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The VARIOTEC 4×0 range gives network technicians an efficient and cost-effective means of carrying out all common measurement tasks in gas distribution networks. 

®The VARIOTEC 4×0 instruments utilize the same accessories and probes as previous generations of Sewerin gas measuring instruments so if you are upgrading there is no need to purchase new ones. 

The 480 EX and 460 EX can incorporate an optional ethane detector to quickly distinguish between natural and swamp gas. No more false indications from swamp gas rather than natural gas 

All variants, except for the VARIOTEC 400 EX, can have optional oxygen and carbon monoxide sensors fitted. 


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