[Problem] To provide a sensor unit wherein a wireless unit can be attached to a frame for a solar cell module in a state wherein the wireless unit is separated from the frame by a predetermined distance. [Solution] This sensor unit is provided with: a sensor for measuring a physical quantity that indicates the state of a solar cell module; a wireless unit that wirelessly outputs measurement results obtained from the sensor; a housing for housing the sensor and the wireless unit; and a fixture for attaching the housing to the frame such that the wireless unit and the frame for the solar cell module are separated from each other by a predetermined distance.
