DDS105 single-phase electronic energy meterDetailed product description：

Overview
The DDS105 single-phase electronic energy meter is designed and manufactured using large-scale dedicated energy metering integrated circuits and advanced SMT fully automatic surface mount welding technology, which has the advantages of safety, reliability, stable performance, and low power consumption. This product can be used to measure AC single-phase active energy with a voltage of 220V and a frequency of 50HZ. All its performance meets the technical requirements of the International Electrotechnical Commission standard IEC1036 "Static AC Active Energy Meters for Class 1 and 2" and the national standard GB/T 17215.321-2008 "Static AC Active Energy Meters for Class 1 and 2" of the People's Republic of China.

Main functions
Energy metering, event recording, alarm, power freezing, power outage display, light wake-up, infrared communication RS485、 settlement

Characteristics of DDS105 single-phase electronic energy meter

It has the function of accumulating total electricity, measuring in both forward and reverse directions, and counting in reverse direction. The LCD displays the total electricity consumption.
The automatic settlement function for month end data can save historical electricity consumption data for December.
Record events such as programming, lid opening, and calibration in December.
Instantaneous freezing of electrical energy and freezing of electrical energy.
Calendar clock display, with accuracy better than national standards.
It has active electrical energy pulse output, which can be used for meter calibration and power collection. The pulse waveform is a square wave with a pulse width of 80 × (1+20%) ms
The accuracy levels are 1.0 and 2.0.
LCD display, power outage LCD display.
Power consumption: Voltage circuit ≤ 1W and 5VA, with logic anti creep function.
It has infrared communication and RS485 communication functions.
Light activated sleep function.
This meter adopts a brand new circuit, which has strong anti electromagnetic interference ability, excellent error characteristics, all-round environmental adaptability, and excellent electromagnetic compatibility.

technical parameters
Accuracy levels 1.0 and 2.0
Reference voltage 220V
Reference frequency 50Hz
Main current specifications: 5 (20) A, 5 (30) A, 10 (40) A, 15 (60) A, 20 (80) A
Starting current ≤ 0.4% Ib
Working voltage range 0.7Un~1.2Un
Normal operating temperature -25 ℃~+55 ℃
Extreme working temperature -30 ℃~+70 ℃
Storage and transportation temperature range -40 ℃ to+70 ℃
Storage and working humidity ≤ 85%
Display LCD display