HOBO temperature and humidity data logger in use at NCPTT.

These instruments are used to measure and record relative humidity and temperature over extended periods of time.  We have a couple different versions of the HOBO data loggers manufactured by Onset that can be used to measure internal or external conditions.  These loggers can be programmed to record environmental data at various intervals ranging from seconds to hours.  Certain HOBO models are equipped with Bluetooth capabilities, which allows for the data to be read and recorded remotely on a cell phone.

Currently, we are using these devices to monitor our own building and work conditions, as well as in experiments.  One suite of HOBOs is being used to monitor the environmental conditions in model scale houses constructed to test the properties of different types of insulation.


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National Center for Preservation Technology and Training
645 University Parkway
Natchitoches, LA 71457

Email: ncptt[at]nps.gov
Phone: (318) 356-7444
Fax: (318) 356-9119