| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for checking a trace for a measuring instrument by which a state of a steam trace is also detected by measuring temperature of a drain trap and whether or not a poor condition is the one of the steam trap or the one of the measuring instrument itself in the case of out of condition of the measuring instrument is judged. <P>SOLUTION: In equipment in which many measuring instruments 2 such as pressure sensors are connected to required parts, respectively by piping 4 equipped with trace for measuring instrument by the steam trance 6, temperature of the drain trap 10 or 13 is detected by a temperature sensor and when an alarm of the poor condition of the measuring instruments is raised, whether or not the steam trace is normal is output simultaneously as the alarm. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
