Patent ID: 7796051

Claim:
A measurement device ( 1 ) for measurement and communication of measurement data, intended to be mounted on the outside of a machine ( 31 ) comprising at least one rotating member and the measuring device ( 1 ) is intended to measure and communicate measurement data relating to the condition of the rotating member, the measurement device ( 1 ) comprising: a component for temperature measurement ( 3 ) and a component for vibration measurement ( 2 ) in at least the frequencies 1-1000 Hz, first means ( 7 ) configured to activate the components for temperature and vibration measurement, the first means ( 7 ) being configured to be energized by an introduced magnetic field ( 21 ) and to process vibration measurement data from the component for vibration and communicate the vibration measurement data as one value related to total energy of vibration, and second means ( 4 , 5 ) configured to communicate a unique identifier, data from the temperature measurement and the value relating to the total energy of vibration to a handheld RFID receiver ( 20 ).