| 摘要 |
<p>A diagnostic system measures and monitors selected operating parameters of a solenoid operated valve. The valve assembly comprises a valve body (2) and a valve plug (3) attached to a valve stem (4) is actuated or operated by a solenoid (8). The valve assembly is provided with one or more sensor means (11',11'') attached to or positioned adjacent to the valve assembly to measure and monitor selected operating parameters of the valve assembly and provide electrical output signals indicative of the measurements to a signal conditioning, processing and data collection means (18,19) used to receive and record the electrical output signals. <IMAGE></p> |
