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Position:Home >> Products  >> Intelligent Power Monitoring Device  >> Multifunction Network Power Meter

EM 300A-1 Series Ultrathin Power Meter

EM 300A-1 Series Ultrathin Power Meter

Product description：

● 96*96*60mm Ultrathin more suitable for panel mounted
● LCD screen
● All power parameters testing
● DI/DO
● Data record and analysis
● Over-limit alarm
● Accuracy +/-0.2%
● Support logo customization
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Function introduction:

 

96X96X60 MM LCD intelligent network power meter

    1. All Three Phase Power parameter Measurement  (U/I/P/Q/S/F/PF)
    2. Energy Consumption Statistics Analysis:Energy testing(active/reactive);Positive/negative active &reactive energy;Four Quadrant Energy;Multi-Rates Statistics
    3. Data record:Max.& Min. Value Statistics;SOE Record;Built-In Clock
    4. Data analysis:Three-Phase Unbalance Degree;Demand Analysis
    5. Off-limit alarming system
    6. IO
    7. Power energy Quality:THD（Voltage/current）;THD（Odd/Even）;2~31Harmonics Ratio
    8. RS 485,MODBUS-RTU

Optional:

  • 4~20mA AO
  • Communication: PROFIBUS-DP
  • Electric leakage monitoring: 1 channel

 

  

FUNCTION FEATURE

DETAILS

-1AY

-1BY

-1CY

Measurement

All Three Phase Power parameter Measurement  (U/I/P/Q/S/F/PF)

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●

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IO Function

Digital Input（DI）

2

2

4

Relay Output（DO）

2

Communicating network

RS485

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●

●

Energy Consumption Statistics Analysis

Energy testing(active/reactive)

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●

Positive/negative active &reactive energy

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Four Quadrant Energy

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Multi-Rates Statistics

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Data Record

Max.& Min. Value Statistics

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SOE Record

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Built-In Clock

●

●

Data Analysis

Three-Phase Unbalance Degree

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Demand Analysis

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Miscellaneous Function

Out-of-limit style

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Power Quality

THD（Voltage/current）

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THD（Odd/Even）

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Sub-Frequency Harmonics Ratio

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ITEMS

DETAILS

Input

Test

Display

Web

3P3L,3P4L Configuration

Voltage

Rated value

AC400V or AC100V Optional

Overload

Measurement:1.2 times, Instantaneous 2 times/10s

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/10s

Consumption

<0.4VA per phase

Impedance

<20mΩ

Precision

RMS measurement  Precision ±0.2%

Frequency

40~60Hz  Precision ±0.02Hz

Power

Active power, reactive power, apparent power Precision ±0.5%

Energy

l Total active energy absolute

l Total reactive energy absolute

l Input active energy absolute

l Input reactive energy absolute

l Output active energy absolute

l Output reactive energy absolute

l 4 quadrants reactive energy

l Precision active-energy ±0.5%,reactive-energy ±1%

Display

l LCD display

l Modbus communication to change the display interface

Digital input

Input

2-ch input, Opto-coupler isolation

Isolation Voltage

2500Vrms

Comm.

Interface

RS485

Protocol

ModBUS-RTU

Baud rate

2400/4800/9600/19200bps

Odd parity check, even parity check, none parity check

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

0～95％ non-condensate

Safe

Insulating strength

Between input/output/hull/power supply:

2kV Acrms，1 min.

Dimension weight

Size

96mm×96mm×60 mm

Weight

0.4kg

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