Starting at $310.21
Due to restrictions on hazardous shipping, a $51 hazardous materials fee will be added to your shipping costs & shipping may take longer.
  • Usually ships in 3-4 weeks



  • Calibration Gas Cylinders for the Basic M2B, M21 and M22 Transmitters
  • Calibration gases include:
    • Butane
    • Chlorine (SS regulator required)
    • Ethylene
    • Hydrogen sulfide
    • Hydrogen chloride (SS regulator required)
    • Hydrogen cyanide
    • Methane
    • Ammonia (SS regulator required)
    • Nitrogen dioxide
    • Pentane
    • Propane
    • Sulpher dioxide


The Net Safety CAL-CYL Calibration Gas Cylinders are used with the Millennium II Basic M2B, Millennium II M21, Millennium II M22 Transmitters. The gas options include butane, chlorine, ethylene, hydrogen sulfide, hydrogen chloride, hydrogen cyanide, methane, ammonia, nitrogen dioxide, pentane, propane and sulpher dioxide.