Patent ID: 8534125

Claim:
A flow measuring device comprising: a flow rate sensor that is configured to output a detection signal in accordance with a flow rate; an electronic circuit that is electrically connected to the flow rate sensor to control input into and output from the flow rate sensor; a connector that includes: a connecting terminal electrically connecting together the electronic circuit and an external device; and a connector housing formed in a cylindrical shape having a bottom and an opening to hold the connecting terminal, wherein the connector housing includes a projection portion that projects from a bottom face of the bottom toward the opening, a counterpart connector being brought into contact with the projection portion; and an adjusting terminal that is electrically connected to the electronic circuit so as to adjust the electronic circuit, wherein: the adjusting terminal is held by the connector housing and includes an exposed part exposed from the connector housing; the exposed part is exposed from a surface of the projection portion on an opening-side; and the exposed part is formed to be coplanar with the surface of the projection portion on the opening-side.