Three Phase LCD Multiple Power Meter

Feature

Measure single phase voltage, signle phase current, active power, reactive power, apparent power, power factor and frequency with high-precision.

Measure forward and reverse active/reactive energy.

Measure and timing read time of use energy.

Measure total harmonic distortion (THD) and 2-31times odd harmonic components of single phase voltage and single

phase current.

Provide LED display and local data query.

Visual menus, buttons easy to operate.

Programmable current and voltage transformation ratio.

Provide multiloop leakage current monitoring

Provide multiloop control nodes for alarm and trip control

Support the fire alarm and control to cut off power supply of failure point remotely

Support RS-485 communications and Modbus-RTU protocol.

Supportdigital input, digital output, analog transmission output and energy pulse output.

Easy installation, simple wiring, small quantities.

Wide range of AC/DC universal power supply: AC / DC 80V~270V

Can complete a variety of communication software network in SCADA and PLC.

Technical Index

Accuracy Measurement

  current

 class 0.5

Voltage

 class 0.5

active power

 class 0.5

reactive power

 class 0.5

power factor

 class 0.5

frequency

   ±0. 02Hz

active Energy

 class 0.5/class 0.2

reactive Energy

 class 1.0/class 2.0

Input Measurement

Wiring

single-phase

Rated current

AC 1A,AC 5A

Rated voltage

AC 57.7V,AC 100V,AC 220V,AC 380V

Overload

Voltage:Sustained:1.2times;Instantaneous:2times/1s

Current:Sustained: 1.2 times; Instantaneous: 10 times/ 5s

Power consumption

Voltage: <1VA (per phase),Current: <0.4VA (per phase)

Impedance

Voltage: >300KΩ , Current: <20mΩ

Frequency

45~65Hz

Power supply

Working range

AC/DC 80V~270V

Power consumption

<4VA

Functional Module

Communication interface

1 loop RS-485 Communication, MODBUS-RTU protocol

Baud rate: 2400 ~ 19200bps, Default: 2400bps

Switching value input

4 loops switching value input, dry joint

Switching value output

3 loops relay output, capability: AC 250V/5A,DC 30V/5A

Transmission output

1 loops analog output: 0/4~20 mA or 0~5/10 V

Energy pulse output

2 loops energy pulse output, constant: 8000

Environment

Operational environment

-10ºC~+55ºC

Storage environment

-25ºC~ +70ºC

Relative humidity

≤93 %,in the place without corrosive gas

Height above sea level

≤2500m

Safety

Insulation resistance

> 100MΩ

AC withstand voltage

AC 2KV

Electro Magnetic Compatibility

Electro-Static discharge

class 4

Electrical Fast 

Transient pulse train

class 4

Electrical surge

class 4

Outline Dimension

External Dimension( mm )

120×120;80×80;96×48;96×96;72×72;48×48;120x60;160x80

Cutout Dimension( mm )

111×111;76×76;92×45;92×92;68×68;45×45;114x56;152x7

Model

Function

Measurement

Extended Function(Optional)

Display

Cutout 

Dimension 

( mm )

External 

Dimension

( mm )

3-phase electric

parameters

Multi-rate

Harmonic 

Fire monitoring

Switch 

input 

Switch 

output

Transmission 

output

Communication

 interface

LED

LCD

DM-3E2

√

-

-

-

4

4

4

2

√

-

111X111

120x120

DM-3E2Y

√

-

-

-

4

4

4

2

-

√

DM-3FE2Y

√

√

-

-

4

4

4

2

-

√

DM-3HE2Y

√

-

√

-

4

4

4

2

-

√

DM-3LE2

√

-

-

√

4

-

-

2

√

-

DM-3LE2Y

√

-

-

√

4

-

-

2

-

√

DM-3FHE2Y

√

√

√

-

4

4

4

2

-

√

DM-3E3

√

-

-

-

4

4

4

2

√

-

92X92

96×96

DM-3E3Y

√

-

-

-

4

4

4

2

-

√

DM-3FE3Y

√

√

-

-

4

4

4

2

-

√

DM-3HE3Y

√

-

√

-

4

4

4

2

-

√

DM-3LE3

√

-

-

√

4

-

-

2

√

-

DM-3LE3Y

√

-

-

√

4

-

-

2

-

√

DM-3FHE3Y

√

√

√

-

4

4

4

2

-

√

DM-3E7

√

-

-

-

-

-

-

1

√

-

76×76

80×80

DM-3E7Y

√

-

-

-

-

-

-

1

-

√

DM-3E6

√

-

-

-

-

-

-

1

√

-

68X68

72×72

DM-3E6Y

√

-

-

-

-

-

-

1

-

√

DM-3E8

√

-

-

-

-

-

-

1

√

-

45×45

48×48

  Note: The number of optional extended functions would be the maximum number we can extend in normal conditions.

         If you have any special request, please contact with our technical department.