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Wuhan Time Wave Network Technology Co., Ltd.
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Wireless LoRaWAN Energy Meter Smart IoT Three Phase Electric Meter

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Wireless LoRaWAN Energy Meter Smart IoT Three Phase Electric Meter

Brand Name : TimeWave

Model Number : Type DTZY2397

Certification : ISO/IEC 20000-1,ISO/IEC 27001,ISO/IEC 9001

Place of Origin : Hubei , China

MOQ : Negotiable

Price : EXW price US$ 60-120/ set

Payment Terms : L/C, T/T

Supply Ability : 2000 sets per week

Delivery Time : 3-5 weeks after receive the payment

Packaging Details : Each piece is packed in one carton, 10 sets per carton

Name : Three Phase Smart Meter

Material : Flame Retardant

Display : LCD Screen

Warranty : 1.5 Years Guarantee

Accuracy : 1 or 2 Class

Power Meter Connection : Terminal

Product : Single/Three phases smart energy meter

Customization : OEM/ODM

Standards : IEC62053-21, DL/T645-2007

Rated voltage un : 220V/3*220v/380v

Power grid frequency : 50Hz

Operating voltage : 80% Un ～ 115% Un

Rated current limit ib : 5A

Maximum current: Imax : 80A/100A

Starting current : 0.4% Ib

Connectivity Protocol : NB-iot/LoraWan

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Lorawan Wireless Three Phase Smart Electric Energy Power Meter LCD Display IoT Insulation Corrosion Resistance

  • Product Overview
DTZY2397 three-phase four wire charge control intelligent electric energy meter is a new generation of intelligent high-tech remote electric energy metering product. It is based on MCU+measurement chip technology. Large scale digital signal processing chip is adopted. It is designed and manufactured according to the relevant international (IEC) standards of electric energy meters and China's electric power standards. With LoRaWAN/CAT1/Bluetooth wireless communication modules, communication distance and networking problems are solved. It has the characteristics of high precision, low power consumption and good stability. An important part of the modernization of distribution management can be realized without complex cabling. It can be widely used in the measurement of three-phase AC power in cities, rural areas or factories and enterprises.
  • Highlights:
1. Metering positive active, negative active and ABC split phase active electric energy function. It can measure, store and display the ABC voltage, current, total and three-phase active power, total and three phase power factor, frequency and other operating parameters and status of the current watt hour meter. It has overload protection function.
2. Remote power off and transmission function: send power off command through RS485 and other communication interfaces to cut off the user's load circuit. Or send the power transmission command to connect the user load circuit.
3. Active upload/two-way transparent transmission function: actively transmit data to the corresponding platform through LoRaWAN wireless network. The default interval is 4 hours (settable).
  • Specifications & technical parameters

Qualification

Three-phase direct meter

Three-phase CT meter

Standards

IEC62053-21, DL/T645-2007

Rated voltage

3×220/380V

3×220/380V

Operating voltage range

80%-115%

80%-115%

Rated flow limit Ib

5A

1.5A

Maximum current: Imax

100A

6A

Starting current

0.4% Ib

0.2% Ib

Power consumption

Non communication state≤1.5W , In communication state≤3W

Power grid frequency

50Hz

50Hz

Frequency range

±2%

±2%

Active measurement accuracy

Class 1/B

Class 0.5, S/C

Reactive measurement accuracy

Class 2

Class 2

Active pulse constant

400(imp/kWh)

3200(imp/kWh)

Reactive pulse constant

400(imp/kWh)

3200(imp/kWh)

Clock precision

±0.5S/d(23℃)

±0.5S/d(23℃)

Normal operating temperature range

-40° C ～ +70° C

-40° C ～ +70° C

Extreme operating temperature range

-40° C ～ +70° C

-40° C ～ +70° C

Transportation and storage temperature range

-40° C ～ +70° C

-40° C ～ +70° C

Power dissipation

<1.5W ,10VA

<1.5W ,10VA

The time that the blackout clock preserves

>24h

>24h

The RS485 Interface

The Default is 2400bps.

1200bps,2400bps,4800bps and 9600bps were available

LoRaWAN frequency

CN470,RU864,IN865,EU868,US/AU915,KR920,AS923_1/2/3/4,

Custom Channels

  • Display items

No.

LCD figure

 Meaning
1.

PREMON POS NEG ∑ T1 T2 T3 T4

 Current and last month, forward and reverse, cumulative total electricity consumption and each rate
2. A B C ABC three-phase state, electric energy, instantaneous amount indication
3. DEMAND Maximum monthly demand
4. DEMAND Overdraw and residual status indication
5.

Network status indicator (none)
6. 8888:8.8:8.8 cos Φ kvarh kW kWh V A Data display and the corresponding unit symbol
7.

Represents periods sets 1 and 2
8.

Indicates current rate status (tip peak flat valley)
9.

Insufficient voltage indicator of Battery or supercapacitor
10.

Three-phase voltage or current out- of-phase indicator

​

  • Installation

Live installation of wiring is strictly prohibited!

The electricity meter shall be installed indoors as far as possible. Special instrument box protection shall be used for outdoor installation. The installation bottom plate shall be fixed on the wall with strong fire resistance and not easy to vibration. There must be no corrosive gases in the surrounding air where the meter is installed. Avoid dust, salt spray, etc.

When using the electricity meter, the wiring must be conducted strictly according to the wiring diagram in the tail cover of the meter. It is recommended to use copper wire for the lead connected to the terminal seat. The screws of the fixed lead in the terminal seat should be tightened to avoid burning the electricity meter due to bad contact and heating.


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