2015 Resident Digital Reverse-Detection Electric Kwh Meter

Model NO.: DDS155 Installation: Direct Connected Electric Equipment: Single-phase Power Meter Connection: Terminal Type: Energy Meter Customized: Customized Rated Current: 5(60)a/20(80)a/30(100)a Clock Error: Less Than 0.5s/Per Day Storage Temperature: -40-+70 Centigrade Display Method: LCD/LED Frequency: 50Hz/60Hz Specification: CE, CCC, ISO 9001/2008, ISO14001 HS Code: 90283014 Display: Digital Usage: Multi-Functional Energy Meter, Watt-Hour Meter, Meter for Industry and Home Use, Standard Electric Energy Meter, Reactive Energy Meter, Maximum Demand Meter Theory: Electronic Meter Measured Signal: Pulse Peak Certification: RoHS, ISO, CE Rated Voltage: 110V/230V/220V/240V Accuracy Class: Active Class 1.0, Reactive Class 2.0 Work Temperature: -25-+65 Centigrade Pulse Constant(Imp/Kwh): 6400, 3200, 2400, 1600, 1200, 800, 400, 200 Communication: Infrared/RS485 Trademark: RadarKing Origin: Wuhan, China Itadopted ADE7755 chip to achieve accurate measurement within large dynamic range, and have also used single chip with high reliability and low power consumption, achieving total power measurement and state control.

They are featured with high accuracy, good stability, long lifespan, strong overload capacity and high reliability, considered as ideal watt-hour meter products for remote Meter Reading.
Standard :
IEC 62052-21 Electricity metering equipment (a.c.) –Part 21: Tariff and load control equipments.
IEC 62053-23 Electricity metering equipment (a.c.) –Particular requirements –Part 23:Static meters for reactive energy(classes 2 and 3)

Functions
1. Power Measurement function
It can measure the total (positive and negative) active power, and the reverse power will be accumulated by positive power.
2. Multi-rate function
With time-measuring of active power, it can freely program 4 rates and 8 time consumption.
3. Freeze function
Freeze and store automatically the power consumption in each hour, at zero o' clock, as well as at zero o' clock on the monthly settlement day.
4. Measurement function
It can measure such network parameters as voltage, current, power, power factor, etc.
5. Power-on and power-off control
It can accept the command and execute its power-on or power-off control.
6. Relay state detection
The meter can test whether the relay is on or off at any moment. It can execute automatically maintenance if the state becomes abnormal.
7. Events recording function
It can record events including opening meter cover, programming, and power-on and power-off state.
8. Power failure display function
It can display the current power consumption in interval during power failure.


Selectable Extended and Unextended Terminal Cover (Optional)

Accuracy Class	1 or 2
Reference Voltage Un(V)	220
Operating Voltage	0.7 Un ~ 1.2 Un
Rated Current Ib(A)	1.5(6),5(30),10(40),10(60),20(80)
Starting Current	0.002Ib
Rated Frequency	50Hz
Power Consumption	<1W ,2VA
Display Mode	LCD
Communication Interface	Infrared, RS485/low-voltage power line carrier
Overall Dimensions	160mm´122mm´70mm
Work Environment	Normal operating temperature: -30°C~+55°C Limit of operating temperature:  -45°C~+70°C Storage and transport temperature:  -45°C~+70°C Storage and Operating humidity: ≤95%

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