USB Data Loggers for Any Application
USB data loggers can be classified into three types:
- Data loggers that are in a form factor similar to a USB stick like the Lascar EL-USB-1 and Switrace IPST8. These loggers plug directly into a USB port on a PC for configuration and data downloading.
- Data loggers with a USB host port that accepts a standard USB stick for data transfer. This makes retrieving data from a device in the field much easier; just plug in a stick, offload the data and take it back to your office. Products in this category include the dataTaker DT8x family of data loggers, the Brainchild PR Series of paperless recorders, the Novus Fieldlogger and the Delphin Expert Series of data loggers and data acquisition systems.
- Data loggers with a standard USB interface for configuration and data download. Nearly every manufacturer represented offers data loggers or data acquisition systems with a USB interface. Best selling USB data loggers include the TandD TR-7Ui and the Versalog product line.
Advantages of USB Data Loggers
For many applications, these USB data loggers offer a number of advantages over more traditional data logging systems. First, by packaging all of the electronics in a small USB stick form factor, they can keep the cost low. These satisfy the needs of simple applications that require only a single measurement with a fixed sample rate an no or limited alarm notification.
Second, using a USB stick greatly simplifies data retrieval. In the case of data loggers that are built into a USB stick, you simply plug the stick into a PC and use the software supplied with the logger to read the data – no extra cables or docking stations are required. These USB Data loggers can transfer data to a USB stick to make it even easier – you can upload data to the stick while the logger is running in the field. Then, simply take the stick back to your PC where you can analyze and/or archive the data. Many of the loggers can transfer the data as a .CSV file that can be read directly by programs like Microsoft Excel.
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