Data loggers are devices that sample temperature and/or humidity at regular intervals and then store it. The older models used paper and pencil as a storage method, but modern data loggers send the information they gathered directly to a computer.
Data loggers were originally created as weather forecasting tools, but they were quickly adopted as a perfect way to monitor freezers or coolers.
Keeping stable temperature in a freezer is much more important than most people think. It is especially true when we store deep frozen food there. The 10-degree difference in temperature might seem small, but it is crucial for deep frozen products.
Data loggers are absolutely necessary in professional freezers. The standard thermometer inside the freezer shows you only the present temperature. You need data loggers to check if there were any temperature fluctuations when no one was looking.
There are only two problems with data loggers that limit its usefulness. The first is that they aren't independent. They usually need a computer or a chart recorder to see what they recorded. The second is that typical data loggers need a lot of maintenance - paper, pencils or linked PC - just to keep them running. Fortunately there is a data logger that does not cause this kind of problems: ThermaViewer.
ThermaViewer
Unlike other data loggers, ThermaViewer can work all by itself. It has a processor, its own memory and a big LCD screen, it doesn't need any other device to compute and show all the data it gathers. Its two sensors can be placed up to 100 feet from one another, which allows it to control temperature even in large freezers. As everything is stored in ThermaViewer internal memory and is displayed on the LCD screen, this is the only one of all data loggers that doesn't need any maintenance.
Author Bio
Rick Kaestner is the President and Owner of Two Dimensional Instruments. The worldwide leader in providing the technology to monitor, measure, record and document temperature. For more information please visit our website at http://www.e2di.com
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