The system includes the onsite measuring sensor, ADAM module and the onside data acquisition unit constituted by the onsite workstation computer. The onside workstation computer possessing Ethernet card is connected to the local enterprise network connected to the data storage server and the computer at the client end. In handing over and taking over trade procedure, under the control of the on site workstation computer, the data of the onsite instruments through the local enterprise network are sent to the data storage server so as to complete the storage for the on site real time measured data. Mean while, the measured data being compressed are provided for the trade administrator by the computer at the client end for monitoring the measured data, statistics, alarming hint etc.