DDSD105 single-phase electronic multifunctional energy meterDetailed product description：

Product Overview
Designed and manufactured using advanced microelectronics technology and SMT process, it complies with GB/T 17215.321-2008 "Level 1 and Level 2 Static AC Active Energy Meters" and GB/T 15284-2002 "Special Requirements for Multi Rate Energy Meters". It has the characteristics of high accuracy, strong functionality, and good stability. It has LCD display, RX8025 clock, infrared, RS485 communication interface, and is an advanced and reliable product suitable for residential time of use billing. Its technical performance fully complies with the technical requirements of DL/T 614-2007 "Multifunctional Energy Meter" and DL/T645-1997 (2007) "Multifunctional Energy Meter Communication Protocol" for multifunctional energy meters, which are the standards of the Ministry of Electric Power of China.

Main functions
Electricity metering, maximum demand recording, instantaneous quantity, electricity freezing, settlement, alarm, local communication, lid opening alarm, multiple rate, calendar clock, event recording

Main Features
This meter can accurately measure and measure single-phase forward and reverse active and reactive electrical energy, active and reactive power, voltage, current, frequency and other parameters, and process data according to corresponding rates and demand requirements. This table can be set with 4 rates, 2 time zones, 10 daily time periods, etc., and has RS485 communication interface and remote pulse output function.

technical parameters
Accuracy levels 1.0 and 2.0
Reference voltage 220V
Reference frequency 50Hz
Main current specifications: 1.5 (6) A, 5 (20) A, 5 (30) A, 5 (40) A, 10 (40) A, 10 (60) A, 15 (60) A, 20 (80) A
Starting current 0.004Ib
Normal operating temperature -20 ℃~+45 ℃
Extreme working temperature -30 ℃~+60 ℃
Storage and transportation temperature range -40 ℃ to+70 ℃
The relative humidity can reach 95% for 30 days of the year and 85% for the rest of the time
Working voltage range 0.8Un~1.2Un (normal), 0.7Un~1.9Un (limit)
Power consumption voltage line active power ≤ 1.0W, apparent power ≤ 5.0VA
Weight 0.5kg