This meter features high reliability, small size, light weight, beautiful appearance, advanced technology and standard 35mm DIN rail installation.widely used 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 positive active energy in electrical energy measurement and display it clearly through the LCD backlight screen.long life This single-phase electric energy meter has the characteristics of good anti-electromagnetic interference, low power consumption, high precision, high overload, high stability,long life and long service life.Two-line LED display 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.working environment It is suitable for environments where the temperature is -25~55C, 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.