DDS879-E single-phase electricity meterDetailed product description：

DDS879-E single-phase electronic energy meter is a single-phase energy meter designed based on market demand, using specialized large-scale integrated circuits and high-performance MCUs for measurement. It features LCD display of various information, infrared and RS485 communication interfaces, and can be used to measure single-phase AC active energy with a rated frequency of 50Hz.

DDS879-E single-phase electricity meter can be installed in indoor or outdoor meter boxes, suitable for use in environments with temperatures ranging from -30 ℃ to 60 ℃ and relative humidity not exceeding 85%.
The performance indicators of DDS879-E single-phase electricity meter meet the technical requirements for static single-phase energy meters in GB/T 17215 standard.

DDS879-E single-phase electricity meter functions and features:
Active energy metering, long-term operation does not require calibration
Equipped with LCD display
Equipped with infrared or RS485 communication meter reading function, capable of centralized reading and networking
The RS485 interface is electrically isolated from the meter and has a lightning protection circuit to withstand AC220V voltage attacks
Adopting specialized integrated circuits for electrical energy, with a wide dynamic operating range
Technical requirements for communication protocol DL/T645
Specifications and main technical parameters:
Voltage specification: 220V
Current specifications: 1.5 (6) A, 5 (20) A, 10 (40) A, 10 (60) A
Display mode: LCD
Accuracy level: 1.0/2.0
Communication interface: pulse RS485、 infrared
Starting current: Direct entry 0.4% lb (Level 1)
Mutual inductance type 0.2% ln (level 1)
Stealth: with anti creep logic design
Power consumption: ≤ 2W/10VA (overall power consumption)
Environmental conditions: Standard operating temperature is -20 ℃~55 ℃
The maximum working temperature is -30 ℃~60 ℃
Relative humidity ≤ 85%
Weight approximately: 0.60kg
Dimensions: 137 * 110 * 60 (mm)
Installation size: 133 * 90 (mm)