Utility Management Association

04/03/08

Utility Management Association, Data Logger Applic

Utility Management Association, Data Logger Applic

Data Logger use for Environmental Measurement. To asses the efficiency of a heating system ambient temperature must be measured throughout a building. This can be accomplished using small temperature data logger units placed in main work areas, warehouses and offices. Information will normally be downloaded from the data logger on a weekly or monthly basis and collated into a single data base. Outside weather conditions may also be recorded by a data logger interfaced to a weather station to provide a complete picture of ambient conditions.

Data Logger use for energy measurement Along with a profile of temperature data in key work areas it is vital to measure actual energy used to heat these areas. Heating systems can be fitted with various types of data logger to measure KWH, gas, and oil usage, and inlet and outlet temperatures. There are many types of data logger systems available for this function. The main specification for a data logger to be used in these applications are: 1) Multi channel inputs ? the data logger should be capable of accepting inputs from as number of sensors ( temperature, flow, KWH etc. ) 2) Different input types ? the data logger should be able to measure inputs from thermocouples, PT100 sensors, 4-20mA signals from flow meters, pulse outputs from flow meters and kilowatt hour meters.
If a data logger is effectively used as part of an energy management system the equipment costs can be recovered in a relatively short period from the savings made. ---------

Jim Furness is CEO of Omniinstruments Ltd, specialists in data logger and other instrumentation solutions such as ultrasonic flow meter.

http://blogs.ittoolbox.com/

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