This meter features high reliability, small size, light weight, beautiful appearance, advanced technology and standard 35mm DIN rail installation.This electric energy meter is suitable for measuring the active energy of single-phase alternating current with a rated frequency of 50 Hz and is used for indoor fixed installation. This single-phase meter can measure the positive active energy in themeasure electrical energy and display it clearly through the LCD backlight screen.This single-phase electric energy meter has the characteristics of good anti-electromagnetic interference, low power consumption, high precision, high overload, high stability, longdurability and long lifespan.The top row displays a temporary power consumption counter, which can be cleared.The bottom line shows the total power consumption and cannot be cleared.It is suitable for environments where the temperature is -25~55°C, the relative humidity is less than 95%, the air does not contain corrosive gas and the environment such as dust, mold, salt spray, condensation, insects, etc... is avoided.