A sensor unit for measuring the temperature of the battery according to an embodiment of the present invention, a storage unit for storing a plurality of temperature measurement values measured by the sensor unit, and a control unit for controlling the sensor unit, wherein the storage unit is a preset internal Stores the data in which the amount of temperature change is recorded, and the control unit includes an error determination unit that determines whether there is an error in the plurality of temperature measurement values, and when it is determined that there is an error in the plurality of temperature measurement values, among the plurality of temperature measurement values It may include a correction unit for correcting at least one based on the internal temperature change amount.
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