seven cities are introduced.

Starting with analyzing the characteristics of medium voltage distribution carrier wave communication,the paper introduced the project of industrial large consumer remote measuring and charging system on the basis of medium voltage distribution carrier wave in detail,and put forward effective technical methods to improve communication reliabilty.