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ZMJ80XD Density Monitor

ZMJ80XD Density Monitors are used to monitor SF₆ gas density in sealed tanks . They are applied to indicate the gas density and to provide signal outputs when the density reaches the set values . They are designed to monitor High Voltage systems. They can provide multi- ple solutions to support new substations and the reno- vation and upgrading of existing substations.

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SF₆ Gas Insulated Switchgear (GIS)
SF₆ Insulated Circuit Breakers
SF₆ Insulated Pole-Mounted Switch
SF₆ Insulated Transformers
SF₆ Insulated Current Transformers or Voltage Transformers
SF₆ Insulated Busbar Systems

Higher accuracy from reference chamber temperature compensation technology.
Class 1.0 display accuracy for full scale range.
More accurate gauge indication values and contact switching values throughout the temperature range. Suitable for indoor or outdoor installation.
Up to three (3) sets of switch contacts.
High shock resistance, no need to fill oil therefore no oil leakage hazard.
Normally closed contacts will not falsely alarm due to vibration.

Technical Parameters
Scale range	0 ～ 1.0MPa abs. (customizable)
Accuracy of set point	±1.0%FS（-30℃~ +60℃)（gas phase）
Accuracy of indication	Rated pressure：±1.0%FS（+20±1℃)
Degree of protection	IP65
Ambient conditions	-30° C ～ +60° C, relative humidity ≤ 95%RH
Leakage rate	≤ 1×10-9 Pa·m3/s (Helium leakage inspection)
Pressure connection	M20×1.5, (customizable)
Installation method	Radial or Axial
Electrical connection	Connect the plug when plugging, wire diameter 0.2~2.5 mm2
Insulation properties	Insulation resistance: >100 MΩ (DC 500V) Withstand voltage：2kV，50/60 Hz 1min
Contact type	Micro Switch
Impact rating	50g
Contact electrical parameters	10(1.5)A,250V AC 0.1 (0.05)A,250V DC
Window Glass	Laminated safety glass
Weight	1.2kg
Pressure element	Bellow and Bourdon tube

Different measuring ranges
Measuring medium：SF₆、Air、N₂、SF₆+N₂ and other gases
Degree of protection：IP67
Operating temperature: Optional：-40℃~ +60℃

Applications and Market Trends of SF6 Gas Monitors

What is an SF6 Gas Monitor?
An SF6 gas monitor is an instrument used for real-time monitoring of the density of SF6 (sulfur hexafluoride) gas. It is widely used in high-voltage power equipment, industrial production processes, and research fields. SF6 is a colorless and odorless natural gas with excellent electrical insulation properties and thermal stability.

Applications of SF6 Gas Monitors
·Industrial Field
In the industrial field, SF6 gas monitors are commonly installed in high-voltage power equipment such as circuit breakers and transformers. They help monitor the density changes of SF6 gas within the equipment, ensuring the reliability and safety of the equipment operations. By timely monitoring and alarming, equipment faults or accidents caused by SF6 gas leakage or anomalies can be prevented, and appropriate measures can be taken to maintain and repair the equipment.
·Research Field
Besides the industrial field, SF6 gas monitors also play an important role in the research field. Researchers use them to monitor the density of SF6 gas in laboratories and its correlation with other experimental parameters. These SF6 gas monitors are also used to study and analyze the properties of SF6 gas under different environmental conditions, helping to gain a deeper understanding of the gas's characteristics and optimize related experiments.

Market Trends of SF6 Gas Monitors
The rapid growth in the SF6 gas monitor market is driven by multiple factors.
·Firstly, the rapid expansion of the power industry and the continuous increase in grid construction have significantly boosted the demand for efficient and safe insulation and arc-extinguishing equipment.
·Secondly, technological advancements and innovations provide strong impetus for the performance enhancement and application expansion of SF6 gas monitors. The introduction of intelligent monitoring and data analysis features has enhanced the real-time monitoring and warning capabilities of the equipment.
·Furthermore, the push from policies and regulations cannot be ignored. Governments around the world are increasingly stringent with safety and environmental protection requirements for power equipment, prompting companies to invest more in SF6 gas monitors
Looking forward, the SF6 gas monitor market will continue to maintain its rapid growth trend. With the continuous development of the power industry, ongoing technological innovation, and sustained push from policies and regulations, the SF6 gas monitor market will face new opportunities and challenges.