What is Temperature loggers ? Temperature loggers is an electronic instrument that records data over time or in relation to location based on a digital processor. Temperature loggers may be small, battery powered and portable and vary between general purpose Temperature loggers types for a range of applications to very specific devices in one environment only. Temperature loggers range from simple single-channel input to complex multi-channel instruments. Typically, the simpler the Temperature loggers the less programming flexibility. Reference :Wikipedia, the free encyclopedia