491Flex™ Gas Standards Generator

            

 

 The 491Flex™ Gas Standards Generator provides:

 

 

  • Industry-standard for over 40 years
  • Permeation tube oven with wide temperature range controlled to 0.1 °C
  • Primary dilution mass flow rate
  • Standby, zero and span modes
  • Single-oven module can create mixtures with up to 8 components
  • Expandable (limited)