PORTACAL® Calibration Gas - Calibration Gas Mixtures, Calibration Gas Cylinders

Instrument Depot is the leading distributor of precision calibration gas mixtures.

All calibration gases are traceable to NIST standards and certified to ISO 9001:2008 requirements

Use the search tool below to find equivalent manufacturer calibration gas mixes.

PORTACAL® will price match.


Learn about the Gasco Ecosmart Refillable Cylinder Program

Free and easy way to return empty calibration gas cylinders (17 and 34 liter steel cylinders not included)
Click here for shipping label




Step 1 - Gas MixturesStep 2 - RegulatorsStep 3 - Carrying Case and Accessories
Current Build-A-Kit Discounts Your Kit
Save $50  When You Purchase:
3 Calibration Gas cylinders (Any size, excluding bump test)
1 Regulator
1 Carrying Case
Save $35  When You Purchase:
2 Calibration Gas cylinders (Any size, excluding bump test)
1 Regulator
1 Carrying Case
Save $20  When You Purchase:
1 Calibration Gas cylinders (Any size, excluding bump test)
1 Regulator
1 Carrying Case
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Add items to cart to see discount.  No Build-A-Kit Discount. 
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