Level DetectorsOBJECTIVESTERMINAL OBJECTIVE1.0 Given a level instrument, RELATE the associated fundamental principles, includingpossible failure modes, to that instrument.ENABLING OBJECTIVES1.1IDENTIFY the principle of operation of the following types of level instrumentation:a. Gauge glassb. Ball floatc. Chain floatd. Magnetic bonde. Conductivity probef. Differential pressure (DP)1.2EXPLAIN the process of density compensation in level detection systems to include:a. Why neededb. How accomplished1.3STATE the three reasons for using remote level indicators.1.4 Given a basic block diagram of a differential pressure detector-type level instrument,STATE the purpose of the following blocks:a. Differential pressure (D/P) transmitterb. Amplifierc. Indication1.5STATE the three environmental concerns which can affect the accuracy and reliabilityof level detection instrumentation.Rev. 0 Page v IC-03
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