DD104 single-phase electronic energy meter
Scope of adaptation:
The DDS104 series single-phase electronic energy meter adopts a large-scale dedicated digital energy metering chip and SIM technology. The key components are selected from international brand industrial grade components, greatly improving the reliability and service life of the product. The product has a dignified and stable appearance, a sturdy structure, excellent performance, and a long operating life. The meter also has anti-theft function and is suitable for measuring AC single-phase active energy with a reference frequency of 50HZ or 60Hz.
Specifications and main technical parameters
1. Specifications:

2. Main technical parameters:
1. Working voltage range: 0.9Un-1.1Un
2. Power consumption: less than 1W/5vaVA
3. Execution standard: GB/T17215-2002/IEC 81038:2000;
4. Temperature special number, the error within the temperature range of -25 ℃ to 55 ℃ shall not exceed the accuracy range;
5. Lightweight wear is particularly good, and the instrument has a good accuracy level when working under extremely low loads;
6. Actual online measurement has high accuracy, reliability, and long lifespan;
7. Easy installation operation, installation location is not affected;
8. Strong overload capacity, the instrument's overload capacity within the accuracy level range can reach more than 6 times;
9. Strong transportation resistance, the instrument will not cause any error changes under various normal transportation conditions, and users do not need to adjust it after opening the box.
10. The working temperature range specified for normal working conditions and installation conditions is -25 ℃ -55 ℃;
11. Extreme working temperature range: -30 ℃ -70 ℃
12. Relative humidity not exceeding 85% (environmental degree 23 ℃)
13. There should be no harmful substances in the air that can cause corrosion.