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本质安全型仪表也叫安全火花型仪表。它的特点是仪表在正常状态和故障状态下，电路、系统产生的火花和达到的温度都不会引燃爆炸性混合物。本安型仪表的防爆性能不是采用隔爆、胶封、充气、充油、通风等外部措施来实现，而是由电路本身实现的，可以适用于危险场所及一切爆炸性气体、蒸汽混合物，可以在带电的情况下进行维修和调整。但是本安型仪表不能单独使用，必须和本安关联设备（安全栅）、外部配线等一起组成本安电路，才能发挥防爆功能。
Nanjing?New?Power?Electric?Technology?Co.,?Ltd
Addr.: 6 Floor, Building1, New Space Development Center, No.126 tianyuan middle road, jiangning district, Nanjing
Zip code: 211100
Tel: +86(25)84459303 84459429 84459479
Fax: +86(25)84519256
E-mall: master@anpe.cn
Service Tel: 800-828-9961
New park: 19 Jinxin Middle Road, Jiangning District, Nanjing (Jiangning Development Zone)
