Service Description:
Comply with the 2020 version of the enterprise standard for three-phase cost controlled intelligent energy meters issued by State Grid Corporation of China
Time sharing metering of active and reactive energy, capable of storing 13 months of historical electricity data
Record the maximum demand and occurrence time
Switching between the current set and the backup set with a maximum rate of 12
Support the transmission and display of electrical energy data with 2-digit and 4-digit decimals in phase combination
Multiple backup storage of key data such as battery level and clock
It can record frozen data such as minute freezing, hour freezing, day freezing, etc
Support for large capacity data storage function, facilitating data traceability management
Support zero line measurement function
Support active reporting of power outages and events
Support for external switch status detection function
Communication method configuration:
Basic configuration: 1 RS485 and 1 far-infrared communication interface each, with each physical communication port independent of each other
Optional configuration: 1-channel communication module interface, optional carrier, 4G, micro power wireless communication module
The cost control function is optional:
Local cost control: The electricity meter comes with an IC card port, supporting IC card electricity purchase and communication remote electricity purchase
| Technical Parameters | Contents |
| Model | DTZY341-Z/J/G、DSZY331-G/J DTZY341C-Z/G/J、 DSZY331C-G/J、DSZ331/DTZ341 |
| Accuracy level | Active Level D, C, B Reactive Level 2 |
| Reference voltage | 3×57.7/100V、 3×100V 、3×220/380V |
| Working voltage | 0.8Unom～1.15Unom |
| Current | Transformer connection：0.003-0.015(1.2)A 0.015-0.075(6)A |
| Working temperature | -25℃～+60℃ |
| Working temperature limit | -40℃～+70℃ |
| Frequency | 50Hz±2.5Hz |
| Static power consumption | ≤1.5W ≤6VA |
| Electricity meter protocol | DL/T698.45-2017 |
| Design life | ≥16 Years |
| Dmensions | 290mm×170mm×85mm |