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, fixed, 34AL cyl 10 ppm Nitrogen Dioxide in Air, reg with gauge & knob, cal cup for super toxic GD-K8A (rim feed), screwdriver, case & tubing SKU: 81-F804RK-LV Price: $570.00 In Stock	Cal kit, fixed, 34AL cyl 2 ppm Chlorine in N2, 34L 100% N2, reg with gauge & knob, cal cup for super toxic GD-K8A (rim feed), screwdriver, gas bag, case & tubing (includes special dilution instructions for O3 calibration) SKU: 81-F604RK-LV Price: $710.00 In Stock
Cal kit, fixed, 34AL cyl 2 ppm Chlorine in N2, reg with gauge & knob, cal cup for ESM-01-Cl2 sensor, screwdriver, case & tubing SKU: 81-F603RK-LV Price: $580.00 In Stock	Cal kit, fixed, 34AL cyl 2 ppm Chlorine in N2, reg with gauge & knob, cal cup for super toxic GD-K8A (rim feed), screwdriver, case & tubing SKU: 81-F601RK-LV Price: $530.00 In Stock
Cal kit, fixed, 34AL cyl 2 ppm Chlorine in N2, reg with gauge & knob, cal cup, screwdriver, case & tubing SKU: 81-F605-LV Price: $560.00 In Stock	Cal kit, fixed, 34AL cyl 2 ppm Nitrogen Dioxide in Air, high flow reg with gauge & knob, gas bag, screwdriver, case & tubing SKU: 81-F804RKS-LV Price: $575.00 In Stock
Cal kit, fixed, 34AL cyl 25 ppm Ammonia in N2, reg with gauge & knob, cal cup for ESM-01-NH3 sensor, screwdriver, case & tubing SKU: 81-F503RK-LV Price: $645.00 In Stock	Cal kit, fixed, 34AL cyl 25 ppm Ammonia in N2, reg with gauge & knob, cal cup for super toxic GD-K8A (rim feed), screwdriver, case & tubing SKU: 81-F501RK-LV Price: $590.00 In Stock
Cal kit, fixed, 34AL cyl 25 ppm Hydrogen Sulfide in N2, reg with gauge & knob, cal cup, screwdriver, case & tubing SKU: 81-F101RK-LV Price: $435.00 In Stock	Cal kit, fixed, 34AL cyl 25 ppm Nitric Oxide in N2, reg with gauge & knob, cal cup for super toxic GD-K8A (rim feed), screwdriver, case & tubing SKU: 81-F810RK-LV Price: $570.00 In Stock
Cal kit, fixed, 34AL cyl 400 ppm Hexane in Air, humidifier tube, reg with gauge & knob, cal cup for GD-A8 / GD-A8V, screwdriver, case & tubing SKU: 81-F010RK-LV Price: $925.00 In Stock	Cal kit, fixed, 34AL cyl 400 ppm Hexane in Air, humidifier tube, reg with gauge & knob, cal cup, screwdriver, case & tubing SKU: 81-F011RK-LV Price: $870.00 In Stock
Cal kit, fixed, 34AL cyl 5 ppm Chlorine in N2, demand flow reg, screwdriver, case & tubing SKU: 81-F601RKDS-LV5 Price: $655.00 In Stock	Cal kit, fixed, 34AL cyl 5 ppm Sulfur Dioxide in N2, reg with gauge & knob, cal cup for ESM-01 toxic sensors (not for Cl2 or NH3), screwdriver, case & tubing SKU: 81-F702RK-LV Price: $495.00 In Stock
Cal kit, fixed, 34AL cyl Ammonia 25 ppm in N2, reg with gauge & knob, cal cup for CT7 sensor, screwdriver, case & tubing SKU: 81-F504RK25-LV Price: $620.00 In Stock	Cal kit, fixed, 34L cyl 1,000 ppm Hydrogen in Air, 34L cyl Zero Air, humidifier, regulator, screwdriver, case & tubing SKU: 81-F017RK-LV Price: $820.00 In Stock
Cal kit, fixed, 34L cyl 1,000 ppm Hydrogen in Air, humidifier tube, reg with gauge & knob, cal cup, screwdriver, case & tubing SKU: 81-F007RK-LV Price: $760.00 In Stock	Cal kit, fixed, 34L cyl 100 ppm Carbon Monoxide in N2, reg with gauge & knob, cal cup, screwdriver, case & tubing SKU: 81-F201RK-LV Price: $350.00 In Stock
Cal kit, fixed, 34L cyl 100 ppm Carbon Monoxide in N2, reg with gauge & knob, GX-82/86 cal cup, screwdriver, case & tubing SKU: 81-F202RK-LV Price: $345.00 In Stock	Cal kit, fixed, 34L cyl 100% N2, reg with gauge & knob, cal cup, case & tubing SKU: 81-F302RK-LV Price: $330.00 In Stock
