RS485 Communication Multi-Function Smallest DC Watt hour meter Suppliers

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DEM2D

RS485 Communication Multi-Function Smallest DC Watt hour meter

DC meters DEM2D seriesfrom YTL metering, mesuring voltage range 5-1000VDC,double sections din rail installation. Using the current sampling method of the shunt, an external shunt with corresponding current specifications can be selected according to the actual current size of the site, which is very convenient to use.

TechnicalParameters
Description
ConnectlonDiagram
MeterDimensions
ImpulseConnection
det6

Type	DEM2D002	DEM2D102	DEM2D003	DEM2D103
Voltage input:	DC 5V~1000V	DC 5V~1000V	DC 5V~1000V	DC 5V~1000V
Auxiliary power supply	85~300V AC or 85-300V DC	85~300V AC or 85-300V DC	DC 9-60V	DC 9-60V
Current:	Shunt connection method, the primary side current supports up to 2000A Connection signal :75mV	Shunt connection method, the primary side current supports up to 2000A Connection signal :75mV	Shunt connection method, the primary side current supports up to 2000A Connection signal :75mV	Shunt connection method, the primary side current supports up to 2000A Connection signal :75mV
Accuracy current:	0.5%	0.5%	0.5%	0.5%
Voltage Accuracy	0.5%	0.5%	0.5%	0.5%
Active Power Accuracy	1.0%	1.0%	1.0%	1.0%
Active Accuracy	Class 1.0	Class 1.0	Class 1.0	Class 1.0
Constant:	According to 1000imp/kWh, 1.2 times the maximum voltage and current, the pulse width is 1.2ms, corresponding to the current setting	According to 1000imp/kWh, 1.2 times the maximum voltage and current, the pulse width is 1.2ms, corresponding to the current setting	According to 1000imp/kWh, 1.2 times the maximum voltage and current, the pulse width is 1.2ms, corresponding to the current setting	According to 1000imp/kWh, 1.2 times the maximum voltage and current, the pulse width is 1.2ms, corresponding to the current setting
LCD:	LCD 6+2	LCD 6+2	LCD 6+2	LCD 6+2
Consumption:	≤8VA ≤0.4W	≤8VA ≤0.4W	≤8VA ≤0.4W	≤8VA ≤0.4W
Temperature:	-25～70℃	-25～70℃	-25～70℃	-25～70℃
Humidity:	≤95%	≤95%	≤95%	≤95%
AC withstand voltage	4400V/min	4400V/min	4400V/min	4400V/min
Impulse withstand voltage	6.4kV - 1.2/50µS waveform	6.4kV - 1.2/50µS waveform	6.4kV - 1.2/50µS waveform	6.4kV - 1.2/50µS waveform
Battery	NO	YES	NO	YES
Muti-tariff	NO	YES	NO	YES
Relay	NO	YES	NO	YES

● RS485 communication: used for parameter setting, data reading; DTL645 protocol/Modbus Protocol

● DC metering: using shunt sampling, high measurement accuracy; can measure DC power, current, voltage,

● Alarm function: Over-current alarm: When the current exceeds the CT1 value set by the meter, an alarm event occurs, and the alarm light on the electrical surface panel lights up (yellow light),

At the same time, the value of the corresponding alarm status register will change, and the user can read this register through communication to determine whether an over-current alarm has occurred.

● Display: LCD with backlight ,Support Various parameters display,energy data and Instantaneous parameters

● Firmware upgrade: RS485 local upgrade
DEM2D103：

DEM2D102：

DEM2D002：

DEM2D003：
Height   90mm

Width   36mm

Depth   73mm
The installation of the energy meter requires an experienced electrician or professional and

confirms that this user guide has been read;

During the installation process, if the casing is obviously damaged due to severe impact or

falling, please do not install, power on, and contact us in time;

The electric energy meter has passed the inspection before leaving the factory and is sealed

with lead. It can be installed directly.

The energy meter should be installed in an indoor or outdoor meter box. The mounting

base should be fixed on a solid refractory wall with no corrosive gas in the air;

The energy meter should be wired according to the wiring diagram on the terminal box,

preferably with copper wire or copper terminal.
https://hqcdn.hqsmartcloud.com/ytl-e/2022/07/05/双节rs485双协议直流表d619001英文规格书20220304.pdf

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Welcome To A National High-tech Enterprise

Established in 2000, Zhejiang Yongtailong Electronic Co., Ltd. is located in the center of Shanghai, Hangzhou and Suzhou cities. YTL is a professional China RS485 Communication Multi-Function Smallest DC Watt hour meter Suppliers and RS485 Communication Multi-Function Smallest DC Watt hour meter Company. With more than 20 years of energy metering experience, we devote ourselves to providing competitive projects and creating value for customers. YTL was one of the first companies in the domestic market with which had an internal R&D department as well as international sales business. Since our foundation in 2000 we have grown to a manufacturer which complies and meet to many specifications from our national and international partners. At present our export volume makes us a leading company for technology and product export to more than 50 countries throughout the world. With provincial high-tech enterprise R&D center, YTL is the Top 100-enterprise with most investment value in Zhejiang. And“Yongtailong”is the famous brand of Zhejiang. For any new products of customers, we will communicate with customers very professionally, listen to their opinions and give useful suggestions to ensure that excellent quality products are made.

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