产品特点 Product features

• 测量三相电网所有电量U、I、P、Q、S、PF、F 等，并可进行需量统计；

• 测量电力网络中电压、电流的2 ～ 31 次谐波含有率、总谐波畸变率THD；

• 测量电力网络的电压、电流正序、负序、零序，不平衡度，电压波峰系数、电流百分含量等电网质量参数

• 提供两路有功电能，无功电能脉冲输出；

• 标配RS-485 通讯接口，工业标准ModBus 通讯协议，

• 可选配1-4 路开关输入功能，采用于接点电阻信号输入方法；

• 可选配1-4 路继电器的开关i 输出功能，

• 可选配1-4 路模拟量变送输出4-20mNO-20mA 或1-5V/0-5V，

• 可实现电压、电流的相序判断，断相检测等功能；

• 大屏幕液晶显示；

• ISOE 事件记录功能( 上电、掉电、清零、清需量、编程、校时事件)；

• UIPQ 需量记录最大值发生时间的数据。

• Measures all electrical parameters of a three-phase power network including U, I, P, Q, S, PF, F, etc., and can perform demand statistics;

• Measures the 2nd to 31st harmonic content and total harmonic distortion (THD) of voltage and current in the power network;

• Measures voltage and current positive sequence, negative sequence, zero sequence, unbalance, voltage crest factor, current percentage content, and other power quality parameters of the network;

• Provides two channels of active energy and reactive energy pulse output;

• Standard RS-485 communication interface, industrial standard ModBus communication protocol;

• Optional 1-4 channel switch input function, using contact resistance signal input method;

• Optional 1-4 channel relay switch output function;

• Optional 1-4 channel analog output 4-20mA, NO-20mA, or 1-5V/0-5V;

• Can realize voltage and current phase sequence determination, phase loss detection, and other functions;

• Large screen LCD display;

• ISOE event recording function (power on, power off, reset, clear demand, programming, time synchronization events);

• UIPQ demand recording with maximum value occurrence time data.