Accurate. Compliant. Reliable.

Metro Welding Supply provides ISO 17025 certified calibration gases to ensure precision, compliance, and reliability for laboratories, medical facilities, and industrial applications.


  • High-Purity Calibration Gases
  • Local & Reliable Gas Supply
  • Regulatory Compliance for EPA, OSHA, and FDA
  • Custom Gas Mixtures Available

What is ISO 17025? Why Does It Matter?


ISO 17025 is the global standard for laboratory testing and calibration accuracy. Businesses that require calibration gases must meet strict quality control regulations to ensure precise gas analyzer readings, environmental monitoring, and industrial testing.


  • Ensures gas purity & accuracy
  • Meets EPA, OSHA, and FDA standards
  • Improves workplace safety & compliance





Industries That Rely on ISO 17025 Certified Gases


Our certified calibration gases are essential for:


  • Medical & Healthcare Facilities – Ensuring oxygen and nitrous oxide calibration for hospitals and clinics.
  • Environmental Testing Labs – Providing accurate CO2 and nitrogen blends for air quality monitoring.
  • Food & Beverage Industry – Maintaining carbonation control and modified atmosphere packaging.
  • Manufacturing & Automotive – Ensuring gas detector accuracy and emissions testing.
  • University Research & Industrial Labs – Supporting scientific gas analysis and precision experiments.



Our ISO 17025 Compliant Gas Solutions


  • Calibration Gas Mixtures – CO2, O2, N2, H2, and custom blends
  • High-Purity Specialty Gases – Scientific-grade gases for precision applications
  • Microbulk & Bulk Gas Solutions – Continuous supply for high-usage facilities


Need a Custom Gas Blend? Request a quote by clicking on the blue button below!

A man is standing next to a red iso sign.

Why Choose Metro Welding Supply?

ISO 17025 Certified Gases

Fully compliant with global calibration standards

Local, Fast, and Reliable Supply

Serving Southeast Michigan & Northern Ohio

On-Demand & Scheduled Delivery

Microbulk and bulk gas solutions available

Emergency Supply Available

Ensuring you never run out of critical calibration gases

Order ISO 17025 Certified Calibration Gases Today

Ensure regulatory compliance and accuracy with Metro Welding Supply’s high-quality calibration gases.


📍 Serving Southeast Michigan & Northern Ohio

Request a Compliance Certificate