UL认证电能表

四象限电能、四象限无功电能、分相电能、视在电能、复费率电能

Four-quadrant energy、Four - quadrant reactive electric energy、Split phase electricity、Apparent energy、Multi-rate energy

脉冲输出

Pulse output

总有功、总无功电能脉冲输出

Total active power, total reactive power electrical energy pulse output

需量

Demand

三相电流、有功功率、无功功率、视在功率实时需量及最大需量(包含时间戳)，上月最大需量(包含时间戳)

Three-phase current, active power, reactive power, apparent power real-time demand and maximum demand (including timestamp), last month's maximum demand (including timestamp).

极值统计

Extreme

value statistics

电流、线电压、相电压、有功功率、无功功率等电参量本月极值和上月极值(包含时间戳)

Current, line voltage, phase voltage, active power, reactive power and other electrical parameters extreme values of this month and last month (including time stamps)

电能质量

Power quality

电流、线电压、相电压不平衡度

Unbalance of current, line voltage, phase voltage

电压相间角度、电流相间角度

Voltage phase angle, current phase angle

电压电流总(奇、偶)谐波含量

Total (odd, even) harmonic content of voltage and current

电压电流分次谐波(2-63次)含量

Harmonic content of voltage and current (2-63 times)

电压波峰系数

Voltage peak coefficient

电话波形因子

Telephone waveform factor

电流K系数

Current K-factor

矢量图

Vector

电压、电流实时波形

Voltage and current waveform

基波电压、基波电流、基波功率因素

Fundamental voltage ,current and power factor

电压偏差、频率偏差

Voltage deviation, frequency deviation

正序、负序、零序电压

Positive - sequence voltage, negative - sequence voltage, zero - sequence voltage

正序、负序、零序电流

Positive - sequence current, negative - sequence current, zero - sequence current

冻结电能

Frozen electric energy

24时冻结电能、31日冻结电能、12月冻结电能、定时冻结电能

24 - hour frozen electric energy, 31 - day frozen electric energy, December frozen electric energy, regular - time frozen electric energy

事件记录

Event logging

DIDO记录，可记录最近128条DIDO记录

DIDO records, which can record the last 128 DID records

报警记录

Alarm logging

可记录最近128条报警记录

The last 128 alarm records can be recorded

通讯

Communication

Modbus - RTU协议、DL/T 645-2007规约

Modbus - RTU protocol, DL/T 645-2007 statute

选配功能

Optional features

4路开关量输入，2路开关量输出

4-channel digital input and 2-channel digital output

2路模拟量输出，4-20mA

2 channels of analog output, 4-20mA

扩展第二路RS485通讯,Modbus - RTU协议

Expand the second RS485 communication channel with Modbus - RTU protocol

扩展以太网通讯，MODBUS-TCP协议，FTP协议

Expand Ethernet communication with the MODBUS-TCP protocol，FTP protocol

电压
Voltage

额定电压

（UL、CE）
Rated voltage（UL、CE）

66V AC L-N   115V AC L-L

230V AC L-N  400V AC L-L

277V AC L-N  480V AC L-L

400V AC L-N  690V AC L-L

额定电压（CPA）
Rated voltage

（CPA）

三相三线

3P3L

三相四线

3P4L

3x100V

3x380V

3x690V

3x57.7/100V

3x220/380V

3x400/690V

过负荷
Overload

1.2 倍额定值（连续）
1.2 times rating (continuous)

2 倍额定值持续 1 秒

2 times the rating for 1 second

功耗
Power consumption

<1VA

精度等级
Accuracy class

误差±0.2%
Error ±0.2%

电流
Current

额定电流

（UL、CE）
Rated current（UL、CE）

1A、5A

额定电流

（CPA）
Rated current

（CPA）

0.015-0.075（6）A（有功电能Active energy）

3X1(6)A（无功电能Reactive energy）

过负荷
Overload

1.2 倍额定值（连续）
1.2 times rating (continuous)

10 倍额定值持续 1 秒
10 times the rating for 1 second

功耗
Power consumption

<0.2VA

精度等级
Accuracy class

误差±0.2%
Error ±0.2%

功率
Power

有功、无功、视在功率，误差±0.2%
Active, reactive, apparent power, error ±0.2%

电网频率
Grid frequency

UL、CE

50Hz/60Hz，误差±0.2%
50Hz/60Hz, error ±0.2%

CPA

50Hz，误差±0.2% 

50Hz，error ±0.2%

响应速率
Response rate

≤200ms（电压、电流、功率）
≤200ms (voltage, current, power)

≤1s（电能）
≤1s (electrical energy)

测量类别

Measurement category

66ULN(＋20%)   115ULL(＋20%) CATⅢ

230ULN(＋20%)  400ULL(＋20%) CATⅢ

277ULN(＋20%)  480ULL(＋20%) CATⅢ

400ULN(＋20%)  690ULL(＋20%) CATⅡ

计量
Metering

电能
Electric energy

有功电能：D级

Active energy ：Class D

无功电能（准确度等级2级）
Reactive energy (Class 2 accuracy)

辅助电源Auxiliary power supply

AC/DC 85-300V

电磁兼容
electromagnetic compatibility

静电放电抗扰度 IV 级
Electrostatic discharge immunity class IV

电快速瞬变脉冲群抗扰度 IV 级
Electrical fast transient burst immunity class IV

浪涌(冲击)抗扰度 IV 级
Surge (shock) immunity Class IV

安全性
Security

工频耐压
Power frequency withstand voltage

通信与信号输入之间 AC4kV 1min
Between communication and signal input, AC4kV 1min

绝缘电阻
Insulation resistance

输入、输出端对机壳>100MΩ
Input and output terminals to casing >100MΩ

通信
Communication

接口与通信规约
Interface and communication protocol

RS485口、Modbus RTU规约
RS485 interface and Modbus RTU protocol

通信地址范围
Communication address range

Modbus RTU:1~ 247；

波特率
Baud rate

支持1200bps-38400bps
Support 1200bps-38400bps

环境
Environment

工作温度
Operating temperature

-40℃～+70℃

储存温度
Storage temperature

-40℃～+80℃

相对湿度
Relative humidity

≤95%（无凝露）
≤95% (without condensation)

海拔高度
Altitude

≤2000m

≥2000m，≤5000m（仅用于电源AC/DC85-265V，电压277/480V 以下）

≥2000m，≤5000mOnly applicable to the power supply with the voltage range of AC/DC 85-265V and the voltage below 277/480V.

安装环境

Installation environment

Indoor use

污染等级

Pollution degree

Class 2