SF6 Gas Monitor and Receiver Based on LoRa Wireless Transmission Technology

SF6 (Sulfur Hexafluoride) gas is widely used as an excellent insulating and arc-suppressing medium in medium and high voltage, as well as in high voltage switchgear and GIS. The density index of SF6 gas is crucial to its insulation and arc-suppressing performance. SF6 Gas State Monitor and Receiver (LS-WC and LS-WT series) are self-developed monitoring products by our company. The monitor can adapt to our full range of transmitters and remote density relays, monitoring SF6 gas pressure, temperature, density, and moisture content in real time. The data is transmitted back to the background system in real time through wireless LoRa data transmission. The background system can perform online monitoring and analysis, and achieve functions such as real-time data query, historical data statistics, pre-set alarm reminders, and data curve query for all data. This system is mainly designed for real-time monitoring of critical equipment such as SF6 gas insulated switchgear, GIS, transformers, a

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Applications

SF6 Insulated Combination Apparatus (GIS)
SF6 Insulated Circuit Breaker
SF6 Insulated On-site Switch
SF6 Insulated Transformer
SF6 Insulated Mutual Inductor
SF6 Insulated Busbar System

Features

1. The monitor is powered by a battery, without the need for cables on site, enabling non-stop upgrade and transformation of online monitoring systems.

2. The monitor and receiver have user-friendly human-machine interfaces, facilitating field debugging and testing.

3. The monitor can adapt to our full range of transmitters and remote density relays (with a accuracy of full scale 1.0), which can be configured according to customer needs with different functions, ranges, and interface sizes.

4. It is suitable for both indoor and outdoor installations.

5. The battery uses a large capacity lithium battery, with a service life of over 10 years (related to the data collection period).

6. The receiver has data storage function; it can store data for over 10 years.

7. The background software has data storage, query, and statistical analysis functions.

8. It has a RS485 bus interface that can upload pressure, temperature, and density data in real time.

9. It has 470MHz and 2.4GHz optional frequencies for wireless transmission.

Options

1. The receiver has an RS485 MODBUS RTU output or a network port TCP/IP output.

2. It comes with a background software package.

3. The receiver can be equipped with an instrument cabinet.