Explosion proof performance: This product is intrinsically safe explosion-proof highest level (IA), available in various inflammable and explosive places (including 0 districts) work completely.
防爆性能：本产品具有本安型最高防爆等级(ia)，可在各种易燃易爆场所(含0区)内完全工作。
Explosion proof performance: This product is intrinsically safe explosion-proof highest level (IA), available in various inflammable and explosive places (including 0 districts) work completely.
防爆性能：本产品具有本安型最高防爆等级(ia)，可在各种易燃易爆场所(含0区)内完全工作。
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