DDSIF105 single-phase electronic multi rate carrier energy meterDetailed product description：

Product Overview

The DDSIF105 single-phase electronic multi rate carrier energy meter is designed using advanced energy metering chips and carrier communication chips, combined with mature multi rate technology. It applies digital sampling processing technology and SMT technology, and is designed and manufactured according to the actual electricity consumption of residents. Its performance indicators comply with technical requirements such as GB/T 17215-2002 "Level 1 and Level 2 Static AC Active Energy Meters" and GB/T 5283-1994 "Level 0.5, 1, and 2 AC Active Energy Meters", and meet the technical requirements of GB/T 17215.321-2008 "Special Requirements for Multi Rate Energy Meters" for multi rate energy meters. The communication protocol complies with DL/T645-1997 (2007) "Multi functional Energy Meter Communication Protocol" and DL/T 698-2009 "Energy Information Collection and Management System".

Main functions
Electric energy metering, event recording, alarm, infrared communication, RS485 communication, calendar clock, power outage display, power freezing, multiple rate, power outage display, carrier communication, circuit breaker

Main Features
Can accurately measure positive and negative active energy
It can be set for peak, off peak, and valley rates, as well as 8 time periods for time-sharing active energy metering. (The number of time periods can be set)
Hardware clock circuit with automatic switching of calendar, timing, and leap year.
Programming and meter reading operations are completed through infrared and power line carrier, which are accurate, reliable, have strong reading capabilities, and have automatic relay functions for each other.
Capable of storing frozen data from the previous 12 months (data freezing time can be arbitrarily specified between 1-28 days)
Has programming prohibition and programming request functions
Automatic and manual wheel display functions
Equipped with broadcast timing function

technical parameters
Accuracy levels 1.0 and 2.0
Reference voltage 220V
Reference frequency 50Hz
Main current specifications: 5 (20) A, 5 (30) A, 5 (50) A, 10 (40) A, 15 (60) A, 20 (80) A
Starting current level 1 0.4% Ib, level 2 0.5% Ib
Working voltage range 0.7Un~1.2Un
Normal operating temperature -25 ℃~+55 ℃
Extreme working temperature -30 ℃~+70 ℃
Storage and working humidity ≤ 85%
Lithium battery ≥ 1200mAh
Display LCD display
Effective distance of low-voltage power line communication to the main power line ≥ 1km