该仪表可适用于野外没有电力电源供电的场合。
The instrument can be used in the circumstance of no power supply.
配合相应仪表可同时测试被测对象的电压、电流、功率、功率因数等参数。
The parameters of the tested object, such as voltage, current, power, power factor etc can be tested at the same time when it is equipped with corresponding instruments.
仪表板(图1)可同时在各个实例级别和聚合级别显示数据，提供复杂的多维分析。
The dashboards (Figure 1) can display data at both the individual instance level and the aggregate level, and offer sophisticated dimensional analysis.
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