Willfar Information Technology Co. Ltd.
| Payment Terms | T/T |
| Supply Ability | 2000 per day (based on the number of the order) |
| Delivery Time | 30 days |
| Packaging Details | Carton Packaging |
| Color | Grey |
| celiangfanwei | 10V~700V |
| gonghao | < 0.05VA |
| jingdu | RMS 0.2 % |
| fenbianlv | 0.01V |
| Brand Name | Willfar Information Techonology Co., Ltd. |
| Model Number | DDS3102-3N |
| Certification | CPA/CMC/CE |
| Place of Origin | Changsha, Hunan |
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Product Specification
| Payment Terms | T/T | Supply Ability | 2000 per day (based on the number of the order) |
| Delivery Time | 30 days | Packaging Details | Carton Packaging |
| Color | Grey | celiangfanwei | 10V~700V |
| gonghao | < 0.05VA | jingdu | RMS 0.2 % |
| fenbianlv | 0.01V | Brand Name | Willfar Information Techonology Co., Ltd. |
| Model Number | DDS3102-3N | Certification | CPA/CMC/CE |
| Place of Origin | Changsha, Hunan | ||
| High Light | power monitoring device ，3 phase power monitor | ||
Energy Efficieny Management Device Single-phase Distribution Monitoring DDS3102-3N
Company Profile
Willfar Information Technology Co., Ltd.
- Established in 2004;
- Listed on the STAR Market of the Shanghai Stock Exchange in December 2019;
- Leading supplier of meter reading (AMI) equipment and operation service;
- The first company to develop "One DCU Reading Multi-meter" solution in China;
- The first company to have large-scale application of technologies and systems like "CPU smart-card Charge and Control", "One DCU Reading Multi-meter", LoRa-based RF Communication and "District Metering Area (DMA)”
Technical Parameter
| Item | Parameter | |
| Wiring Mode | Three Phase 3 wires, Three Phase 4 wires, Single Phase | |
| Voltage | Reference Voltage: |
| Range:10V~700V | ||
| Power Consumption:< 0.05VA(Single Phase) | ||
| Accuracy: RMS 0.2 % | ||
| Resolution:0.01V | ||
| Current | Nominal Voltage: 0.3A,1A,1.5A,5A | |
| Range: 0.001In ~ 10A | ||
| Power Consumption: < 0.05VA(single line nominal current) | ||
| Accuracy: RMS 0.2 % | ||
| Resolution: 0.001A | ||
| Power (active/reactive/apparent) | Accuracy: 0.5%或0.2% | |
| Resolution: 0.001kW/kVar/kVA | ||
| Line Frequency | Range: 45 Hz~65 Hz | |
| Accuracy: 0.2% | ||
| Resolution: 0.01 Hz | ||
| Harmonic Wave | Time: 2~50times | |
| Accuracy: Class A | ||
| Resolution: 0.01 % | ||
| Metering | Active Electric Energy | Level of Accuracy: 0.5S或0.2S |
| Resolution: 0.01 kWh | ||
| Reactive Electric Energy | Level of Accuracy: Class II | |
| Resolution: 0.01 kvarh | ||
| Power Pulse Output | 2-line electric energy (active/reactive) Pulse Output |
| Opto-isolator,4000VRMS | ||
| Switch Output (Optional) | 2-line electromagnetic relay output | |
| Normally Open Type | ||
| Contact Rating: AC 250V /3A；DC 30V /3A | ||
| Switch Input (Optional) | 4-line dry contact input | |
| Opto-isolator,4000VRMS | ||
Analog Signal | | 4-line transducing output |
| Current Output Type (4~20mA/0~20mA/0~24mA) | ||
| Voltage Output Type (0~5V/0~10V) | ||
| Accuracy: 0.5% | ||
| Communication | RS-485 Communication Interface (Optional) | Interface: 2-wire half duplex |
| Communication Rate: 600bps~38400bps | ||
| Protocol: Modbus-RTU, DL/T645 | ||
| Environment | Working Temperature | -25℃~+60℃ |
| Limit Working Temperature | -35℃~+70℃ | |
| Relative Humidity | ≤ 95% (non-condensing) | |
| Other | Power Supply | AC or DC |
| Maximum Input Range: 40V~420V | ||
| Power Consumption: ≤1W,2VA | ||
| Dimension | Boundary Dimension (mm):96×96×95 | |
| Hole size (mm):92×92 | ||
| Weight | around 450g | |
Features
- High precision: measure / measure the whole power parameters, the accuracy of active power is 0.5s, the accuracy of reactive power is 2.
- Wide voltage: AC/DC adaptive operation, 40~420V AC/DC input range.
- Multi-communication: 1-way 485 communication interface, supporting MODBUS-RTU and DL/T645-2007 protocols.
- Multi-interface: 2 switch inputs, 1 relay output, 4 analog transmission output optional.
- High performance: dustproof and waterproof, nationally standardized double insulation, level 4 EMC anti-disturbance test, Class B level RF electromagnetic field interference.
Certificate
CPA/CMC/CE
Situation
Suitable for transformer and distribution automation systems, industrial control and industrial automation systems, energy management systems and community power monitoring and other occasions
Company Details
Business Type:
Manufacturer,Exporter,Seller,Other
Year Established:
2004
Total Annual:
170-180 million
Employee Number:
700~705
Ecer Certification：
Active Member
Introduction As the first company in Hunan Province to be listed on SSE STAR Market, Willfar is the pioneer manufacturer in China that can simultaneously provide related industries with all kinds of advanced electricity, water, gas and heat metering products and meters for power distribution... Introduction As the first company in Hunan Province to be listed on SSE STAR Market, Willfar is the pioneer manufacturer in China that can simultaneously provide related industries with all kinds of advanced electricity, water, gas and heat metering products and meters for power distribution...
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