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Position:Home >> Products  >> Intelligent Power Monitoring Device  >> Multi Function Monitoring Meter

EM 300 HD-6 Harmonic Meter

EM 300 HD-6 Harmonic Meter

Product description：

●ModBUS-RTU, suitable for SCADA,PLC and such software
● 96*96*84mm big LCD
● Three phase all parameters measurement
● Energy measurement
● Harmonic analysis:2~32 THD
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Function introduction:

 

1.    96*96*84mm big LCD

2.    Three phase all parameters measurement

3.    Positive and negative active/reactive power energy measurement

4.    Max. demand statistics

5.    Voltage and current testing,

6.     V/Amp 2~32 THD and harmonic component testing

7.    ModBUS-RTU, suitable for SCADA,PLC and such software

8.    Support logo customization

Optional:

 

1.    DI: 2 or 4 channels

2.    DO: 2 or 3 channels

3.    AO: 1 channel 4~20mA output

 

ITEMS

DETAILS

Input

Test

Display

Web

3P3L,3P4L Configuration

Voltage

Rated value

AC100V or AC57.7 V Optional

Overload

Measurement:1.2 times, Instantaneous 2 times/1s

Consumption

<1VA  per phase

Impedance

>400kΩ

Precision

RMS measurement  Precision ±0.2%

Current

Rated value

AC5A or AC1A

Overload

Continued 1.2 times   Instantaneous 10 times/5s

Consumption

<0.4VA per phase

Impedance

<20mΩ

Precision

RMS measurement  Precision ±0.2%

Frequency

40~60Hz  Precision ±0.02Hz

Display

LCD display

Modbus communication to change the display interface

Power

Active/reactive power, apparent power, accuracy +/-0.5%

Energy

Total absolute value active/reactive, input absolute value energy active/reactive, output absolute value energy active/reactive

Energy impulse

2 channels

Harmonic

THDV+/-0.5%;Current THD +/-0.5%

Clock

<0.5s/d

Leak monitoring

Input range:0000Ma,a;alarming value:30~1000Ma,adjust steps 1mA

Digital input

Input

Opto-isolator, Passive idle contact input

Isolation Voltage

2500Vrms

Digital output

Output

Mechanical contact(passive)

Voltage

Max.:AC250V  DC30V

Current

Max.:5A

Communication

Interface

RS485

Protocol

ModBUS-RTU

Baud rate

2400~9600bps

Default 9600bps

Working power

Working voltage

AC:85V～265V or DC:100V～360V

Power consumption

≤2VA

Work environment

Work temperature

-20℃～55℃

Storage temperature

-40℃～85℃

Humidity

0～93％ non-condensate

Safe

Insulating strength

Isolation resistance:>100 MΩ

Withstand voltage: 2kV 1 min.