A data logger (or sometimes called a "datalogger") is a specialized electronic device that measures and records specific data over a certain period of time or in relation to its location either with a built-in instrument or sensor or via external instruments and sensors.
Datalogging is a term used to describe using a device to collect data through a sensor. That way, the data can be analyzed and saved and then the results can be output and the data collection and analysis performed.
A Data logger is commonly used in experiments and in data monitoring systems when there is a desire to harvest information faster than a human being can possibly collect the information, especially when the accuracy of the data is important.
A Data logger varies between most general-purpose types of equipment for use in a range of measurement situations, to a very specific use in measuring one specific environment. It is most commonly used for general purpose applications. However, data loggers may remain as static devices with only a limited number of changeable parameters. In many data logging situations , electronic type dataloggers have mostly replaced chart recorders.
A Data logger collects detailed information from an electronic sensing instrument over an exact period of time, usually performed at predetermined intervals.
There are various examples of the kind of information a data logger can collect, including: temperature, sound frequency, vibration, time, light intensity, electrical current, pressure.
Data logger applications include: specific conditions like a warehouse, a production room, a refrigerator, a freezer, or a sterilizer.
A Data logger may be used as a stand-alone configuration or it can be connected to a computer.
A Data logger can record temperature, which is usually recorded by a thermocouple, a thermistor, or a resistance temperature detector (RTD)
A Data logger may be configured to include: wiring, multiple channels, or by self-contained instruments
A Data logger can be calibrated to an appropriate tolerance. However, the calibration should be National Institute of Standards and Technology (NIST) traceable.
A Data logger can be used to qualify environmental chambers, steam sterilizers, warehouses, and other controlled environments
Remember, when using a data logger, proper probe placement is an essential aspect of data collection.
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