1. Scope of application
DTS3485 series three-phase four-wire and DSS3485 series three-phase three-wire electronic rail electric energy meter (hereinafter referred to as “instrument”) is the use of large-scale integrated circuits, the application of digital sampling technology, is designed for the power system, communication industry, construction industry and other power monitoring and power metering needs, mainly for the electrical circuit in the three-phase voltage, three-phase current, active power, reactive power, frequency, forward and reverse electric energy, four-quadrant electric energy and other parameters for real-time measurement and display, using standard DIN35mm Din rail mounting; As a monitoring terminal product of energy management system, it can be widely used in internal power assessment and monitoring of industrial and mining enterprises, hotels, schools and large public buildings.
The performance indicators of the electric energy meter comply with the following relevant technical standards:
GB/T 17215.211-2021
GB/T 17215.321-2021 Special requirements for electrical measuring equipment (AC) – Part 21: Static active energy meters (Class A, Class B, Class C)
GB/T 17215.323-2008 Special requirements for alternating current measuring equipment – Part 23: Static reactive energy meters (Levels 2 and 3)
DL/T 645-2007 “Multifunctional Energy Meter Communication Protocol” MODUS-RTU standard protocol
2. Product features
The main functions of the product are: three-phase voltage, three-phase current, active power, reactive power, power, power factor, frequency, active energy metering, reactive energy metering, demand statistical complex rate (optional), harmonic analysis (optional)
It has RS485 communication port and supports standard ModBus protocol or DL/T 645-2007 protocol.
It can support external control function, and supports up to 2 relay outputs
DIN35mm standard rail mounting, modular structure design, small size, easy to install;
3. Model description
Fourth, the size of the product
