The DTZY1122-Z three‑phase intelligent electricity meter manual provides an overview, functions, technical parameters and communication specifications.
The DTZY1122-Z three‑phase intelligent electricity meter is designed with large‑scale integrated circuits, digital sampling processing technology and SMT manufacturing. It consists of measurement, data processing, communication and ESAM modules, offering energy measurement, data storage, real‑time monitoring, automatic control, information exchange and load control functions.
The manual lists technical parameters such as normal operating voltage (0.8Un‑1.1Un), line power loss (≤1.5W), current line loss (≤0.4VA), clock battery voltage (3.6V DC), and communication interfaces including RS485 (1200‑9600 bps), power‑line carrier (1200‑9600 bps) and infrared (1200 bps). Physical dimensions are 290 mm × 170 mm × 85 mm, weight ≤3.0 kg, with indoor temperature range –10 °C to 45 °C and outdoor –25 °C to 60 °C. This manual is written in Chinese.
| Normal operating voltage | 0.8Un‑1.1Un |
|---|---|
| Voltage line power loss | ≤1.5W、6V A |
| Current line power loss | ≤0.4V A |
| Clock battery voltage | 3.6V DC |
| Stop‑power display battery voltage | 6.0V DC |
| Active power accuracy class | 0.5S级, 1级 |
| Rated frequency | 50 Hz |
| RS485 communication baud rate | 1200‑9600 bps |
| Dimensions (W×H×D) | 290 mm × 170 mm × 85 mm |
| Weight | ≤3.0 kg |
Up to 14 rate periods can be set.
The active power accuracy class is 0.5S and 1.