多功能谐波仪表

    MDTER系列仪表主要应用于工矿企业、石油化工、钢铁冶金、轨道交通、公用设施、智能建筑等领域。具有2-31次谐波测量功能和48时段4费率的分时计量功能,能高精度的测量所有常用的电力参数,如三相电压、电流、有功功率、无功功率、频率、功率因数、四象限电度等。

MDTER series instruments are mainly used in industrial and mining enterprises, petrochemicals, steel and metallurgy, rail transit, public facilities, intelligent buildings and other fields. With time-division measurement function with 2-31 harmonic measurement function and 8-period 4 rate, it can measure all common power parameters with high precision, such as three-phase voltage, current, active power, reactive power, frequency and power factor. Four quadrants, etc.

谐波监测     功能齐全     体积小巧     接线方便


技术参数

工作电源

交直流:85V~310V 或者交流:186V~264V,功耗<2W

Working power

AC/DC: 85V~310V or AC: 186V~264V, power consumption   <2W

电流输入

额定输入5A,******测量为1.2×In

Rs485通讯波特率

1200、2400、4800、9600bps

Current input

Rated input 5A, maximum measurement is 1.2×In

Rs485 communication baud rate

1200、2400、4800、9600bps

电压输入

额定输入0-450V,******测量660V

Rs485节点容量

32

Voltage input

Rated input 0-450V, maximum measurement 660V

Rs485 node capacity

32

显示屏

LCD或者LED显示

Rs485通讯协议

MODBUS-RTU 响应时间:20ms

Display

LCD or LED display

Rs485 communication protocol

MODBUS-RTU response time: 20ms

防护等级

面板IP50,壳体IP20

测量精度

U、I   0.2/0.5S,P、PF、EP 0.5/1.0S,Q、S、EQ 2.0S,F 0.02Hz,H  B级

Protection level

Panel IP50, housing Ip20

Measurement accuracy

U, I 0.2/0.5S, P, PF, EP 0.5/1.0S, Q,S, EQ 2.0S, F   0.02Hz, H B grade

安装方式

面板安装,符合标准DIN尺寸

环境温度

-25℃~+55℃

Installation method

Panel mounted to standard DIN size

Ambient temperature

-25℃~+55℃

开关量输入

4路,无源干节点隔离输入,隔离电压1500VDC,3-4路可设置为脉冲计数,内部带24V直流电源激励, 采集分辨率≤2ms

Switch input

4 channels, passive dry node isolation input, isolation   voltage 1500VDC, 3-4 channels can be set to pulse counting, internal with 24V   DC power supply excitation, acquisition resolution ≤ 2ms

继电器输出

2路输出,触点容量为5A/30VDC或者5A/250VAC,输出方式:保持输出或者状态输出

Relay output

2 output, contact capacity is 5A/30VDC or 5A/250VAC,   output mode: keep output or status output

模拟量输出

直流4-20mA,负载电阻≤600欧姆 精度等级为1级,可关联U I F P Q S   P f 等

Analog output

DC 4-20mA, load resistance ≤600 ohms Accuracy class is 1   level, can be associated with U I F P Q S P f

脉冲输出

脉冲常数为5000imp/kWh和5000imp/kvarh,脉冲宽度为100ms

Pulse output

The pulse constant is 5000imp/kWh and 5000imp/kvarh, and   the pulse width is 100ms.


主要功能

测量功能

U、Us、Ua、Ub、Uc,Uab、Ucb,I、Is、Ia、Ib、Ic、I0,Pa、Pb、Pc、Psum,Qa、Qb、Qc、Qsum,Sa、Sb、Sc、S,Pfa、Pfb、Pfc、Pf,F

Measuring

输入输出

I/O,,4-20ma直流变送输出,电能脉冲输出、计数

I/O

I/O, 4-20ma DC transmission output, energy pulse output,   counting

谐波监测

奇次、偶次、总畸变率,2-31次谐波

计量功能

|WH||varH|,+WH、-WH,+varH、-varH,QⅤ

Harmonic

Odd, even, total distortion rate, 2-31 harmonic

Metering

统计功能

+WH、-WH,+varH、-varH******需量、电参量越限告警、极值统计以及发生的时间

通讯功能

Rs485通讯接口 ,通讯规约MODBUS-RTU

Statistics

+WH, -WH, +varH, -varH maximum demand, electrical   parameter violation limit alarm, extreme value statistics, and time of   occurrence

Communication

Rs485 communication interface, communication protocol   MODBUS-RTU


产品选型

品牌代码

-

相数

功能

尺寸

显示

Brand code

-

Phase

Features

size

Display

MDTER

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m:多功能Multifunction



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t:三相Three   phase

h:谐波监测Harmonic detection

72:72*72

lcd:液晶

-

s:单相single-phase

i:电流Current

96:96*96

led:数码管

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u:电压Voltage