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Yongjia Wuniu Industrial Zone, Wenzhou, Zhejiang
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Zhejiang Kailida Instrument Co., Ltd
Carrier wave meter
NegotiableUpdate on 03/11
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Overview
Principle of Carrier Meter, Construction of Carrier Meter, Price of Carrier Meter
Product Details
One DDSI825 typeSingle phase electronic carrier energy meteroverview
DDSI825 typeSingle phase electronic carrier energy meter(hereinafter referred to as the electric energy meter) is a new type of smart meter developed and produced by our company using advanced international microelectronic chips. The electric energy meter uses the PL3000 series microprocessor as its core, with carrier communication and relay control functions; The electricity metering adopts ADE7755 metering chip; Electric energy meters have the characteristics of high integration, high measurement accuracy, fast speed, low power consumption, and carrier communication interface.
DDSI825 typeSingle phase electronic carrier energy meterThe performance indicators comply with the requirements of GB/T 17215-2002 (IEC61036), and the carrier performance indicators comply with the power industry standard DL/T 698-1999. The electric energy meter is stable and reliable, with high measurement accuracy, LCD display, and easy installation. It is particularly suitable for residential and industrial users' electric energy measurement and control.
II DDSI825 typeSingle phase electronic carrier energy meterSpecifications, models, and main technical parameters:
2.1 DDSI825 typeSingle phase electronic carrier energy meterSpecification and model
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model
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accuracy class
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rated voltage
（V）
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Pulse constant
imp/kWh
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Rated current
Ib（A）
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DDSI825
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1.0
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220
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6400
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1.5（6）A
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3200
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5（20）,5（30）,
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|||
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1600
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10（40）,10（60）
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2.2 DDSI825 typeSingle phase electronic carrier energy meterMain technical parameters
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project
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Main technical parameters and specifications
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error
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Meets the requirements of IEC61036-1996
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reference frequency
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50Hz
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Measurement range
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00000.00--99999.99kWh
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carrier communication
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Spread spectrum series 15 bits, center frequency 120K, bandwidth 15KHz
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power consumption
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Static less than 0.5W, carrier transmission less than 3W
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MTBF
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Better than 5 * 104 hours
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External dimensions
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Length * Width * Thickness: 153mm * 110mm * 61mm
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supply voltage
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220V±20％
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Reference current
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1.5（6）A,5（20）A,5（30）A,10（40）A,10（60）A
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Relay current capacity
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>60A
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Power pulse output parameters
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Pulse width 80ms ± 20%, 5-24V DC voltage provided externally
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working temperature limit
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-40℃～+80℃
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ambient humidity
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Less than 75%
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Storage and transportation temperature
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-25℃～+75℃
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3、 DDSI825 typeSingle phase electronic carrier energy metermajor function
3.1 Measurement function
7755 accurately measures positive and negative active power, accumulates electrical energy in the same direction, and solves the problem of current reverse connection and electricity theft
The electric energy metering has good linearity and a wide dynamic working range, with an error of less than 0.3% within a dynamic range of 1000:1
After power failure, all stored data will not be lost and can be maintained for more than 10 years
3.2 Power Carrier Communication Function
3.3 Electric pulse output function
Active electric energy pulse output, used for meter calibration and energy collection
Passive isolated output port
L waveform: square wave
Pulse width: 80ms ± 20%
Lifespan: ≥ 109 pulses
Pulse constant: in accordance with the nameplate indication, unit: imp/kWh
4 DDSI825 typeSingle phase electronic carrier energy meterstructure
4.1 Wiring diagram of electric energy meter (for reference only, please refer to the wiring diagram on the back of the terminal box for details)
4.1.1 Direct Connection Wiring Diagram
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