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Three-Phase Multi-Functional Electric Energy Meter LY-DTS

The LY-DTS energy meter is a state-of-the-art, high-precision device designed for industrial power systems. It integrates advanced digital sampling technology and SMT processes, ensuring accurate and reliable energy measurement. With compliance to industry standards like GB/T 17215 and DL/T 645-2007, it is ideal for monitoring and managing power usage in demanding environments.

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Multi-rate three-phase power meter Three-phase energy meter Digital electric energy meter Smart grid energy management meter RS485 energy meter for industrial use LY-DTS energy meter

Key Features

Comparison Table of Specification Models and Pulse

Technical Parameters

Applications

FAQs

· Accurate Measurement: Real-time monitoring with a high-speed AC voltage and current module.

· Multi-Rate Functionality: Supports active and reactive energy, demand, and four-quadrant measurements.

· Robust Communication: Equipped with RS485 and infrared communication interfaces.

· Durable Design: High electromagnetic compatibility and temperature adaptability.

· Flexible Power Supply: Operates on any two phases of a three-phase, four-wire system.

Category	Reference Voltage Un (V)	Rated Current In (A)	Active Pulse Constant (imp/kWh)	Reactive Pulse Constant (imp/kvarh)
Three-phase Three-wire	3*100	3*1.5（6）	20000	20000
Three-phase Four-wire	3*57.7/100	3*1.5（6）	20000	20000
	3*220/380	3*1.5（6）	6400	6400
		3*1.5（60）	400	400
		3*10(80)	300	300
Note: Due to different requirements for pulse constants in various regions, the above pulse constants are for reference only. Please refer to the pulse constants marked on the actual nameplate.

Accuracy Class	Current 0.2S, Voltage 0.2S, Active Energy 0.2S Class, Reactive Energy 2 Class
Rated Frequency	50Hz
Starting Current	Mutual - inductance type: Active 0.001In (0.5S class), 0.002In (1 class), Reactive 0.003In (2 class)
Starting Current	Direct - entry type: Active 0.004In (1 class), Reactive 0.005In (2 class)
Creeping	With anti - creeping logic design
External Dimensions	290mm × 170mm × 85mm
Weight	Approximately 2.4kg

Technical Parameters

Number of Rates	4
Number of Time Periods	14
Metering Range	-799999.99 kWh～799999.99 kWh , -799999.99 kvarh～799999.99 kvarh
Display	liquid crystal
Local Communication	RS485 port ①: 1200bps - 9600bps, infrared interface: 1200bps. RS485 port ② (optional function): 1200bps - 9600bps.
Local Communication Protocol	DL/T645 - 2007 Communication Protocol for Multi - functional Electric Energy Meters

Electrical Parameters

Normal Working Voltage	0.9Un-1.1Un
Extended Working Voltage	0.8Un-1.15Un
Power Consumption of Each Phase Voltage Circuit	≤1.5W & 6VA
Power Consumption of Each Phase Current Circuit (Ib<10A)	＜0.2VA
Power Consumption of Each Phase Current Circuit (Ib≥10A)	＜0.4VA
Clock Battery Voltage	3.6Vdc
Replaceable Battery Voltage	6Vdc

Rate - based Working Parameters

Clock Accuracy (Daily Error)	≤0.5s
Clock Accuracy Variation with Temperature (-25℃~ +60℃)	0.1s/(d.℃)
Clock Accuracy Daily Timing Error (-25℃~ +60℃)	＜1s/d
Battery Capacity	＞1200mAh
Data Retention Time after Power Failure	≥10years

Ideal for industrial and commercial environments, such as factories, power distribution systems, and smart grids, where precise energy management is critical.

1. What types of energy does the LY-DTS energy meter measure?

The LY-DTS energy meter measures both active and reactive energy, supports multi-rate functionality, and provides four-quadrant measurements for comprehensive power monitoring.

2. Does the energy meter support remote monitoring?

Yes, the LY-DTS energy meter is equipped with RS485 and infrared communication interfaces, enabling remote monitoring and integration with centralized energy management systems.

3. What is the accuracy level of the LY-DTS energy meter?

The LY-DTS energy meter has a high accuracy rating of Class 0.2S for active energy and Class 2 for reactive energy, ensuring precise power consumption data.

4. Can the energy meter operate in harsh industrial environments?

Absolutely. The LY-DTS energy meter is designed with high electromagnetic compatibility, robust temperature adaptability, and low power consumption, making it reliable in challenging industrial conditions.

5. What happens to stored data during a power outage?

The LY-DTS energy meter includes non-volatile memory to securely store data and maintain the clock during power outages, ensuring uninterrupted data integrity.