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Quick Intro
At WSM Calibration Gases, Certified calibration gas mixtures, high-purity gases, and traceable reference standards engineered for analytical, safety, and industrial applications. From single component to multi-component blends, every cylinder is produced under ISO 17025 standards and our EPA Protocol Vendor ID Y12025 for full traceability and compliance.
Trusted by industries across environmental monitoring, petrochemical, analytical, and safety sectors.
Our Products
Our Calibration Gas Portfolio
Explore our catalog of certified calibration gases, high-purity gases, and accessories.
Prepared in specially treated cylinders to ensure stability and accuracy. Available in % or ppm concentrations.
- Hydrogen Sulfide (H₂S)
- Sulfur Dioxide (SO₂)
- Part #: 76-Q70 / 76-Q71
- Valve Inlet: C-10 / CGA-600
- Outlet: 3/16” Barb
- Flow Rate: 0.2 – 6.0 LPM
Gas Types: Non-Reactive
Contents: 103 Liters
Volume: 3.6 ft³
Pressure: 1,050 PSIG
Material: Steel
Valve: C-10
Dimensions: 3 1/4″ × 13 27/32″
Certifications: DOT-39 NRC / TC-39M NRC
- Part #: 73-TPBR
- Valve Inlet: C-10
- Outlet: 3/16” Barb
- Flow Rate: 0.2 – 6.0 LPM
- Gauge: 1200 psi
Gas Types: Non-Reactive
Contents: 34 Liters
Volume: 1.2 ft³
Pressure: 500 PSIG
Material: Steel
Valve: CGA-600
Dimensions: 3″ × 10 3/4″
Certifications: DOT-39 NRC / TC-39M NRC
Stable, long shelf-life gases suitable for steel or aluminum cylinders. Available in % or ppm concentrations.
- Carbon Dioxide (CO₂)
- Carbon Monoxide (CO)
- Nitrogen (N₂)
- Oxygen (O₂)
- Argon (Ar)
- Helium (He)
- Methane (CH₄)
- Propane (C₃H₈)
- Isobutane (i-C₄H₁₀)
- n-Butane (C₄H₁₀)
- Ethane (C₂H₆)
- Hydrogen (H₂)
Gas Types: Reactive & Non-Reactive
Contents: 108 Liters
Volume: 3.8 ft³
Pressure: 1,000 PSIG
Material: Aluminum
Valve: C-10
Dimensions: 3 1/2″ × 13 7/8″
Certifications: ISO 7866 / TC-1266
- Part #: DFR
- Valve Inlet: C-10
- Outlet: 3/16” Barb
- Flow Rate: 0 – 3.0 LPM @ 3” WC
- Gauge: 1200 psi
- Materials: Stainless Steel / Brass
Gases
Highly Reactive mixtures
Highly Reactive mixtures
- Ethylene Oxide (C₂H₄O)
- Hydrogen Chloride (HCl)
- Hydrogen Cyanide (HCN)
- Phosphine (PH₃)
- Ammonia (NH₃)
- Chlorine (Cl₂)
- Nitric Oxide (NO)
- Nitrogen Dioxide (NO₂)
- Silane (SiH₄)
Applications:
Non-Reactive Mixtures
Non-Reactive Mixtures
- Carbon Dioxide (CO₂)
- Carbon Monoxide (CO)
- Nitrogen (N₂)
- Oxygen (O₂)
- Argon (Ar)
- Helium (He)
- Methane (CH₄)
- Propane (C₃H₈)
- Isobutane (i-C₄H₁₀)
- n-Butane (C₄H₁₀)
- Ethane (C₂H₆)
- Hydrogen (H₂)
Applications:
Pure Gases
Pure Gases
- Nitrogen (N₂) – Industrial / UHP / Research
- Oxygen (O₂) – Industrial / UHP
- Argon (Ar) – Industrial / UHP
- Helium (He) – Industrial / UHP
- Hydrogen (H₂) – Industrial / UHP
- Carbon Dioxide (CO₂) – Industrial / Instrument
- Methane (CH₄)
Applications:
Reactive Mixtures
Reactive Mixtures
- Hydrogen Sulfide (H₂S)
- Sulfur Dioxide (SO₂)
Applications: