用于谐波测量谐波大的场合中电压电流值将其转换成4-20mAdc或者0-10Vdc的信号，谐波分为一次谐波二次谐波三次谐波。。。。到50次谐波，当谐波越大是普通平均值电流或者电压变送器是不可以测出准确的电流或者电压值的，只有谐波变送器才可以测量其为峰值除以根号2，这也是谐波变送器的由来。

                                                                                                      苏州广晨仪器仪表有限公司

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