YTL DEM1A Din-Rail 1P one wire Multi-tariff CE Certificate solar energy products Company

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DEM1A

YTL DEM1A Din-Rail 1P one wire Multi-tariff CE Certificate solar energy products

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The DEM1A Series Digital Power Meter works directly connected to a maximum load 100A AC circuit

This meter has been 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.

DEM1A001: Basic Type，no communication ，SO output (variable constant),with different measurements way

DEM1A002: RS485 MODBUS/DLT645 dual protocol with different measurements way

DEM1A102: RS485 MODBUS/DLT645 dual protocol, Multi-tariff function,with different measurements way

More options to meet different requirements from market !

TechnicalParameters
Description
ConnectlonDiagram
MeterDimensions
ImpulseConnection

DEM1A001

Note: 23:SO1 is SO output for kWh or Active/reactive forward kWh optional

24:SO2 is SO output for kvarh or Active/reactive reverse kWh optional

25:G is for GND

For Neutral wire, you can connect one N port and connect both.

DEM1A002/102

Note: 23.24.25 is for A+, G, B-.

If the RS485 communication converter doesn’t have G port, no need to connect.

For Neutral wire, you can connect one N port and connect both.
Height 90mm

Width 18mm

Depth 72mm
It requires an experienced electrician or professional to install energy meter, and the user guide shall be completely read;

During the installation process, if the meter case has obvious damage marks caused by a violent impact or fall, please do not install, or power up, and please promptly contact with us;

The energy meter is inspected before leaving the factory and can be installed and used directly; The meter should be installed in an indoor or outdoor meter box.The mounting base shall be fixed on a sturdy and refractory wall without corrosive gas in the air;

The mounting base shall be fixed on a sturdy and refractory wall with no corrosive gas in the air; The meter shall be wired according to the wiring diagram on terminal case, preferably by copper wire or copper wiring head.

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Applications

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Voltage:	220V
Current:	5(100)A
Accuracy class:	Active0.5，Reactive 1.0
Standard:	IEC62052-11, IEC62053-21
Frequency:	50Hz
Impulse constant:	1600imp/kWh
Display:	LCD5+1
Power consumption:	≤8VA ≤0.4W
Starting current:	0.002Ib
Temperature range:	-20～70℃
Flashing red:	Impulse indication，width=80ms
Average humidity value of year:	75%
Maximal humidity value:	95%

Type	DEM1A001	DEM1A002	DEM1A102
Software Version	V101	V101	V101
CRC	5A8E	B6C9	6B8D
Impulse Constant	1000imp/kWh	1000imp/kWh	1000imp/kWh
Communication	N/A	RS485 Modbus/DLT645	RS485 Modbus/DLT645
Baud rate	N/A	9600\19200\38400\115200	9600\19200\38400\115200
SO output	SO1 is SO output for kWh(default) or Active/reactive forward kWh optional with variable constant 100-2500imp/kWh Divisible by 10000	N/A	N/A
SO output	SO2 is SO output for kvarh (default) or Active/reactive reverse kWh optional with variable constant 100-2500imp/kvarh Divisible by 10000	N/A	N/A
Pulse width	SO:100-1000:100ms SO:1250-2500:30ms	N/A	N/A
Backlight	Blue	Blue	Blue
Li-Battery	N/A	N/A	YES
Multi-tariff	N/A	N/A	YES
Measurement Mode	1-total =forward 2-Total=reverse 3-Total =forward +reverse (default) 4-Total=Forward-Reverse	1-total =forward 2-Total=reverse 3-Total =forward +reverse (default) 4-Total=Forward-Reverse	1-total =forward 2-Total=reverse 3-Total =forward +reverse (default) 4-Total=Forward-Reverse
Button	Touch button	Touch button	Touch button
Button function	Page turning, setting, information display	Page turning, setting, information display	Page turning, setting, information display
Default setting	1000imp/kWh,100ms 1000imp/kvarh,100ms	9600/NONE /8/1	9600/NONE /8/1
Measurement Mode setting	Button	RS485 or Button	RS485 or Button

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