Gas Mixers and Gas Dilutors (Series 4020)

A low cost, computerized gas blending, and gas dilution system with an advanced Windows user interface, the Series 4020 now has the expanded capability of mixing up to 7 gases in a balance gas or diluting up to 10:000:1.

The Environics® Series 4020 is a computerized gas mixing/dilution system that offers the unique capability of mixing or diluting gases in a single chassis.

Technical Brochure



  • The broad range of dilution ratios (up to 10,000:1) allows the user to significantly reduce the number of cylinders needed to perform compliance tests.
  • Allows multi-point calibration of analyzers.
  • Automatic calculation of dilution and span gas flows.
  • Internally-stored Mass Flow Controller calibration tables.
  • Modular design allows for additional gas circuits to be added.
  • The user-definable cylinder library allows for easy selection of frequently used gas cylinders. Each cylinder may contain an unlimited number of component gases with automatic K-factor calculations.
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