A purchase of a temperature data logging kit will allow user to record time and temperatures with time intervals and parameters you assign for use in a freezer/refrigerator, closet, confined space, storage area, etc. Download to your PC from the MFM300 using 9362 connection cable. 

Log Temperature Data: Use Data Logging Kit Model GL300 to view temperature data on the MFM300.

Does both ºF & ºC.