VARIOTEC 480 / 460 / 450 / 400 EX

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Cost-effective combination measuring devices for gas supply


The VARIOTEC® 480 EX devices from SEWERIN with their intuitive controls enable users to work efficiently and cost-effectively. The VARIOTEC® 480 EX family covers almost all common gas measurement applications in the gas supply branch. Models 480 EX and 460 EX can be optionally fitted with a detector for ethane analysis to help you safely distinguish between natural gas and swamp gas. All devices can also be individually fitted with electrochemical sensors. The VARIOTEC® 480 EX family integrates seamlessly into the SEWERIN product range, so existing accessories can still be used.


  • The innovative operating concept, with jog dial, soft keys and menu navigation

  • Large-format matrix display with backlight shows all values at a glance

  • Rapid charging in four hours even without a charging station means high availability

  • Power supplied from four replaceable AA-size rechargeable or disposable batteries

  • PC communication via USB bus

  • No complicated setup required even after an extended period of disuse

  • Cost-effective operation thanks to low procurement costs, high availability, low maintenance costs, and paperless inspection

  • Fast and highly-sensitive semiconductor sensor for measuring an extremely small amount of gas in the ppm range

  • Two optional EC sensors for oxygen and carbon monoxide

  • Ethane analysis to distinguish between natural gas and swamp gas without any other accessories (optional)

  • Explosion protection: TÜV 07 ATEX 553353 X, II2G Ex d e ib IIB T4, 
    IIC when used with the TG8 carrying bag

  • Measuring function: BVS 09 ATEX G 001 X N1, PFG 08 G 002 X N1
    (measuring function available for VARIOTEC® 480 EX, 450 EX only)

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