Benefits Of Using Data Logger
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Date: Sun, 13 Nov 2011 Time: 10:47 PM
In simple language, data logger is a type of electronic device used for storage of data. It can record data on 24 hour basis or in terms of location with a built in instrument or through external instruments. Usually they are small in size, easily portable, battery powered and equipped with microprocessor and sensors. The battery life depends on the model and sample rate. They are flexible and have high capacity of storing hundreds of inputs.
Some <a href="http://www.tek-troniks.com/site/products/">data loggers</a> need connection with a personal computer and usage of specific software in order to activate the data logger and view and examine the collected data. Others work as a stand-alone device and can directly transfer data to the computer. As there has been continuous improvement in technology, cost of data logger has drop down.
The main advantage of using data loggers is its ability to record data constantly over time. The duration of recording depends on the memory capacity and sample rate. Another advantage is that some can work independently of a computer unlike chart recorders and real-time data acquisition systems.
While choosing <a href="http://www.tek-troniks.com/site/products/">data logger</a> you need to consider certain parameters. First, input signal, as all data loggers are not programmable for all types of input. Second, numbers of inputs, as data loggers vary according to handling of inputs.
Third, size of the data logger, as it acts as a limitation in many applications. Fourth is speed or memory. As the data is stored in internal memory, the space is not large. So it is necessary to specify the sample rate and sample duration to calculate the required memory.
Data loggers have proved to be more cost-effective and user-friendly than other data acquisition devices. Stand- alone data logger is more preferred as the data is stored in non-volatile memory for later download to a computer. Thus even if there is a power cut, data is not lost.
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