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本仪表采用6L_2—W三相有功功率表作为变送器,加上信号转换器将有功功率转换为0—10毫安或4—20毫安标准信号,提供电动单元组合仪表测量和建立功率控制系统。本文就仪表的工作原理和调校方法作了较详细的介绍。该仪表已在向山硫铁矿选矿厂使用。
The instrument uses 6L_2-W three-phase active power meter as a transmitter, coupled with the signal converter will be active power conversion to 0-10 mA or 4-20 mA standard signal, to provide electric unit instrument measurement and the establishment of power control system. This article on the instrument working principle and adjustment method made a more detailed introduction. The instrument has been used in mountain pyrite concentrator.