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MJS100 Digital Display Remote Transmission Density Relay

  • Category:MJS100 Digital Display Remote Transmission Density Relay
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  • Release time:2023-03-08 16:20:36
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MJS100 digital remote density relay is used to control and monitor the density of SF6 gas in sealed containers. It is applied to SF6 high-voltage circuit breakers, medium voltage switches, gas insulated equipment (GIS), high-voltage cables, transformers, and transformers, and is suitable for strong vibrations and harsh outdoor external conditions. It can display the SF6 gas density of SF6 electrical equipment from time to time, and has alarm and lock signal outputs. When SF6 gas leaks, it can timely output alarm and lock signals. This product is equipped with a communication interface, and can be connected wirelessly or wirelessly to transmit the SF6 gas temperature, pressure, density, and micro water and dew point data within the SF6 electrical equipment to the background. Through the self-developed cloud background, the data can be pushed to the designated user's mobile terminal, enabling designated users to monitor the operation of the SF6 electrical equipment from time to time without being on site, ensuring the safe operation of the SF6 electrical equipment.


The security guard of intelligent substations.



SF6高压断路器、中压开关、气体绝缘设备GIS、高压电缆、变压器和互感器

适合强震动以及户外恶劣的外界条件,可时时显示SF6电气设备的SF6气体密度,并带有报警和闭锁信号输出,当SF6气体发生泄漏后,能及时输出报警和闭锁信号


高亮数码管显示,现场读数方便、清晰;

结构小巧,厚度只有50mm,不占空间,安装方便;

密封性能好,独有的正压氦气检测,漏率小于1x10-8mbar. l / s

电气部分低功耗设计,并通过了 EMC 电磁兼容测试;

报警、闭锁信号输出,采用欧姆龙微动开关结构,接点更可靠,寿命更长;

采用高精度的传感器,可传输温度、压力、密度、微水(可选),性能稳定,精度高;

哑光磨砂壳体,本身具有金属屏蔽功能,防护等级IP65,外形美观、精致;

24v供电,带有485通讯接口,另可选用无线传输功能


泄漏率1x10-8mbar. l / s (氦气检验)

抗振性能20m/s2抗冲击性能:500m/s2

测量范围密度:-0.1~0.9MPa

      露点:-80~+20

精度密度1级(at20)

环境温度在﹣40~+60℃时,精度等级2.5 露点±3

工作环境温度为﹣40~+60℃、相对温度≤95%RH

微动开关接点接点电气参数:功率30VA;最大工作电压:380V;最大电流:1A

重量:4KG

感压元件波顿管

外壳防护等级IP55

绝缘性能绝缘电阻:>100MΩ(500V DC )

绝缘耐压:2000V,50/60 Hz 1 min


工作电压DC24V

功耗<2W

通信方式RS485

通讯协议MODBUS

传输速度不低于9600bps

抗电磁干扰IEC61000-4-2:4级(15KV)

IEC61000-4-3:3级(10V/ m )

IEC61000-4-4:4级(4KV)

IEC61000-4-5:3级(±2KV)

IEC61000-4-6:3级(10V)

IEC61000-4-8:4级(100A/ m )


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