| 摘要 |
<p>A transmitter provides an output that is indicative of pressure and has two modular transmitter bodies (20, 30), one (20) including a sensor (22), and the other (30) having an isolator diaphragm (32, 33) with a substantially non-compressible fluid that transfers movement of the isolator diaphragm (32, 33) to the sensor (22). The bodies each have mating passageways (36, 37, 40, 41) to transfer non-compressible fluid from one body (30) to the other (20) and are assembled together using a ring of extrusile material (48, 49) disposed around the mating portions of the passageways to seal the passageways together when the transmitter bodies (20, 30) are assembled. The isolation fluid is filled in the passageways before the first and second transmitter bodies (20, 30) are assembled. The assembly can be accomplished without complex procedures and still insure that accurate transmitter operation will be obtained.</p> |
