Calibration Gases

Apollo Safety offers a wide range of NIST traceable calibration gases for all calibration needs.

Ammonia (NH3) Available in 10, 25, 100, 200 PPM

Carbon Monoxide (CO) Available in 25, 50, 100, 300, 500 PPM

Chlorine (CL2) Available in 2, 5, 10 PPM

Hydrogen (H2) Availble in 10% LEL, 50 % LEL

Hydrogen Sulfide (H2S)

Hydrogen Cyanide (HCN)

Methane (CH4) Available in 5% LEL, 10% LEL, 50% LEL and 99.9%/Vol

Nitrogen (N2) Available in in 99.9% / Vol

Sulfur Dioxide (SO2) Available in 5 , 10 PPM

Silane (SiH4) Available in 5, 10 PPM

Hexane15% / LEL

Many other concentrations and custom calibration mixtures also available. 

Call toll-free 800-813-5408 to speak with one of our gas detection experts.

Prices are subject to change without notice due to ongoing tariff adjustments and market conditions. For the most accurate and up-to-date pricing, please contact us directly.

Cal kit, EAGLE, 103L steel cyl 2.5% CO2/N2, 103L steel cyl CO/CH4/O2, dem flow reg, screwdriver, case & tubing SKU: 81-5416RK03 Price: $700.00 In Stock	Cal kit, EAGLE, 103L steel cyl 2.5% CO2/N2, 103L steel cyl CO/CH4/O2/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5316RK-03 Price: $680.00 In Stock
Cal kit, EAGLE, 103L steel cyl 2.5% CO2/N2, 34AL cyl H2S/CO/CH4/O2, 34AL cyl NH3/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5608RK03-DLV Price: $1,170.00 In Stock	Cal kit, EAGLE, 103L steel cyl 2.5% CO2/N2, 58AL cyl 25 ppm H2S/CO/CH4/O2, dem flow reg, screwdriver, case & tubing SKU: 81-5504RK03 Price: $725.00 In Stock
Cal kit, EAGLE, 103L steel cyl 2.5% CO2/N2, 58AL cyl H2S/CO/CH4/O2, dem flow reg, screwdriver, case & tubing SKU: 81-5439RK03-H Price: $770.00 In Stock	Cal kit, EAGLE, 103L steel cyl 2.5% CO2/N2, 58AL cyl NH3/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5223RK03 Price: $870.00 In Stock
Cal kit, EAGLE, 103L steel cyl 2.5% CO2/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5115RK03 Price: $540.00 In Stock	Cal kit, EAGLE, 103L steel cyl 25% LEL Pent/CO/O2, 58AL cyl Cl2/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5308RKP Price: $930.00 In Stock
Cal kit, EAGLE, 103L steel cyl 25% LEL Pent/CO/O2, 58AL cyl NH3/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5406RK-P Price: $1,665.00 In Stock	Cal kit, EAGLE, 103L steel cyl 25% LEL Pent/CO/O2, dem flow reg, case & tubing SKU: 81-5302RKP Price: $525.00 In Stock
Cal kit, EAGLE, 103L steel cyl 5,000 ppm CO2/N2, 103L steel cyl CO/CH4/O2, dem flow reg, screwdriver, case & tubing SKU: 81-5416RK02 Price: $700.00 In Stock	Cal kit, EAGLE, 103L steel cyl 5,000 ppm CO2/N2, 58AL cyl 25 ppm H2S/CO/CH4/O2, dem flow reg, screwdriver, case & tubing SKU: 81-5504RK02 Price: $725.00 In Stock
Cal kit, EAGLE, 103L steel cyl 5,000 ppm CO2/N2, 58AL cyl H2S/CO/CH4/O2, 58AL cyl NH3/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5608RK02 Price: $1,210.00 In Stock	Cal kit, EAGLE, 103L steel cyl 5,000 ppm CO2/N2, 58AL cyl NH3/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5223RK02 Price: $840.00 In Stock
Cal kit, EAGLE, 103L steel cyl 5,000 ppm CO2/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5115RK02 Price: $525.00 In Stock	Cal kit, EAGLE, 103L steel cyl 50% LEL CH4/Air, 103L steel cyl 10 ppm NO2/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5286RK Price: $825.00 In Stock
