Buy Calibration Gas Online — Direct, Certified, Shipped Fast
Buying calibration gas direct cuts out reseller markups, shortens lead times, and gives you certified documentation with every cylinder. Trigas USA ships calibration gas nationwide across the continental United States, with same-day dispatch on orders placed before 2:00 PM EST.
Every cylinder ships with a NIST-traceable Certificate of Analysis and SDS. The gas we supply is produced by laboratories accredited to ISO/IEC 17025:2017 and ISO 17034:2016, and by manufacturers certified under the EPA Protocol Gas Verification Program.
Why buy direct?
| Through a reseller | Direct from Trigas USA |
|---|---|
| Markup adds 15–25% to cost | No reseller markup — direct pricing |
| Inventory depends on reseller stock | Sourced to order — broad availability |
| CoA passed through a middleman | CoA from the accredited producing laboratory |
| Lead time includes reseller processing | Same-day dispatch before 2 PM EST |
| Managed by a sales rep | Order online 24/7 |
4-Gas mixtures — most popular
| Part # | Mixture | Cylinder |
|---|---|---|
| 17L-380 | 25ppm H₂S / 100ppm CO / 50%LEL / 18%O₂ | 17 L |
| 34L-380 | 25ppm H₂S / 100ppm CO / 50%LEL / 18%O₂ | 34 L |
| 58L-380 | 25ppm H₂S / 100ppm CO / 50%LEL / 18%O₂ | 58 L |
| 103L-380 | 25ppm H₂S / 100ppm CO / 50%LEL / 18%O₂ | 103 L |
| 34L-421 | 25ppm H₂S / 100ppm CO / 1.45%CH₄ / 15%O₂ | 34 L |
| 58L-421 | 25ppm H₂S / 100ppm CO / 1.45%CH₄ / 15%O₂ | 58 L |
Single-gas mixtures
| Part # | Gas | Concentration |
|---|---|---|
| 34L-CO-100 | Carbon Monoxide / N₂ | 100 ppm |
| 34L-H2S-25 | Hydrogen Sulfide / N₂ | 25 ppm |
| 34L-O2-18 | Oxygen / N₂ | 18% |
| 34L-NO2-400 | Nitrogen Dioxide / N₂ | 400 ppm |
| 34L-SO2-20 | Sulfur Dioxide / N₂ | 20 ppm |
| 34L-NH3-25 | Ammonia / Air | 25 ppm |
| 34L-CL2-10 | Chlorine / N₂ | 10 ppm |
| 34L-HCN-10 | Hydrogen Cyanide / N₂ | 10 ppm |
How to order
- Online: trigas-usa.com — select your mixture and cylinder size, add to cart, and check out.
- Email: sales@trigas-usa.com — send part numbers and quantities; confirmation within 2 business hours. Purchase orders accepted for Net-30 B2B accounts.
- Auto-Replenish: set up recurring delivery for 8% off plus free shipping.
Shipping — fast and HazMat certified
All cylinders ship via UPS Ground with DOT-compliant HazMat packaging. SDS, CoA, and shipping manifest are included with every order. Same-day dispatch on orders before 2:00 PM EST; most of the continental US receives orders in 1–4 business days. Air shipping is not available for pressurized cylinders.
FAQ
Minimum order? None — order a single cylinder. Volume pricing on 10 or more cylinders; email sales@trigas-usa.com.
Corporate accounts? Yes — Net-30 terms, purchase orders, and volume pricing available.
Ready to order? Visit trigas-usa.com or call (786) 609-3221.