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.

Click Image For More Details 81-0003RK-17 Cylinder,Propane,10% LEL in Air,17L SKU: 81-0003RK-17 Price: $45.00	Click Image For More Details 81-0012RK Cylinder, Methane, 50% LEL in Air, 17L SKU: 81-0012RK Price: $40.50
Click Image For More Details 81-0018RK Cylinder, isobutane 50% LEL in Air, 17L SKU: 81-0018RK Price: $45.00	Click Image For More Details 81-0028RK Cylinder,50% LEL acetylene in Air,17 liter SKU: 81-0028RK Price: $45.00
Click Image For More Details 81-0077RK-01 Cylinder, Compressed Air, 34L SKU: 81-0077RK-01 Price: $55.00	Click Image For More Details 81-0091RK Cylinder, Pentane 25% LEL / CO 100 ppm / O2 19% in N2, 17L SKU: 81-0091RK Price: $45.00
Click Image For More Details 81-0093RK Cylinder, Pentane 25% LEL / CO 50 ppm / O2 12% in N2, 17L SKU: 81-0093RK Price: $45.00	Click Image For More Details 81-0094RK Cylinder, nbutane 50% LEL / O2 12% / N2, 17L SKU: 81-0094RK Price: $45.00
Click Image For More Details 81-0095RK Cylinder,Oxygen 25% Vol in N2,17L SKU: 81-0095RK Price: $60.00	Click Image For More Details 81-0101RK Cylinder, Methane 50% LEL/17% O2 in N2, 17L SKU: 81-0101RK Price: $45.00
Click Image For More Details 81-0137RK-04 Cylinder,25 ppm H2S/100 ppm CO/50 %LEL CH4/18 %vol O2,34L SKU: 81-0137RK-04 Price: $165.00	Click Image For More Details 81-0139RK-04 Cylinder,20 ppm H2S/60 ppm CO/1.45 %vol CH4/15 %vol O2,34L SKU: 81-0139RK-04 Price: $135.00
Click Image For More Details 81-0160RK-02 Cylinder,10ppm H2S/50 ppm CO/50%LEL CH4/12% O2,58L SKU: 81-0160RK-02 Price: $245.00	Click Image For More Details 81-0177RK-03 Cylinder, Nitrogen Trifluoride, 25 ppm in N2, 100L SKU: 81-0177RK-03 Price: $480.00
81-0900RK Gas check card for FP-250 & FP-270 series only SKU: 81-0900RK Price: $15.00	Click Image For More Details Industrial Scientific 18100149 Cal Kit, Without Gas, With Regulator SKU: 18100149 Price: $300.36 In Stock
Click Image For More Details Industrial Scientific 18100164 Cylinder, Calibration Gas, .525% Propane (25% LEL), Steel, 34L SKU: 18100164 Price: $72.42 In Stock	Click Image For More Details Industrial Scientific 18100172 Cylinder, Calibration Gas, 1.05% Propane (50% LEL), Steel, 34L SKU: 18100172 Price: $72.42 In Stock
Click Image For More Details Industrial Scientific 18100206 Cylinder, Calibration Gas, 1% Methane (20% LEL), Steel, 34L SKU: 18100206 Price: $72.42 In Stock	Click Image For More Details Industrial Scientific 18100214 Cylinder, Calibration Gas, 2.5% Methane (50% LEL), Steel, 34L SKU: 18100214 Price: $72.42 In Stock
Click Image For More Details Industrial Scientific 18100271 Cylinder, Calibration Gas, 20.9% Oxygen, Steel, 34L SKU: 18100271 Price: $72.42 In Stock	Click Image For More Details Industrial Scientific 18100289 Cylinder, Calibration Gas, 19% Oxygen, Steel, 34L SKU: 18100289 Price: $72.42 In Stock
Click Image For More Details Industrial Scientific 18100453 Cylinder, Calibration Gas, 1% Hydrogen (25%LEL), Steel, 34L SKU: 18100453 Price: $75.79 In Stock	Click Image For More Details Industrial Scientific 18100461 Cylinder, Calibration Gas, 2% Hydrogen (50%LEL), Steel, 34L SKU: 18100461 Price: $72.42 In Stock
Click Image For More Details Industrial Scientific 18100693 Cylinder, Calibration Gas, 20.9% Oxygen, Steel, 34L SKU: 18100693 Price: $72.42 In Stock	Click Image For More Details Industrial Scientific 18100701 Cylinder, Calibration Gas, 100 ppm Carbon Monoxide, Steel, 34L SKU: 18100701 Price: $76.32 In Stock
Click Image For More Details Industrial Scientific 18100719 Cylinder, Calibration Gas, 50 ppm Carbon Monoxide, Steel, 34L SKU: 18100719 Price: $72.42 In Stock	Click Image For More Details Industrial Scientific 18100743 CAL KIT, 100 PPM CO, ZERO AIR, 34 L, WITH REGULATOR SKU: 18100743 Price: $517.62 In Stock
Click Image For More Details Industrial Scientific 18100842 CAL KIT, 25 PPM H2S, 58 L, WITH REGULATOR SKU: 18100842 Price: $574.60 In Stock	Click Image For More Details Industrial Scientific 18100859 Cylinder, Calibration Gas, 25 ppm Hydrogen Sulfide, Aluminum, 58L SKU: 18100859 Price: $239.81 In Stock
Click Image For More Details Industrial Scientific 18101063 Cylinder, Calibration Gas, 300 ppm Carbon Monoxide, Steel, 34L SKU: 18101063 Price: $72.42 In Stock	Click Image For More Details Industrial Scientific 18101162 Cylinder, Calibration Gas, .35% Pentane (25% LEL), Steel, 34L SKU: 18101162 Price: $72.42 In Stock
Click Image For More Details Industrial Scientific 18101212 CAL KIT, 10 PPM SO2, 58 L, WITH REGULATOR SKU: 18101212 Price: $574.60 In Stock	Click Image For More Details Industrial Scientific 18101220 Cylinder, Calibration Gas, 10 ppm Sulfur Dioxide, Aluminum, 58L SKU: 18101220 Price: $255.35 In Stock
Click Image For More Details Industrial Scientific 18101261 CAL KIT, 25% LEL PENTANE, 34 L, WITH REGULATOR SKU: 18101261 Price: $453.51 In Stock	Click Image For More Details Industrial Scientific 18101295 CAL KIT, 100 PPM CO, 18% O2, 25% LEL PENTANE, ZERO AIR, 34L, WITH REGULATOR SKU: 18101295 Price: $378.72 In Stock
Click Image For More Details Industrial Scientific 18101303 CAL KIT, 2.5% CH4, 34 L, WITH REGULATOR SKU: 18101303 Price: $422.64 In Stock	Click Image For More Details Industrial Scientific 18101352 Cylinder, Calibration Gas, 200 ppm Carbon Monoxide, Steel, 34L SKU: 18101352 Price: $72.42 In Stock
Click Image For More Details Industrial Scientific 18101378 Cylinder, Calibration Gas, 2.5% Methane (50% LEL), Steel, 103L SKU: 18101378 Price: $259.70 In Stock	Click Image For More Details Industrial Scientific 18101469 Calibration Gas Kit, 58L 25 ppm Nitrogen Dioxide (NO2) SKU: 18101469 Price: $777.02 In Stock