Small -bore supersound water gauge

The utility model discloses a small -bore supersound water gauge, including table lid, watchcase, the watchcase includes shell, shell and install the ultrasonic flow reflect meter between upper and lower shell down, and the ultrasonic flow reflect meter includes the reflecting case body, and the reflecting case body is equipped with fluid passage, and the ultrasonic flow reflect meter includes ultrasonic transducer and reflector, and ultrasonic transducer inlays and locates that fluid passage is close to in one side lateral wall of last shell and be sealed through the encapsulating, and the reflector is department and in the support frame is fixed in fluid passage along fluid passage ultrasonic flow 0 in the fluid passage port. This small -bore supersound water gauge has that the leakproofness is good, ultrasonic transducer and fluid medium contactless, and measurement accuracy is high. 本实用新型公开了种小口径超声水表，包括表盖、表壳，表壳包括上外壳、下外壳和安装于上、下外壳之间的超声流量反射装置，超声流量反射装置包括反射壳体，反射壳体设有流体通道，超声流量反射装置包括超声波探头和反射体，超声波探头嵌设于流体通道靠近上外壳的边侧壁