The temperature, humidity and voltage meters with logging

The temperature and humidity and voltage meters in which the measured data with date and time stamp. Logger without a PC. The logger's parameters set up by the program - including the intervals to be logged. After completing the logging device connected PC's USB port, and data is transferred to the supplied software for graphical display or to be saved as a text or Excel file. Some data loggers have built-in display that shows the actual temperature and moisture.