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 | White |
| Material | PVC |
| Power dissipation | ≤2W |
| Reliability | MTBF≥7.6×10⁴h |
| Operating Temperature | -40 °C ~ + 70 °C |
| Level of Protection | IP51 |
| Brand Name | Willfar Information Techonology Co., Ltd. |
| Model Number | WFET-800S |
| Certification | Q/GDW 1374.3-2013，Q/GDW 1379.4-2013，Q/GDW 1356-2013 |
| 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 | White | Material | PVC |
| Power dissipation | ≤2W | Reliability | MTBF≥7.6×10⁴h |
| Operating Temperature | -40 °C ~ + 70 °C | Level of Protection | IP51 |
| Brand Name | Willfar Information Techonology Co., Ltd. | Model Number | WFET-800S |
| Certification | Q/GDW 1374.3-2013，Q/GDW 1379.4-2013，Q/GDW 1356-2013 | Place of Origin | Changsha, Hunan |
| High Light | 4g module ，wireless networking module | ||
GPRS Communication Module for Internet Smart Meter WFET-800S
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)”
Introduction
- WFET-800S Internet GPRS module products adopt mature and stable 32-bit high-performance processor hardware platform and components,
- Optimal designed and achieved technological breakthroughs in stability, hardware reliability, software fault-tolerant technology and technical advancement.
- The WFET-800S have the characteristics of powerful function, simple and stable operation, and convenient maintenance, so they are ideal module products for watt-hour meter + Internet applications.
Technical Parameters
| Item | Parameters |
| Technical Specification |
Q/GDW 1374.3-2013, Q/GDW 1379.4-2013, Q/GDW 1356-2013 |
| Master Station Communication Specification | Q／GDW 1376.1-2013, DL/T698.45 |
| Electricity Meter Communication Specification | DL/T 645-1997 |
| Encryption | Support 698 ESAM encryption (optional) |
| Interface Design | The design of module hardware interface follows the technical standard specification of State Grid 13, and can be adapted to various manufacturers with module phenotypic ammeters. |
| Installation | Directly Insert the watt-hour meter (can be unplugged with power) |
| Support Network | Support TD-LTE,FDD-LTE,WCDMA,TD-SCDMA,CDMA2000,CDMA,GSM |
| Local Interface |
1-way for meter reading, RS-485 interface, 1-way for maintenance interface, 1-way for modulated infrared light, 1-way for USB interface |
| Remote Upgrade |
Multi-process mode, The upgrade does not affect the normal work, Support breakpoint resuming |
| Storage Capacity |
Bulky Capacity FLASH, Data could be stored for 10 yrs when power outage happening |
| Environment | Relative Humidity: ≤95% |
| Normal Working Temperature: -25℃～+60℃ | |
| Limit Working Temperature: -40℃～+70℃ | |
| Power Consumption | ≤2W |
| Reliability | MTBF≥7.6×104h |
| Structure |
Dimension: Single Phase Meter: 70mm x 50mm x 22.7mm (L x W x H) Three Phase Meter: 94.8mm x 65mm x 24mm |
|
Sealed Design, Waterproof, UV resistant, Flame retardant |
|
| IP51 |
Certificate
Q/GDW 1373-2013, Q/GDW 1374-2013, Q/GDW 1376.1-2013, DL/T 645-1997, DL/T 645-2007
Feature
1. With the integration of GPRS communication technology, the power supply of the communication module can be controlled separately, which can further prevent the data communication module from crashing.
2. It can be connected to various domestic and oversea meter protocols at the same time.
3. Safe and reliable control technology with multi-level protective measures;
4. It has the function of active fault reporting, which can locate and solve the fault instantly.
5. The use of large-capacity electronic disk and embedded file management technology can ensure the preservation of historical data for a long time.
6. Function module remote upgrade and remote maintenance, flexibly meet the requirements of system function expansion in the future;
7. Advanced data compression and encryption technology.
Function
1. Using high-performance 32-bit hardware platform.
2. Using a stable and reliable real-time embedded Linux operating system software platform.
3. Modularization hardware: independent, modular design, matching with the base meter, does not affect the metering function, supports hot-swappable function.
4. Modularization software: the application software adopts modular programming, and each application module runs independently and does not affect each other.
5. The power supply of the communication module can be controlled separately, which can further prevent the data communication module from crashing.
6. Can be connected to various domestic and international meter protocols at the same time.
7. Safe and reliable control technology with multi-level protective measures.
8. It has the function of active fault reporting, which can locate and solve the fault instantly.
9. The use of large-capacity FLASH and embedded file management technology can ensure the preservation of historical data for a long time.
10. Remote upgrade and remote maintenance of functional module, flexibly meet the requirements of expansion on system function in the future.
11. Advanced data compression and encryption technology
Situation
Suitable for single or three-phase watt-hour meter required remote data transmission and automatic control.
Dimension
Single phase: 70mm × 50mm × 22.7mm (L x W x H)
Three phase: 94.8mm × 65mm × 24mm (L x W x H)
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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