<p>Multiple Advantages: Convenient meter reading, high reliability, small size, light weight, beautiful appearance, advanced technology, etc. This meter is suitable for measuring AC single-phase effective electric power with rated frequency of 50Hz, and it is used for indoor fixed installation Applicable environment: suitable for ambient temperature below -25°C ~ +55°C, relative humidity below 95%, no corrosive gas in the air, avoiding dust, mold, salt spray, condensation, insects, etc. Powerful functions: good anti-electromagnetic interference, low power consumption, high precision, high overload, high stability, anti-theft, long service life, standard 35mm DIN rail installation. After-sales service: If you are not satisfied with the product we received, please contact us and tell us the problem, we will We will solve it for you first.</p> <p>Features: Model DDS548C Single-phase energy meter Basic current 30 (A) Class of accuracy 1 Reference voltage 230 (v) Current rate 1000imp/kwh Display mode meter Frequency 50 (Hz Maximum current 100 (A) Package contains: 1 piece DDS548C model</p>