| 摘要 |
<p>A consumption meter, e.g. a heat, cooling, gas or water meter, with a housing with the measuring tube inside, and an ultrasound transducer arranged for measurement of fluid flow in the measuring tube. The meter includes a first unit 101 with a first circuit board 111 with an electronic measurement circuit arranged to operate the ultrasound transducer, and a first set of terminals 115 electrically connected to the first circuit board 111. The meter further includes a second unit 103 with a second circuit board 131, a display element 133 arranged to display a measured amount, preferably also a calculator circuit, and a second set of terminal 135 connected to the second circuit board 131. The second set of terminals 135 is arranged for engagement with the first set of terminals 115 at least at two different angular positions relative to each other, such as at four different angular positions in 90° steps. Hereby, the display 133 can be turned for comfortable reading in relation to the measurement circuit, and thus in relation to the housing, irrespective of an actual orientation of the housing in a specific piping installation. A coaxial type connector can be used to interconnect the first and second circuit boards, thus allowing free relative rotation of the display at any angle. A simple type of connector 115 based on conductive pins geometrically arranged to fit the desired angular resolution can also be used. Preferably, three connections are provided by the first and second set of terminals: electric ground, electric supply, and flow rate signal.</p> |
