| Customization: | Available |
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| After-sales Service: | Online/Video/Telephone Guidence |
| Warranty: | 18 Months |
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The intelligent electricity meter has the functions of electric energy measurement, power parameter measurement, time-sharing measurement, real-time freezing, on-off control, LoRaWAN and RS485 communication etc, which is suitable for single-phase power consumption occasions.
Single Phase:
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Qualification
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Single phase direct meter
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Standards
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IEC62053-21, IEC62052-11, DL/T645-2007
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Rated voltage un
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220V
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Operating voltage range
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80% Un ~115% Un
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Rated current limit ib
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5A
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Maximum current: Imax
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80A
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Starting current
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0.4% Ib
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Power grid frequency
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50Hz
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Frequency range
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±2%
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Active measurement accuracy
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Class B / 1
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Reactive measurement accuracy
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Class 2
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Active pulse constant
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1600(imp/kWh)
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Reactive pulse constant
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1600(imp/kvarh)
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Clock precision
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±0.5S/d (23ºC)
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Normal operating temperature range
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-25ºC~+55ºC
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Extreme operating temperature range
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-40ºC~+70ºC
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Transportation and storage temperature range
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-40ºC~+70ºC
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Power dissipation
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<1.5W ,10VA
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The time that the blackout clock preserves
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>24h
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The RS485 interface
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The default 2400bps, 1200bps, 2400bps, 4800bps, and 9600bps are optional
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LoraWan frequency
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CN470,RU864,IN865,EU868,US/AU915,KR920,AS923_1/2/3/4,Custom Channels
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Qualification
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Three-phase direct table |
Three-phase CT table |
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Standards
|
IEC62053-21, IEC62052-11, DL/T645-2007 |
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Rated voltage un
|
3×220/380V |
3×220/380V |
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Operating voltage range
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80%-115% |
80%-115% |
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Rated current limit ib
|
5A |
1.5A |
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Maximum current: Imax
|
100A |
6A |
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Starting current
|
0.4% Ib |
0,2% Ib |
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Power grid frequency
|
50Hz |
50Hz |
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Frequency range
|
±2% |
±2% |
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Active measurement accuracy
|
Level 1 / B |
Grade 0.5, S / C |
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Reactive measurement accuracy
|
Level 2 |
Level 2 |
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Active pulse constant
|
400(imp/kWh) |
3200(imp/kWh) |
|
Reactive pulse constant
|
400(imp/kvarh) |
3200(imp/kvarh) |
|
Clock precision
|
±0.5S/d (23ºC) |
±0.5S/d (23ºC) |
|
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 |
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The time that the blackout clock preserves
|
>24h |
>24h |
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The RS485 interface
|
The Default is 2,400 b p s.1200bps, 2400bps, 4800bps, and 9600bps were available |
|
|
LoraWan frequency
|
LoRaWAN:CN470,RU864,IN865,EU868,US/AU915,KR920,AS923_1/2/3/4,Custom Channels |
|
Single Phase:
1.It has measure forward and reverse active energy functions. Electrical energy should be accumulated and stored separately for electric energy and total electrical energy at each time period such as tips, peaks, flats, and valleys. And it can also store and display the power of the previous 12 months.
2.It can measure,store and display the voltage, current, power, power factor, frequency and other operating parameters and status of the current electricity meter. And it has overload protection function.
3.There are two sets of rates (sharp, peak, flat, valley) and periods that can be programmed arbitrarily, and another set of rates and periods can be start to used at the set time point. Each set of rate time periods can be set with at least 2 time zones for a year. At least 14 time periods can be set within 24 hours. The minimum time period interval is 15 minutes. The time period can be set across zero points.
4.It has freezing functions such as instantaneous freezing, regular freezing, daily freezing, agreed freezing and hour freezing.
5.It has the function of event recording such as zero clearing, programming, proofread, power down, pulling and closing the brake, etc.
6.Remote disconnection and power transmission function. Power off command is issued through communication interface such as RS485 to cut off the user's load loop; Or issue a power transmission instruction to turn on the user load loop.
7.Active upload / bidirectional transparent transmission function. Actively upload the data to the corresponding platform through the LoRaWAN wireless network, with a default interval of 4 hours (settable).
