Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 200 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 44L

High CO 4 Gas Calibration Gas – 44L Cylinder This four-gas calibration mixture is designed to validate elevated carbon monoxide alarm thresholds while confirming hydrogen sulfide and combustible sensor response under normal atmospheric oxygen...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 200 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 34L

High CO 4 Gas Calibration Gas – 34L Cylinder This four-gas calibration mixture verifies detector response at elevated carbon monoxide alarm thresholds while confirming hydrogen sulfide and combustible channels under normal atmospheric oxygen...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 200 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 120L

High CO 4 Gas Calibration Gas – 120L Cylinder This large-volume four-gas calibration mixture supports ongoing detector maintenance where elevated carbon monoxide alarm setpoints must be validated alongside hydrogen sulfide and combustible channels...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 200 PPM / Methane (CH₄) 2.5% (50% LEL)/ Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 116L

High CO Four Gas Calibration Gas – 116L Cylinder This multi-gas calibration cylinder verifies detector performance where elevated carbon monoxide thresholds must be confirmed along with hydrogen sulfide, combustible gas, and oxygen channels in...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 50% LEL / Oxygen (O₂) 19.0% / Nitrogen BAL Calibration Gas – 66L

Low Oxygen Four Gas Calibration Gas – 66L Cylinder This calibration mixture is engineered for environments where oxygen deficiency detection must be verified alongside toxic and combustible hazards. The reduced 19.0% oxygen level allows...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 19.0% / Nitrogen BAL Calibration Gas – 44L

Portable Confined Space Calibration Gas – 44L Cylinder This reduced-oxygen calibration mixture verifies detector readiness where atmospheric safety cannot be assumed. The 19.0% oxygen concentration confirms deficiency alarm performance while toxic...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 19.0% / Nitrogen BAL Calibration Gas – 34L

Compact Confined Space Calibration Gas – 34L Cylinder This reduced-oxygen calibration mixture is used when technicians need to confirm monitor readiness immediately before entry into potentially hazardous environments. The 19.0% oxygen level...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 19.0% / Nitrogen BAL Calibration Gas – 120L

High Capacity Confined Space Calibration Gas – 120L Cylinder This reduced-oxygen calibration mixture is used by facilities that perform frequent monitor verification and need extended service intervals between cylinder replacement. The 19.0%...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% ( 50% LEL) / Oxygen (O₂) 19.0% / Nitrogen BAL Calibration Gas – 116L

Extended-Use Confined Space Calibration Gas – 116L Cylinder This reduced-oxygen calibration mixture is used to confirm detector readiness prior to entry into ventilation-limited environments. The 19.0% oxygen concentration triggers deficiency...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 15.0% / Nitrogen BAL Calibration Gas – 66L

Deficiency Alarm Simulation Calibration Gas – 66L Cylinder This calibration mixture is designed to confirm detector performance in environments where oxygen levels may fall below safe breathing thresholds. The 15.0% oxygen concentration triggers...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 15.0% / Nitrogen BAL Calibration Gas – 60L

Portable Deficiency Alarm Calibration Gas – 60L Cylinder This calibration mixture verifies detector performance in atmospheres that fall below safe breathing levels. The 15.0% oxygen concentration activates deficiency alarms while hydrogen...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 15.0% / Nitrogen BAL Calibration Gas – 44L

Portable Alarm-Level Calibration Gas – 44L Cylinder This calibration mixture verifies monitor performance in atmospheres where oxygen levels fall into unsafe ranges. The 15.0% oxygen concentration activates deficiency alarms while hydrogen...