An ultrasonic apparatus comprising: an ultrasonic transducer; a driving circuit configured to cause the ultrasonic transducer to transmit sonic waves; a receiving circuit configured to receive sonic waves received by the ultrasonic transducer; a frequency detecting unit configured to detect a resonant frequency of the ultrasonic transducer; a first storage unit configured to store first premeasured data that is measured when the ultrasonic transducer is in a factory default state known to have no anomaly, said first premeasured data including one or more resonant frequencies of the ultrasonic transducer at one or more predetermined temperatures; a Q-factor detecting unit configured to detect a Q factor of the ultrasonic transducer; a second storage unit configured to store second premeasured data that is measured when the ultrasonic transducer is in a factory default state known to have no anomaly, said second premeasured data including one or more Q factors of the ultrasonic transducer at the one or more predetermined temperatures; a temperature detecting unit; a resonance frequency estimating unit configured to estimate a resonance frequency of the ultrasonic transducer at the temperature detected by the temperature detecting unit, on the basis of the stored first premeasured data; a Q factor estimating unit configured to estimate a Q factor of the ultrasonic transducer at the temperature detected by the temperature detecting unit, on the basis of the stored second premeasured data; and a determining unit (320,119,219,319,419) configured to determine an anomaly of the ultrasonic transducer on the basis of the resonant frequency estimated by the resonant frequency estimating unit and the Q factor estimated by the Q factor estimating unit, the resonant frequency detected by the frequency detecting unit and the Q factor detected by the Q-factor detecting unit. an ultrasonic transducer; a driving circuit configured to cause the ultrasonic transducer to transmit sonic waves; a receiving circuit configured to receive sonic waves received by the ultrasonic transducer; a frequency detecting unit configured to detect a resonant frequency of the ultrasonic transducer; a first storage unit configured to store first premeasured data that is measured when the ultrasonic transducer is in a factory default state known to have no anomaly, said first premeasured data including one or more resonant frequencies of the ultrasonic transducer at one or more predetermined temperatures; a Q-factor detecting unit configured to detect a Q factor of the ultrasonic transducer; a second storage unit configured to store second premeasured data that is measured when the ultrasonic transducer is in a factory default state known to have no anomaly, said second premeasured data including one or more Q factors of the ultrasonic transducer at the one or more predetermined temperatures; a temperature detecting unit; a resonance frequency estimating unit configured to estimate a resonance frequency of the ultrasonic transducer at the temperature detected by the temperature detecting unit, on the basis of the stored first premeasured data; a Q factor estimating unit configured to estimate a Q factor of the ultrasonic transducer at the temperature detected by the temperature detecting unit, on the basis of the stored second premeasured data; and a determining unit (320,119,219,319,419) configured to determine an anomaly of the ultrasonic transducer on the basis of the resonant frequency estimated by the resonant frequency estimating unit and the Q factor estimated by the Q factor estimating unit, the resonant frequency detected by the frequency detecting unit and the Q factor detected by the Q-factor detecting unit.