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 sample draw,CO 200 ppm,34L SKU: 81-F205RKS-DLV Price: $450.00 In Stock	Cal Kit,fixed, 50% LEL CH4/Air,103L,5 %LEL CH4/air 103L,dem flow reg SKU: 81-F048RKS Price: $635.00 In Stock
Cal Kit,fixed, No Gas for 58AL or 103L cylinder size SKU: 81-F001RK-NG Price: $270.00 In Stock	Cal Kit,fixed,10% LEL CH4in Air,103L, with humidifier SKU: 81-F055RK Price: $905.00 In Stock
Cal Kit,fixed,10% LEL IPA/air,34L, regulator SKU: 81-F044RK-LV Price: $435.00 In Stock	Cal Kit,fixed,1000 CH4,SD,34L,dem flow reg SKU: 81-F035RKS-DLV Price: $435.00 In Stock
Cal Kit,fixed,1000 PPM H2,103 ltr,dem flow reg SKU: 81-F007RKS Price: $915.00 In Stock	Cal Kit,fixed,1000 PPM H2,34L,no humidifier SKU: 81-F007RK-LVNH Price: $330.00 In Stock
Cal Kit,fixed,1000 ppm H2/air,34L,humidifier,1/2 NPT cal cup SKU: 81-F041RK-LV Price: $785.00 In Stock	Cal Kit,fixed,1000 propane in air,SD,34L,dem flow reg SKU: 81-F056RK-DLV Price: $865.00 In Stock
Cal Kit,fixed,2 ppm CL2,reg,34AL SKU: 81-F601RKS-LV Price: $535.00 In Stock	Cal Kit,fixed,2% H2 in Helium,103L SKU: 81-F012RKS Price: $820.00 In Stock
Cal Kit,fixed,2% H2 in Helium,6LPM reg,bag,103L SKU: 81-F010RKS Price: $835.00 In Stock	Cal Kit,fixed,50 ppm CO,34L SKU: 81-F201RK50-LV Price: $330.00 In Stock
Cal Kit,fixed,50 ppm isobutane,34L, humidfier tube SKU: 81-F057RKS-LV Price: $625.00 In Stock	Cal Kit,fixed,50% LEL IsoButane,103L,gas bag SKU: 81-F016RKS Price: $400.00 In Stock
Cal Kit,fixed,50% LEL Propane 103L, Zero Air 103L, reg, gas bag SKU: 81-F047RKS Price: $580.00 In Stock	Cal Kit,fixed,500 PPM Hex,34L,gas bag,reg SKU: 81-F007RKS-HLV Price: $740.00 In Stock
Cal kit,fixed,500 ppm hydrogen,34L,sample draw SKU: 81-F077RK-LV Price: $645.00 In Stock	Cal Kit,fixed,CH4 5000 ppm,34L SKU: 81-F070RK-LV Price: $350.00 In Stock
Cal Kit,fixed,CH4 vol,34L,H2S/N2, 34AL,sample bag, reg SKU: 81-F956RKS-LV Price: $603.00 In Stock	Cal Kit,fixed,CH4/CO/O2,103L, H2S/N2 34AL, reg, cal cup SKU: 81-F953RK-LV Price: $565.00 In Stock
Cal Kit,fixed,Cl2/N2 34AL,CO2/N2 103L,N2 103L, 2 cal cups SKU: 81-F949RK-LV Price: $1,085.00 In Stock	Cal Kit,fixed,CO,34L,w/o screwdriver SKU: 81-F201RK-LV-SW Price: $350.00 In Stock
Cal Kit,fixed,CO/NO,34L SKU: 81-F946RK-LV Price: $745.00 In Stock	Cal Kit,fixed,direct connect non xp,15% CO2,103L SKU: 81-F407RK05 Price: $600.00 In Stock
Cal Kit,fixed,direct connect non xp,15% CO2,34L SKU: 81-F407RK05-LV Price: $350.00 In Stock	Cal Kit,fixed,direct connect non xp,2.5% CO2,103L, 100% N2 103L SKU: 81-F407RK03 Price: $600.00 In Stock
Cal Kit,fixed,for 3/4" NPT detector,2.5% CO2,103L SKU: 81-F403RK Price: $560.00 In Stock	Cal Kit,fixed,GD-K7D2-HCL,34L SKU: 81-F807RKS-LV Price: $595.00 In Stock
Cal Kit,fixed,GD-K7D2,5 ppm NO2,34AL,gas bag,reg,case,tubing SKU: 81-F823RKS-LV Price: $575.00 In Stock	Cal Kit,fixed,H2 50 ppm,103L,H2 100 ppm 103L,humidifier,reg,case,tubing SKU: 81-F075RK Price: $1,015.00 In Stock
Cal Kit,fixed,H2 50 ppm,34L,H2 100 ppm 34L,humidifier,reg,case,tubing SKU: 81-F075RK-LV Price: $820.00 In Stock	Cal Kit,fixed,H2 50% LEL in Air,34L, CO 50 ppm in Air,34L,dem flow reg,case & tubing SKU: 81-F947RK-DLV Price: $504.00 In Stock
Cal Kit,fixed,H2 50%LEL/air 34L, CO 50 ppm/Air 34L,reg,case,tubing SKU: 81-F951RK-LV Price: $465.00 In Stock	Cal Kit,fixed,H2 50%LEL/air 34L,CO 50ppm/N2 34L,zero air 34L,reg,case,tubing SKU: 81-F975RK-LV Price: $465.00 In Stock
Cal Kit,fixed,H2,103L,gas bag SKU: 81-F004RKS Price: $405.00 In Stock	Cal Kit,fixed,H2,2000 ppm and 1000 ppm,34L,humidifier tube SKU: 81-F072RK-LV Price: $820.00 In Stock
Cal Kit,fixed,H2S,58AL SKU: 81-F101RK Price: $445.00 In Stock	Cal Kit,fixed,HCN,SD,34AL SKU: 81-F806RKS-LV Price: $595.00 In Stock