Monitoring an operating state of a valve Universiteit Antwerpen
According to an embodiment, the invention relates to a device (103) configured to monitor a state of a rotatable handle (101, 201) of a valve (100, 200) when the device (103) is attached to the rotatable handle (101, 201), the device (103) comprising a vector magnetometer (501) configured to measure a magnetic field; the device (103) further comprising a processing unit (500) configured to obtain from the vector magnetometer (501) measurements of the magnetic field when the handle (101, 201) is rotated (109, 202); calculate a change in the state of the rotatable handle (101, 201) based on a ...