DEM4A Series Single Phase Power Meter

Short Description:

The DEM4A Series Digital Power Meter works directly connected to a maximum load 100A AC circuit This meter will be applied the MID B&D Certified by SGS UK, proving both it’s accuracy and quality. This certification allows this model to be used for any sub-billing application

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Product Detail

Technical Parameters

Meter Series Details

LCD Display layout

Different values with different indicators

Description

DEM4A009

DEM4A00B/10B

A Impulse indication for active energy

B Impulse indication for reactive energy

C Far IR

D Button for data checking

E Button for data setting

F SO1 output for active energy (default)

G SO2 output for reactive energy (default)

H LCD screen

I Impulse indication for active energy

J Impulse indication for reactive energy

K Far IR

L Button for data checking

M Button for data setting

N SO1 output for active energy (default)

O SO2 output for reactive energy (default)

P RS485 output

Q LCD screen

DEM4A20B/30B

A LCD screen

B Impulse indication for active energy

C Impulse indication for reactive energy

D SO output

E Optical port

F External Signal input

G Left Button for data checking

H RS485 output

I Right button for data checking and data setting

Meter Dimensions

Wiring Connection

DEM4A009

Note: 15 16:SO1 is SO output for kWh or Active/reactive forward kWh optional
17 18:SO2 is SO output for kvarh or Active/reactive reverse kWh optional

DEM4A00B/10B

Note:
15 16:SO1 is SO output for kWh or Active/reactive forward kWh optional
17 18:SO2 is SO output for kvarh or Active/reactive reverse kWh optional
19 20:RS485 output

DEM4A20B/30B

Note:
15 16: SO is SO output for kWh
17 18: for external signal input ,important notice :no high voltage input !
19 20: RS485 output

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Content	Parameters
Standard	EN50470-1/3
Rated Voltage	3*230(400)V
Rated Current	0,25-5(30)A,0,25-5(32)A,0,25-5(40)A,0,25-5(45)A, 0,25-5(50)A,0,25-5(60)A, 0,5-10(80)A,0,5-10(100)A
Impulse Constant	1000imp/kWh(LED) 1000imp/kvarh(LED)
Frequency	50Hz
Accuracy Class	B
LCD Display	LCD 6+2 = 999999.99kWh
Working Temperature	-40～70℃
Storage Temperature	-40~70℃
Power Consumption	<12VA <1W
Average Humidity	≤75% (Non Condensing)
Maximum Humidity	≤95%
Start Current	0.004Ib
Case Protection	IP51 indoor

Type	DEM4A009	DEM4A00B	DEM4A10B	DEM4A20B	DEM4A30B
Software Version	V301	V301	V301	V301	V301
CRC	708A	5B61	2B60	5B61	2B60
Impulse Constant	1000imp/kWh 1000imp/kvarh	1000imp/kWh 1000imp/kvarh	1000imp/kWh 1000imp/kvarh	1000imp/kWh 1000imp/kvarh	1000imp/kWh 1000imp/kvarh
Communication	IR	IR,RS485 Modbus/DLT645	IR,RS485 Modbus/DLT645	IR,RS485 Modbus/DLT645	IR,RS485 Modbus/DLT645
Baud rate	N/A	960019200 38400115200	960019200 38400115200	960019200 38400115200	960019200 38400115200
SO output	SO1 is SO output for kWh(default) or Active/reactive forward kWh optional with variable constantDivisible by 96000	SO1 is SO output for kWh(default) or Active/reactive forward kWh optional with variable constantDivisible by 96000	SO1 is SO output for kWh(default) or Active/reactive forward kWh optional with variable constantDivisible by 96000	SO output for Active kWh with variable constantDivisible by 96000	SO output for Active kWh with variable constantDivisible by 96000
SO output	SO2 is SO output for kvarh (default) or Active/reactive reverse kWh optionalwith variable constant Divisible by 96000	SO2 is SO output for kvarh (default) or Active/reactive reverse kWh optionalwith variable constant Divisible by 96000	SO2 is SO output for kvarh (default) or Active/reactive reverse kWh optionalwith variable constant Divisible by 96000	Signal input port	Signal input port
Pulse width	Changeable pulse width according to current, the bigger the current the shorter the pulse width
Backlight	Blue	Blue	Blue	Blue	Blue
Li-Battery	N/A	N/A	YES	N/A	YES
Multi-tariff	N/A	N/A	YES	N/A	YES
Measurement Mode	1.total =forward 2.Total=reverse 3.Total =forward +reverse (default) 4.Total=Forward-Reverse
Button	Touch button	Touch button	Touch button	Touch button	Touch button
Button function	Left button:Page turning, Right button: Page turning,setting information display
Default setting	1000imp/kWh 1000imp/kvarh	1000imp/kWh 1000imp/kvarh 9600/NONE /8/1	1000imp/kWh 1000imp/kvarh 9600/NONE /8/1	1000imp/kWh 9600/NONE /8/1	1000imp/kWh 9600/NONE /8/1
Measurement Mode setting	Button	RS485 or Button	RS485 or Button	RS485 or Button	RS485 or Button