8.After the meter is powered on and the LoRaWAN module is connected to the network, the meter is automatically calibrated.
Three Phase:
1.Metering positive and negative active power, positive and negative direction active power, 1-4 quadrant reactive power, and ABC phase separation active power and reactive power functions. Electrical energy should be accumulated and stored separately for electric energy and total electrical energy at each time period such as tips, peaks, flats, and valleys. And it can also store and display the power of the previous 12 months.
2.It can measure, store and display the operating parameters and states of ABC such as each phase voltage, current, total and three-phase active reactive power, three-phase active reactive power, total and three-phase power factor and frequency of the current electricity meter. And it has overload protection function.
3.There are two sets of rates (sharp, peak, flat, valley) and periods that can be programmed arbitrarily, and another set of rates and periods can be start to used at the set time point. Each set of rate time periods can be set with at least 2 time zones for a year. At least 14 time periods can be set within 24 hours. The minimum time period interval is 15 minutes. The time period can be set across zero points.
4.Record the maximum demand and occurrence time of forward active, reverse active, positive reactive and reverse active power in that month.
5.It has freezing functions such as instantaneous freezing, regular freezing, daily freezing, agreed freezing and hour freezing.
6.It has the function of event recording such as zero clearing, programming, proofread, power down, pulling and closing the brake, etc.
7.Remote disconnection and power transmission function. Power off command is issued through communication interface such as RS485 to cut off the user's load loop; Or issue a power transmission instruction to turn on the user load loop.
8.Active upload / bidirectional transparent transmission function. Actively upload the data to the corresponding platform through the LoRaWAN wireless network, with a default interval of 4 hours (settable).
9.After the meter is powered on and the LoRaWAN module is connected to the network, the meter is automatically calibrated.
And our lorawan electricity can widely used in such scenarios:
a.Residential quarters: smart meter reading, energy-saving management, and prevention of energy waste.
b.Commercial places: saving costs, improving energy efficiency, real-time monitoring.
c.Industrial enterprises: precise measurement, remote monitoring, energy saving and emission reduction.
d.Government agencies: Unify management, reduce operating costs, and improve energy management levels.
Single Phase:
Single Phase:
Installation drawing (unit: mm)
INSTALLTION
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.
TRANSPORTATION AND STORAGE
Ammeters must be transported and stored under the original packaging conditions. Products shall not be severely impacted during transportation and unpacking, and shall be transported and stored according to GB / T 25480-2010 Basic Environmental Conditions for Instrument Transportation and Storage and Test Methods as stipulated in 2010. The products should be stored in the warehouse and placed on the platform frame. The stacking height shall not exceed five layers. No corrosive gases shall be present in the stored environment.
Wuhan Time Wave Network Technology Co., Ltd is a high tech enterprise specializing in the application of Low Power Wide Area Network (LPWAN) core technologies to establish an energy monitoring service platform. We provide a one-stop solution and service for our clients, offering metering and communication equipment, software system platforms, project construction, and daily operation and maintenance.
We independently develop and manufacture the "Timewave" brand LPWAN smart energy meters, smart water meters, smart gas meters, and alarm systems, among other communication terminal products. Coupled with the "Timewave Cloud" energy supervision platform, which encompasses metering, meter reading, billing, management, and control of water, electricity, gas, and heat, we can provide and implement automatic meter reading and billing, carbon emission monitoring, safe electricity use, energy consumption analysis, energy-saving analysis, transformer monitoring, data center environment monitoring, and intelligent operation and maintenance. We have a wealth of experience in the practical application of water and electricity meters using LoRaWAN technology.
The "Timewave Cloud" energy supervision platform is widely used in various settings, including campuses, supermarkets, apartments, hospitals, factories, parks, buildings, railways, airports, data centers, and more.We have connected over 200,000 IoT terminals, implemented over 200 projects, and expanded our reach to over 30 provinces and cities across the country. Moreover, we provide operation and maintenance support for ground projects in multiple countries and regions, including Indonesia, Turkmenistan, Laos, Nigeria, and Mongolia.
Timewave IoT Technology is committed to solving issues related to difficult meter reading, billing, payment, energy-saving and efficiency improvement, and safe energy use. We aspire to become a leader in the field of energy IoT and energy supervision platforms.
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