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SF6 gas leakage alarm device
Category: Product Center
Key words: equipment
Product Description
System Overview:
LHQTBJ SF6The gas leakage alarm device is an intelligent online monitoring system to ensure safety during the use of medium and high pressure equipment. This system is mainly used to detect SF6SF for switchgear room and switchgear (GIS) room etc.6gas content and oxygen content, when the environment in the SF6If the gas content exceeds the standard or lacks oxygen, it can send out sound and light alarm and remote alarm in real time, and automatically turn on the fan for ventilation, which effectively guarantees the personal safety of the field staff.
Functional features:
◎The instrument adopts infrared sensor
Infrared absorption principle, dual wavelength, with temperature compensation function, high reliability, high stability, sensor life is more than 10 years, digital and analog output.
Real-time, quantitative detection of SF6Gas concentration:
Accurate measurement of SF in air in the range of 0 ~ 3000ppm6Gas content, full range quantitative display.
◎ SF6Gas concentration limit alarm
When the SF6 gas content exceeds the allowable threshold of 1000ppm, the system will give an audible and visual alarm.
◎ Real-time oxygen concentration detection
The system can accurately measure the oxygen content in the air in the range of 0 ~ 35%. When the oxygen content is lower than 18% of the allowable threshold, the system will give an audible and visual alarm.
◎ Universal power protocol, seamlessly integrated with integrated self-system
The system adopts 485 communication mode, and can be equipped with 61850 or IED communication module to realize seamless integration with many domestic integrated self-manufacturers such as Nanrui, Nanzi, Xuji, Sifang, Dongfang Electronics and other systems.
◎ Multi-parameter output
Through the power protocol, the system can be each collector SF.6、O2 Content, temperature and humidity values, communication, work, alarm status and other parameters of each node are transmitted to the integrated self-system in real time to truly realize unattended function.
◎ Multi-state output
The system can provide alarm signal, 24V signal and normally open switch at the same time.
◎ Multiple fan control modes
The fan has a variety of starting methods such as regular self-starting, forced starting, and personnel induction starting during 5 hours of the day to more effectively ensure personal safety.
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