DTSD178-17 THREE PHASE CT(CT&PT) OPERATED SMART ENERGY METER (GRID METER)
Overview:

 DTSD178  smart  energy  meter  is  designed  and  manufactured  on  the  basis  of stable  power  supply technology,  and  has  adopted  the  advanced  large-scale  integrated  circuits  technology,  experienced software algorithms, low power consumption design and SMT process according to the requirements of international  standards.  The  product  is  characterized  by  integrated  functions  of  metering,  display, communication, detection, etc. It provides with functions of metering the import and export active energy, the reactive energy of four quadrants and demand by time period accurately; metering voltage, current, active and reactive power, power factors, etc. of three phases; detecting and recording over/low voltage, over current, etc.; performing the function of remote and local meter reading, programming, etc. It is widely used in grid gateway, power plants, substations, comprehensive energy measurement and management of enterprises and institutions and TOU metering for industry users.


Product feature:

 DTSD178  smart  energy  meter  is  designed  and  manufactured  on  the  basis  of stable  power  supply technology,  and  has  adopted  the  advanced  large-scale  integrated  circuits  technology,  experienced software algorithms, low power consumption design and SMT process according to the requirements of international  standards.  The  product  is  characterized  by  integrated  functions  of  metering,  display, communication, detection, etc. It provides with functions of metering the import and export active energy, the reactive energy of four quadrants and demand by time period accurately; metering voltage, current, active and reactive power, power factors, etc. of three phases; detecting and recording over/low voltage, over current, etc.; performing the function of remote and local meter reading, programming, etc. It is widely used in grid gateway, power plants, substations, comprehensive energy measurement and management of enterprises and institutions and TOU metering for industry users.


Key Features:

 0.2s Class High Accuracy/Neutral measure

3P4W/3P3W automatically running

Plug and play modular design  (PLC/RF/GPRS/3G/LTE)

Multi-rate electric energy and maximum demand calculation

Rich auto display, push-button display, high resolution display items

High precision RTC clock and calendar

Powerful anti-tampering function

High-capacity storage for curve data, event recording, etc.

AMI interconnection design, remote firmware upgrade

Provide IEC/DLMS/KEMA certification


Technical Parameters:

 

Reference Voltage

3x57.7/100V

Current Rating

3x1(10)A

Maximum Current

10A

Reference Frequency

50 Hz

Variation in frequency

±5%

Accuracy Class

0.2s for active,2 for reactive

Starting Current

0.1%ln for active

Measuring Elements

four

Operating Voltage

0.8Vref  1.1Vref

Meter Constant

6400imp/kWh,6400imp/kVarh

Alarm Function

Alarm indicator light

Power Consumption

<1.5W(8VA)

Test for Immunity to Electrostatic Discharge(ESD)

8kV(Contact ESD ), 15kV(Air ESD )

Impulse Voltage Test

6kV

Protocol

DLMS

Communication

Optical, RS 485, 2G/3G/4G , Ethernet (optional)

Environmental Temperature

Operation range: -25°C  70°C

Limit range for storage and transport: -40°C~70°C

Relative Humidity

95%

Waterproof

IP51

Service Life

10 years


Physical Dimension: