GD8000C quantitative Leak in SF6 speculativae ratio maxime adhibetur in 35KV SF6 commutandi locus et 500KV, 220KV, 110KV GIS locus in substatione ut monitor lacus SF6 gasi in SF6 componantur electrica apparatu cubiculi ambitus et oxygenii contenti in aere in tempore reali. .