An audiometer having an air-conduction receiver 2, a bone-conduction receiver 3, a masking receiver 4, and an audiometer body 1 is provided, in which the air-conduction receiver 2, the bone-conduction receiver 3, and the masking receiver 4 are respectively provided with serial ROMs 14, 19 and 20 in which identification information and calibration information of each receiver 2, 3 and 4 are stored, and the audiometer body 1 comprises a misconnection daeeting means 43 for detecting misconnection of each receiver 2, 3 and 4, a calibration period judging means for judging a calibration transition period of each receiver 2, 3 and 4, and a correction amount computing means for computing a correction amount of sound pressure based on the information stored in the serial ROMs 14,19 and 20.
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