Cal kit, fixed, 34L cyl 1000 ppm Hydrogen in Air, reg with gauge & knob, cal cup for GD-A8 / GD-A8V, screwdriver, case & tubing SKU: 81-F039RK-LV Price: $825.00 In Stock	Cal kit, fixed, 34L cyl 15% Carbon Dioxide in N2, 34L cyl 100% N2, reg with gauge & knob, cal cup for IR 3/4” NPT sensor, case & tubing SKU: 81-F408RK-LV Price: $365.00 In Stock
Cal kit, fixed, 34L cyl 15% LEL Hexane in Air, 34L cyl 100% zero air, reg with gauge & knob, case & tubing SKU: 81-F034RK-LV Price: $405.00 In Stock	Cal kit, fixed, 34L cyl 15% LEL Hexane in Air, disp valve, gas bag, screwdriver, case & tubing SKU: 81-F001RKS-LV Price: $230.00 In Stock
Cal kit, fixed, 34L cyl 15% LEL Hexane in Air, reg with gauge & knob, cal cup for GD-A8 / GD-A8V, screwdriver, case & tubing SKU: 81-F009RK-LV Price: $405.00 In Stock	Cal kit, fixed, 34L cyl 15% LEL Hexane in Air, reg with gauge & knob, cal cup for IR 3/4” NPT sensor, screwdriver, case & tubing SKU: 81-F001RKIR-LV Price: $305.00 In Stock
Cal kit, fixed, 34L cyl 15% LEL Hexane in Air, reg with gauge & knob, cal cup, screwdriver, case & tubing SKU: 81-F001RK-LV Price: $350.00 In Stock	Cal kit, fixed, 34L cyl 2,000 ppm Carbon Dioxide in N2, 34L cyl 100% N2, demand flow reg, screwdriver, case & tubing SKU: 81-F404RKS-DLV Price: $510.00 In Stock
Cal kit, fixed, 34L cyl 2,000 ppm Carbon Dioxide in N2, 34L cyl 100% N2, reg with gauge & knob, cal cup for IR 3/4” NPT sensor, case & tubing SKU: 81-F404RK-LV Price: $365.00 In Stock	Cal kit, fixed, 34L cyl 2,000 ppm Hydrogen in Air, humidifier tube assembly, reg with gauge & knob, cal cup, screwdriver, case & tubing SKU: 81-F025RK-LV Price: $765.00 In Stock
Cal kit, fixed, 34L cyl 2.5% Carbon Dioxide in N2, 34L cyl 100% N2, reg with gauge & knob, cal cup for IR 3/4” NPT sensor, screwdriver, case & tubing SKU: 81-F403RK-LV Price: $365.00 In Stock	Cal kit, fixed, 34L cyl 2.5% Carbon Dioxide in N2, 34L cyl Compressed Air, 34L cyl 100% N2, reg with gauge & knob, cal cup for IR 3/4” NPT sensor, cal cup standard, case & tubing SKU: 81-F944RK-LV Price: $405.00 In Stock
Cal kit, fixed, 34L cyl 20% LEL Isobutane in Air, reg with gauge & knob, cal cup for GD-A8 / GD-A8V, screwdriver, case & tubing SKU: 81-F029RKIB-LV Price: $390.00 In Stock	Cal kit, fixed, 34L cyl 20% LEL Isobutane in Air, reg with gauge & knob, cal cup for IR 3/4” NPT sensor, screwdriver, case & tubing SKU: 81-F031RKIB-LV Price: $290.00 In Stock
Cal kit, fixed, 34L cyl 200 ppm Carbon Monoxide in Air, reg with gauge & knob, cal cup, screwdriver, case & tubing SKU: 81-F204RK-LV Price: $350.00 In Stock	Cal kit, fixed, 34L cyl 25 ppm Hydrogen Sulfide in N2, reg with gauge & knob, GX-82/86 cal cup, screwdriver, case & tubing SKU: 81-F102RK-LV Price: $430.00 In Stock
Cal kit, fixed, 34L cyl 50 ppm Carbon Monoxide / 50% LEL Methane / 12% Oxygen in N2, 34AL cyl 25 ppm Hydrogen Sulfide in N2, reg with gauge & knob (34L cyl), reg with gauge & knob (34AL cyl), cal cup, screwdriver, case & tubing SKU: 81-F920RK-LV Price: $685.00 In Stock	Cal kit, fixed, 34L cyl 50 ppm Carbon Monoxide in N2, reg with gauge & knob, cal cup, screwdriver, case & tubing SKU: 81-F203RK-LV Price: $320.00 In Stock
Cal kit, fixed, 34L cyl 50% LEL Hydrogen in Air, 34L cyl 100% N2, reg with gauge & knob, cal cup, screwdriver, case & tubing SKU: 81-F924RK-LV Price: $405.00 In Stock	Cal kit, fixed, 34L cyl 50% LEL Hydrogen in Air, disp valve, gas bag, screwdriver, case & tubing SKU: 81-F004RKS-LV Price: $230.00 In Stock