Class for logger metadata
typetype of logger (TMS, Thermo, Dendro, HOBO)
namename of the logger - default in format (type)_(index)
serial_numberserial number of the logger
steptime step of microclimatic time-seris in seconds.
When provided by user, is used in mc_prep_clean() function instead of
automatic step detection
raw_indexindex of values in uncleaned data, used for data checking. This value is deleted during cleaning process.