Buy Calibration Gas Online — Direct from an ISO 17025 Accredited Laboratory
Buying calibration gas directly from the manufacturer eliminates distributor markups, reduces lead times, and gives you direct access to ISO 17025:2017 accredited documentation for every cylinder you purchase. Trigas USA ships calibration gas directly from our specialty gas laboratory in Miami, FL to customers across the United States.
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Trigas USA is an ISO 17025:2017 and ISO 17034:2016 accredited specialty gas laboratory with EPA PGVP #29 certification. Every cylinder ships with a NIST-traceable Certificate of Analysis. Same-day shipping on orders placed before 2:00 PM EST. |
Why Buy Calibration Gas Direct?
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Buying Through a Distributor |
Buying Direct from Trigas USA |
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Distributor markup adds 15-25% to cost |
No markup — direct laboratory price |
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Inventory depends on distributor stock |
Manufactured to order — always available |
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CoA comes from distributor, not lab |
CoA direct from ISO 17025 accredited lab |
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Lead time includes distributor processing |
Same-day shipping if ordered before 2 PM EST |
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Account managed by sales rep |
Direct account — order online 24/7 |
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Subscription programs not available |
Auto-Replenish with 8% discount |
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Single supplier chain (Air Liquide/Linde) |
Independent manufacturer — supply chain diversity |
What Calibration Gas Is Available?
4-Gas Mixtures — Most Popular
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Part Number |
Mixture |
Cylinder Size |
Common Use |
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17L-380 |
25ppm H₂S / 100ppm CO / 50%LEL / 18%O₂ |
17 Liter |
1-2 detectors |
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34L-380 |
25ppm H₂S / 100ppm CO / 50%LEL / 18%O₂ |
34 Liter |
Standard — most common |
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58L-380 |
25ppm H₂S / 100ppm CO / 50%LEL / 18%O₂ |
58 Liter |
Multiple detectors |
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103L-380 |
25ppm H₂S / 100ppm CO / 50%LEL / 18%O₂ |
103 Liter |
Safety teams |
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34L-421 |
25ppm H₂S / 100ppm CO / 1.45%CH₄ / 15%O₂ |
34 Liter |
MSA Altair 4X |
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58L-421 |
25ppm H₂S / 100ppm CO / 1.45%CH₄ / 15%O₂ |
58 Liter |
MSA Altair 4X fleet |
Single Gas Mixtures
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Part Number |
Gas |
Concentration |
Application |
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34L-CO-100 |
Carbon Monoxide / N₂ |
100 ppm CO |
CO sensor calibration |
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34L-H2S-25 |
Hydrogen Sulfide / N₂ |
25 ppm H₂S |
H₂S sensor calibration |
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34L-O2-18 |
Oxygen / N₂ |
18% O₂ |
O₂ deficiency calibration |
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34L-NO2-400 |
Nitrogen Dioxide / N₂ |
400 ppm NO₂ |
NO₂ monitoring |
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34L-SO2-20 |
Sulfur Dioxide / N₂ |
20 ppm SO₂ |
SO₂ monitoring |
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34L-NH3-25 |
Ammonia / Air |
25 ppm NH₃ |
NH₃ monitoring |
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34L-CL2-10 |
Chlorine / N₂ |
10 ppm Cl₂ |
Cl₂ monitoring |
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34L-HCN-10 |
Hydrogen Cyanide / N₂ |
10 ppm HCN |
HCN monitoring |
How to Order — Three Options
Option 1 — Online Store
Visit trigas-usa.com/shop, select your mixture and cylinder size, add to cart, and checkout. All major credit cards accepted. Order confirmation and tracking number sent immediately. Same-day shipping on orders before 2:00 PM EST.
Option 2 — Email Order
Send your part numbers and quantities to orders@trigasusa.com. We confirm availability and pricing within 2 business hours. Purchase orders accepted for Net-30 B2B accounts.
Option 3 — Auto-Replenish Subscription
Set up automatic delivery at trigas-usa.com/subscribe. Choose your mixture, cylinder size, and delivery frequency. Receive 8% discount on every order plus free shipping. Never run out of calibration gas again.
Shipping — Fast and HazMat Certified
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Region |
Transit Time |
States |
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Southeast USA |
1-2 business days |
FL, GA, SC, NC, VA, AL, TN, MS |
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Mid-Atlantic / Northeast |
2-3 business days |
NY, NJ, PA, MD, CT, MA, DC |
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Midwest |
3-4 business days |
OH, IN, IL, MI, WI, MN, MO |
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South Central |
2-3 business days |
TX, LA, AR, OK |
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Mountain / West |
4-5 business days |
CO, AZ, NV, UT, WA, OR, CA |
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All calibration gas cylinders are shipped via UPS Ground with DOT-compliant HazMat packaging. SDS, CoA, and shipping manifest included with every order. Cannot ship to P.O. boxes. Air shipping not available for pressurized cylinders. |
Frequently Asked Questions
Is calibration gas available for next-day delivery?
Trigas USA offers same-day shipping on orders placed before 2:00 PM EST Monday through Friday. Transit time to Southeast USA is typically 1-2 business days. Next-day air delivery is not available for pressurized gas cylinders under DOT regulations.
Do you have a minimum order quantity?
No minimum order. You can order a single cylinder. Volume discounts apply for orders of 10 or more cylinders — contact orders@trigasusa.com for volume pricing.
Can I set up a corporate account?
Yes. Apply for a Trigas USA B2B account at trigas-usa.com/b2b. Approval within 1 business day. Net-30 payment terms, purchase order support, dedicated account manager, and volume pricing available.
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Ready to order? Visit trigas-usa.com/shop or call (305) 455-1222. ISO 17025 certified calibration gas, same-day shipping from Miami, FL. Equivalent to Gasco, Calgaz, and Portagas — at direct laboratory prices. |
Trigas USA · orders@trigasusa.com · trigas-usa.com
ISO/IEC 17025:2017 (L25-1002) · ISO 17034:2016 (L25-1003) · EPA PGVP #29 · PJLA #125017