Item #: AS1-R3-8237
$170.00 Was: $190.00
Update price

4-Gas SO2 Mix for RAE (50% LEL, 50ppm CO, 5ppm SO2, 20.9% O2)

The SO2 4-gas mix is intended for classic RAE instruments like the MultiRAE Plus and VRAE. The mix is composed of 50% LEL Methane (2.5% Vol), 50ppm Carbon Monoxide (CO), 5ppm Sulfur Dioxide (SO2), and 20.9% Oxygen (O2) with a Nitrogen (N2) balance.


  • C-10 Regulator Required
  • Available in a 34L or 58L aluminum cylinder


  • Size: 34L
  • Shelf Life: 12+ months


  • Size: 58L
  • Shelf Life: 12+ months