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Single Gas Mixtures
Buy your cal gas right here. We offer every common test gas in lightweight and disposable cylinders. Get started by
clicking
on your target gas in the list below, then make your selections of
a concentration, cylinder size and number of cylinders on the next page. That's all there is to it.
Most orders ship the same business day. If you don't see the mix you need, give us a call or an email. We can mix just about anything, and we
ship anywhere.
Regulators for 103L/58L cylinders
Regulators for 34L/17L cylinders
Buy a carrying case
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Kit 'Er Up
With a
Customized Cal Kit
Create your own PortaCal® Calibration Kit, a convenient way to keep all your cal gas supplies together. Build your kit by adding a regulator and a tough, canvas carrying case -- specially priced for a PortaCal Kit.
Start by selecting your gas. Single gases, with air or nitrogen balance, are listed in the table to the left; multi-mixes are in the table at right. You'll find all the parts and accessories you need for your PortaCal Calibration Kit when you select the gas concentration and cylinder size you need. And we'll toss in a free calibration log.
Specifications for gas cylinders

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Multi-Mixes for Confined
Space
and
Critical Applications
When you need a three or four gas mix for calibrating a confined space monitor or other critical application, we have the right
gas for instruments from every major manufacturer, including Industrial
Scientific, MSA and Tooke Rockies' mud-logging GCs. Just select the gas you need and
go right to checkout or take a look at our other three and four gas mixtures using the link below.
See all our
multi-mixes for
three & four gas monitors
Read more about about the difference between bump testing and full calibration from OSHA and the US Department of Labor.
Other Stuff You Should Know
Federal DOT regulations require us to add a shipping surcharge in addition to regular shipping. These fees are charged per box, not for each cylinder. (A box holds up to 12 cylinders of 58L or 103L gas, or up to 24 cylinders of 17L gas.)
| Fedex Ground |
Add $20.00 per box |
| Fedex Priority Overnight |
Add $30.00 per box |
This DOT surcharge will not be shown in your total at checkout. We will email you promptly with final pricing, including all shipping charges, as soon as your order has been processed, usually within one business day. |