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, RI-85, no gas, fits two 34AL cylinders, dispensing valve, gas bag, case & tubing SKU: 81-RI85NG-LV Price: $155.00 In Stock	Cal kit, RX-415/RX-8000, 34L cyl 50% LEL CH4/Air, 34L cyl 50% vol CH4/Air, 34L cyl 100% N2, disp valve, 3 gas bags, case & tubing SKU: 81-RX415CH4 Price: $425.00 In Stock
Cal kit, RX-415/RX-8000, 34L cyl 50% LEL isobutane/Air, 17L cyl 10% vol isobutane/Air, 34L cyl 100% N2, disp valve, three gas bags, case & tubing SKU: 81-RX415HC Price: $415.00 In Stock	Cal kit, RX-415/RX-8000, 34L cyl 50% LEL isobutane/Air, 34L cyl 10% vol isobutane/Air, 34L cyl 100% N2, dem flow reg, case & tubing SKU: 81-RX415HCD Price: $540.00 In Stock
Cal kit, RX-515, 34AL cyl 50% vol CH4 in N2, 103L steel cyl 15% CO2 in N2, 103L steel cyl CO/CH4/O2, dem flow reg, case & tubing SKU: 81-RX515 Price: $925.00 In Stock	Cal kit, RX-515, 34L cyl 10% vol CH4 in N2, 34L cyl 50% LEL CH4 in Air, 34L cyl 100 ppm CO in N2, 34L cyl 15% CO2 in N2, dispensing valve, three gas bags, case & tubing SKU: 81-RX515-LV Price: $715.00 In Stock
Cal kit, RX-516, 17L cyl 10% vol isobutane in N2, 34AL cyl 50 ppm H2S/50% LEL isobutane in N2, reg with gauge & knob, disp valve, two gas bags, case & tubing SKU: 81-RX516-LV Price: $565.00 In Stock	Cal kit, RX-517, 34L cyl 50 ppm H2S/50% LEL isobutane in N2, 17L cyl 10% vol isobutane/N2, disp valve, 6 LPM regulator, two gas bags, case & tubing SKU: 81-RX517-LV Price: $565.00 In Stock
Cal kit, RX-517, 34L cyl 50 ppm H2S/50% LEL isobutane in N2, 17L cyl 10% vol isobutane/N2, two demand flow regs, case & tubing SKU: 81-RX517-DLV Price: $875.00 In Stock	Cal kit, RX-517, 58AL cyl 50 ppm H2S/50% LEL isobutane in N2, 17L cyl 10% vol isobutane in N2, two demand flow regulators, case & tubing SKU: 81-RX517RK Price: $935.00 In Stock
Cal kit, RX-517, two dem flow regs, screwdriver, case for 58AL / 103L steel cylinders & tubing (No Gas) SKU: 81-RX517RKNG Price: $660.00 In Stock	Cal kit, SC-01, 103L steel cyl 50 ppm CO/N2, reg with gauge & knob, cal cup, case & tubing SKU: 81-SC01CO Price: $470.00 In Stock
Cal kit, SC-01, 34AL cyl 0.5 ppm PH3/N2, reg with gauge & knob, cal cup, case & tubing SKU: 81-SC01ASH3-LV Price: $640.00 In Stock	Cal kit, SC-01, 34AL cyl 10 ppm HCN/N2, reg with gauge & knob, cal cup, case & tubing SKU: 81-SC01HCN-LV Price: $655.00 In Stock
Cal kit, SC-01, 34AL cyl 2 ppm Cl2/N2, reg with gauge & knob, cal cup, case & tubing SKU: 81-SC01CL2-LV Price: $600.00 In Stock	Cal kit, SC-01, 34AL cyl 25 ppm H2S/N2, reg with gauge & knob, cal cup, case & tubing SKU: 81-SC01H2S-LV Price: $465.00 In Stock
Cal kit, SC-01, 34AL cyl 25 ppm NH3/N2, reg with gauge & knob, cal cup, case & tubing SKU: 81-SC01NH3-LV Price: $665.00 In Stock	Cal kit, SC-01, 34AL cyl 5 ppm SO2/N2, reg with gauge & knob, cal cup, case & tubing SKU: 81-SC01SO2-LV Price: $475.00 In Stock
