An ultrasonic transceiver, a cable 41, a housing 34, a hole 34h of the housing 34, an insulating pipe 36 that the base end side is exposed to the outside housing 34, the outer periphery and the cable 41 of the exposed portion 36r of the insulating pipe 36 an insulating tube 42 covering the outer periphery and the outer periphery of the exposed portion 36r, and disposed between the adhesive 52 to bond the tip end portion 42s of the insulating tube 42, the exposed portion 36r and a tip end portion 42s along with adhesive 52 the adhesive material 61 which is, it comprises a.超音波送受信部と、ケーブル41と、ハウジング34と、ハウジング34の孔部34hと、基端側がハウジング34外に露出された絶縁パイプ36と、絶縁パイプ36の露出部位36rの外周及びケーブル41の外周を被覆する絶縁チューブ42と、露出部位36rの外周と、絶縁チューブ42の先端側部位42sとを接着する接着剤52と、接着剤52とともに露出部位36rと先端側部位42sとの間に配置された粘着材61と、を具備する。