1、The meter is fully in conformity with the relevant technical requirements of GB/T17215.321-2008 national standard and the IEC62053 international standard of grade 1 or level 2 single-phase energy meter, which can directly and accurately measure active en 2、LCD display is 7+1 or6+1meter shows the total power consumption 3、It features high reliability, small volume, light weight, beautiful appearance, advanced technology, and 35mmDIN standard guide rail installation, etc 4、It has good anti-electromagnetic interference, low power consumption, high precision, high overload, high stability, anti electricity-stolen and long life 5、This table is suitable for the measurement of rated frequency 50 Hz or 60 Hz single-phase ac active electricity, used for fixed installation indoors, apply to the environment temperature is -25 ℃ ~ 55 ℃, relative humidity is ≤ 95%, and in the air does no