A data logger is an electronic sensor device that captures and stores data. This technology includes several data capturing equipment such as plug-in boards. They also include data acquisition devices such as serial communication systems that utilize a main computer. The main computer acts as a real time data recording system.But for the most part, data loggers are stand alone devices that are multi-functional. The loggers can read several types of electrical signals and then have the ability to store the data in an internal memory. This information can then be downloaded on to a computer. The loggers can still operate without the use of a computer.These devices come in many different shapes and sizes. They also range in price depending upon the complexity of the technology. Single channel loggers are more economical than loggers that can handle a multitude of inputs. The loggers typically operated by battery and are small and portable. Microprocessor are installed in the data loggers so they can interface with computer programs.People use these data tools for a variety of reasons. Many major corporations use them for multiple purposes. In the trucking industry, data loggers used to keep a record of the interior temperature when transporting food products. The logger can read and record various changes in temperature. Some loggers also have a humidity sensor which is important when transporting certain goods such as flowers. Data capturing tools can be designed to read other data pertaining to certain conditions in the environment.Data capturing tools are helpful in understanding and controlling certain aspects when it comes to handling products that are being stored. This helps to assure the quality of the product when it makes it to its final destination. The loggers are great portable devices and since they can function independent of a computer source, they can be taken anywhere and used for in a variety of situations.These data devices are used in a number of different circumstances. They are often used in restaurants where they are placed in the refrigerators to keep a record of the temperature of the food. This is very important in the food industry to keep foods at their proper temperature so people will not get sick. Data capturing devices are also used in very high tech situations.Data can be collected in many different ways and downloaded on to a computer. Some loggers are wireless and the data can be transmitted to different types of devices. These instruments are essential for companies to monitor the quality of their products. These loggers make it possible to know if certain products are being stored properly.Depending on the type of data logger, the information is readily available. The data can also be collected whenever it is needed. There are different types of data loggers that collect information in different ways. The memory capacity also varies depending on the type of device. These tools have many benefits and are used for a multitude of different purposes. They are used in many different types of industries to track important information.