Cal kit, SC-01, 34L cyl 50 ppm CO/N2, reg with gauge & knob, cal cup, case & tubing SKU: 81-SC01CO-LV Price: $375.00 In Stock	Cal kit, SC-01, 58AL cyl 0.5 ppm PH3/N2, reg with gauge & knob, cal cup, case & tubing SKU: 81-SC01ASH3 Price: $650.00 In Stock
Cal kit, SC-01, 58AL cyl 10 ppm HCN/N2, reg with gauge & knob, cal cup, case & tubing SKU: 81-SC01HCN Price: $650.00 In Stock	Cal kit, SC-01, 58AL cyl 2 ppm Cl2/N2, reg with gauge & knob, cal cup, case & tubing SKU: 81-SC01CL2 Price: $720.00 In Stock
Cal kit, SC-01, 58AL cyl 25 ppm H2S/N2, reg with gauge & knob, cal cup, case & tubing SKU: 81-SC01H2S Price: $475.00 In Stock	Cal kit, SC-01, 58AL cyl 25 ppm NH3/N2, reg with gauge & knob, cal cup, case & tubing SKU: 81-SC01NH3 Price: $660.00 In Stock
Cal kit, SC-01, 58AL cyl 5 ppm SO2/N2, reg with gauge & knob, cal cup, case & tubing SKU: 81-SC01SO2 Price: $515.00 In Stock	Cal kit, SC-04, 34AL cyl CL2 5 ppm in N2, regulator, cal cup, case & tubing SKU: 81-SC04CL2-LV Price: $515.00 In Stock
Cal kit, SC-04, 34AL cyl HCN 10 ppm in N2, regulator, cal cup, case & tubing SKU: 81-SC04HCN-LV Price: $580.00 In Stock	Cal kit, SC-04, 34AL cyl NH3 25 ppm in N2, regulator, cal cup, case & tubing SKU: 81-SC04NH3-LV Price: $580.00 In Stock
Cal kit, SC-04, 34AL cyl NO2 10 ppm in N2, regulator, cal cup, case & tubing SKU: 81-SC04NO2-LV Price: $560.00 In Stock	Cal kit, SC-04, 34AL cyl PH3 0.5 ppm in N2, regulator, cal cup, case & tubing SKU: 81-SC04PH3-LV Price: $570.00 In Stock
Cal kit, SC-04, 34AL cyl SO2 5 ppm in N2, regulator, cal cup, case & tubing SKU: 81-SC04SO2-LV Price: $400.00 In Stock	Cal kit, SP-220, 34L steel cyl CH4 10% LEL in air, demand flow regulator, case & tubing SKU: 81-SP220M-DLV Price: $435.00 In Stock
Cal kit, SP-220, 34L steel cyl H2 2000 ppm in air, 34L steel cyl CH4 10% LEL in air, demand flow regulator SKU: 81-SP220H2-DLV Price: $490.00 In Stock	Cal kit, SP-220, 34L steel cyl H2 2000 ppm in air, 34L steel cyl CH4 10% LEL in air, dispensing valve, gas bag, case & tubing SKU: 81-SP220H2-LV Price: $270.00 In Stock
Cal kit, SP-220, 34L steel cyl isobutane 20% LEL in air, demand flow regulator, case & tubing SKU: 81-SP220F-DLV Price: $435.00 In Stock	Cal kit, SP-220, 34L steel cyl isobutane 20% LEL in air, dispensing valve, gas bag, case & tubing SKU: 81-SP220F-LV Price: $210.00 In Stock
Cal kit, SP-220, 34L steel cyl Propane 25% LEL in air, demand flow regulator, case & tubing SKU: 81-SP220L-DLV Price: $435.00 In Stock	Cal kit, SP-220, 34L steel cyl Propane 25% LEL in air, dispensing valve, gas bag, case & tubing SKU: 81-SP220L-LV Price: $210.00 In Stock
Cal kit, T2A/T3A for HF, 34AL cyl Cl2 2 ppm in N2, regulator, case, XP cal cup, and tubing SKU: 81-T1410-LV Price: $645.00 In Stock	Cal kit, T2A/T3A, 34AL cyl Cl2 2 ppm in N2, regulator, case, XP cal cup, and tubing SKU: 81-T1203-LV Price: $645.00 In Stock