Flammable Gases
Combustible gas/smoke: 100-10,000ppm
Town gas: 300-5,000ppm
Carbon monoxide + combustible gas
Methane/Natural Gas: 500-10,000ppm
Hydrogen: 50-10,000ppm
Air Quality Control
O³ (Ozone): 10ppb - 2ppm
H²S (Hydrogen Sulphide)
Freon (or other CFC's): 500-10,000ppm
General air contaminant, including; NH³ (Ammonia), NO² (Nitrous Oxide), Benzene, smoke etc. Sensitivity of individual gases varies.
General air contaminants including; n-Hexane, Benzene, NH³ (Ammonia), Alcohol, smoke, CO (Carbon Monoxide. Sensitivity to individual gases varies)
C²H² (Acetylene): 500ppm 2000ppm
NH³ (Ammonia)