Abstract: A bioimpedance-measuring device comprising a band configured so as to surround a wrist of a first arm of a user and on which there are arranged at least two current-injecting electrodes and at least two potential-measuring electrodes, said measuring device furthermore comprising a system for collecting raw bioimpedance data from the potential-measuring electrodes and a system for processing raw data in order to obtain at least one monitoring measurement and information signifying a pulmonary bioimpedance condition, said collection system being carried by the band and configured so as to communicate with the processing system.