Abstract
Environmental monitoring is nowadays a common instrumentation application, not only in cases where scientific information is needed, but also for pollution control and development planning of certain sensitive areas. This paper describes the development of a Stand Alone Monitoring System (S.A.MO.S.) which is actually a complete monitoring station for environmental measurements in rivers, lakes, lagoons and other sensitive ecosystems. S.A.MO.S. is capable of performing scheduled measurements by sensors or other independent electronic measuring instruments, and stores data locally in a memory module. Measurement data may then be transferred to a PC computing system for further analysis either by using cellular phone network or via a UHF transceiver. Validation of measurements is achieved by system’s self check control and warning signals can be sent to authorized personnel in case of errors. The basic features and the configuration of this system are presented in this work.
Highlights
Over the past several decades, the collected ex perience of scientists has led to the awareness that ecosystems are sensitive to a whole set of interac tive parameters [1]
S.A.MO.S. is capable of performing a self check control on scheduled time periods and store the results along with actual measurements
Warn ing signals can be transmitted to the authorized sci entists in case of errors
Summary
Over the past several decades, the collected ex perience of scientists has led to the awareness that ecosystems are sensitive to a whole set of interac tive parameters [1]. Authorized personnel may get connected to the station and perform all kinds of actions: collect remotely all data, via phone or Internet, reprogram measurement sequences, and perform an overall control to the system’s op erating function. A laptop connection output enables service/maintenance, or data transfer on the spot. This system is the new version of instru mentation systems development of the same research team [57], which are currently being used in different places in Greece [8]. A supervisory system by means of a special software applied, can automatically collect and store data from stations permanently, analyzing and pub lishing them to the Internet, even assisting with system’s preventive maintenance. The system has been designed in a modular way which makes possible any further hardware ex pansion and software reusability
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