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DM72-PQH Three Phase Digital Combination Meter

Basic Info

Model No.: DM72-PQH

Product Description

Specifications 1. Professional manufacturer

2. High quality approval, competitive price

3.Can programm

4.Range In: -9999~9999

5.ISO9001 C

Description:     Intelligent digital instrument be used in electricity grids , automation control system to measure voltage ,current ,active power,reactive power , apparent power, power factor and frequency.They are displayed by LED or LCD. Visual display , High accuracy, Reliable performance, Strong isolation, Anti-Vibration.     Performance Characteristics     High-precision measure three-phase voltage,three-phase current,active power,reactive power ,apparent power,power factor ,frequency.   LED or LCD display , Local data query   Current Conversion Ratio is programmable.   Support RS-485 communication Modbus-RTU treaty.   Support DI DO AO   Auxiliary Power Supply :AC/DC 80V-270V, AC220V,AC380V,AC100V   Various shape can be choosed.            

Accuracy of measurement

Voltage

0.5 degree

Current

0.5 degree

Active power

0.5 degree

Reactive power

0.5 degree

Power factor

0.5 degree

Frequecy

±0.02Hz

 

 

Signal Input

Mode of connection

single-phase ,three-phase three-wire,three-phase four-wire

Rated voltage

AC57.7V ,AC 100V,AC220V,AC380V

Rated current

AC1A ,AC5A

Overload

Voltage:1.2 times 2 times /1 second(instantaneous)

 

Current:1.2 times 10 times /5 second(instantaneous)

Power dissipation

Voltage:less than 1VA/phase ;Current :less than 0.4VA/phase

Impedance

Voltage:more than 300kΩ:Current:Less than 20mΩ

Frequency

45-65Hz

 

 

APS

 

Operating Range

AC/DC 80V-270V ,AC220V,AC380V,AC100V,DC48V,DC24V

Power dissipation

Less than 4VA

 

 

Function Module

 

Communication interface

No. 1 RS-485 communications,Modbus-RTU treaty

 

Baud rate:1200-9600bps ,the default value is 2400bps

DI

support 4 dry contacts

DO

support 3 relay output,capacity AC250V/5A DC30V5A

Transmitting Output

support 1 AO :0/4-20mA or 0-5/10V

 

 

Environment

 

Working environment

-10°C- +55°C

Storage Temperature

-25°C- +70°C

Relative Humidity

93%, No corrosive gas places

Altitude

2500m

 

 

Security

 

Insulation Resistance

>100mΩ

ACW

AC 2KV

 

 

EMC

 

ESD

grade 4

EFT

grade 4

Surge impact

grade 4

 

 

Dimension

 

Frame dimension

120*120; 80*80; 96*48; 96*96; 80*80; 48*48; 120*60; 160*80

Hole dimension

111*111; 76*76; 92*45; 92*92; 68*68; 45*45; 114*56; 152*76

      Instruction book   Terminal diagram         The wiring diagram      

 

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