Cal kit, EAGLE, 103L steel cyl 50% LEL CH4/Air, 58AL cyl 2 ppm Cl2/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5296RK Price: $805.00 In Stock	Cal kit, EAGLE, 103L steel cyl 50% LEL CH4/Air, 58L steel cyl 50% vol CH4/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5238RK Price: $710.00 In Stock
Cal kit, EAGLE, 103L steel cyl 50% LEL H2 in n2, 103L steel cyl 100 ppm CO in air, 34AL 5 ppm SO2 in n2, dem flow reg, screwdriver, case & tubing SKU: 81-5394RKH2-DLV Price: $1,015.00 In Stock	Cal kit, EAGLE, 103L steel cyl 50% LEL H2/Air, 103L steel cyl 100% N2, dem flow reg, case & tubing SKU: 81-5201RKTR1 Price: $680.00 In Stock
Cal kit, EAGLE, 103L steel cyl 50% LEL H2/N2, 103L steel cyl 15% CO2/N2, 34AL cyl NH3/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5448RK05H2 Price: $1,160.00 In Stock	Cal kit, EAGLE, 103L steel cyl 50% LEL Hydrogen/Air, 103L steel cyl 100% N2, 58AL cyl H2S/CO/CH4/O2, 58AL cyl 2 ppm Chlorine/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5549RK Price: $1,320.00 In Stock
Cal kit, EAGLE, 103L steel cyl 50% LEL Hydrogen/Air, dem flow reg, case & tubing SKU: 81-5101RK-H2 Price: $525.00 In Stock	Cal kit, EAGLE, 103L steel cyl 50% LEL Hydrogen/Air, reg, gas bag, case & tubing SKU: 81-5101RK-H2B Price: $400.00 In Stock
Cal kit, EAGLE, 103L steel cyl 50% LEL Isobutane/Air, dem flow reg, case & tubing SKU: 81-5101RK-ISO Price: $525.00 In Stock	Cal kit, EAGLE, 103L steel cyl 50% LEL Methane/Air, 103L steel cyl 5,000 ppm CO2/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5243RK02 Price: $700.00 In Stock
Cal kit, EAGLE, 103L steel cyl 50% LEL Methane/Air, 58AL cyl SiH4/N2, 34AL cyl Cl2/N2, dem flow reg, case & tubing SKU: 81-5350RK-DLV Price: $1,360.00 In Stock	Cal kit, EAGLE, 103L steel cyl 50% LEL Propane/Air, dem flow reg, case & tubing SKU: 81-5101RKP Price: $525.00 In Stock
Cal kit, EAGLE, 103L steel cyl 5000 ppm CO2/N2, 103L steel cyl CO/CH4/O2/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5316RK02 Price: $700.00 In Stock	Cal kit, EAGLE, 103L steel cyl CH4/CO/O2, dem flow reg, case & tubing SKU: 81-5201RK Price: $525.00 In Stock
Cal kit, EAGLE, 103L steel cyl CO/15% LEL Hexane/O2/N2, 58AL cyl PH3/N2, 58AL cyl HCl/N2, reg with gauge & knob, gas bag, screwdriver, case & tubing SKU: 81-5440RKH Price: $1,480.00 In Stock	Cal kit, EAGLE, 103L steel cyl CO/CH4/O2, 58AL cyl Cl2/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5308RK Price: $930.00 In Stock
Cal kit, EAGLE, 103L steel cyl CO/CH4/O2, 58AL cyl NH3/N2, 58AL cyl Cl2/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5506RK Price: $1,665.00 In Stock	Cal kit, EAGLE, 103L steel cyl CO/CH4/O2, 58AL cyl SO2/N2, 58AL cyl Cl2/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5505RK Price: $1,545.00 In Stock
Cal kit, EAGLE, 103L steel cyl CO/CH4/O2, dem flow reg, case & tubing SKU: 81-5302RK Price: $525.00 In Stock	Cal kit, EAGLE, 103L steel cyl CO/Hex/O2, 58AL cyl 25 ppm NH3/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5412RKH Price: $1,010.00 In Stock
Cal kit, EAGLE, 103L steel cyl CO/Hex/O2, dem flow reg, case & tubing SKU: 81-5201RKH Price: $525.00 In Stock	Cal kit, EAGLE, 103L steel cyl CO/LEL/O2, 34AL cyl 25 ppm NH3/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5412RK-DLV Price: $865.00 In Stock
Cal kit, EAGLE, 103L steel cyl CO/LEL/O2, 58AL cyl 25 ppm NH3/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5412RK Price: $870.00 In Stock	Cal kit, EAGLE, 103L steel cyl CO/LEL/O2, 58AL cyl NH3/N2, 58AL cyl Cl2/N2, dem flow reg, screwdriver, case & tubing SKU: 81-5406RK Price: $1,665.00 In Stock