(electric meter,power meter,meter) 1、 working voltage:0.9un-1.1un 2、 power consumption: less than 1W/5VA 3、 executive standard: GB/T17215-2002/IEC61036:2000 4、 good temperature performance: the error shall not exceed accuracy range within the temperature range -25~55 degrees. 5、 Good light-load performance: the instrument has fine accuracy at ultra-light load. 6、 High accuracy of actual online measuring, high reliability and long life using. 7、 Simple installation and operation: the installation cannot be affected by anything. 8、 Strong over-load capability: the meter overload capability can reach above 6 times within the accuracy class. 9、 Strong ability of the transportation resistance: the instrument cannot cause the change of error under kinds of normal transportation conditions, user needn抰 to adjust it after opening the box.