IST-AIM Calibration Gas Cross-Reference — Trigas USA Equivalents

Find the Trigas USA equivalent for any IST-AIM calibration gas part number. Every cross-reference below is verified by our ISO 17025-accredited lab against the IST-AIM datasheet — same gas, same concentration, same cylinder and fitting — typically 15–30% below IST-AIM pricing. Every cylinder ships with a NIST-traceable Certificate of Analysis, in 48 hours from our Florida facility.

74 IST-AIM part numbers mapped · 27 available to order online. Don’t see your part? Send us the part number — our lab adds new mappings within one business day.

IST-AIM → Trigas USA cross-reference table

IST-AIM Part # Gas / Mixture Trigas USA Equivalent
585-000-001 25 ppm ammonia / air 58L-14-25 View product →
585-000-002 25 ppm ammonia / nitrogen 58L-13-25 View product →
585-000-003 50 ppm ammonia / nitrogen 58L-13-50 View product →
585-000-004 5 ppm chlorine / nitrogen 58L-252-5 View product →
585-000-005 10 ppm hydrogen sulfide / nitrogen 58L-98-10 View product →
585-000-006 125 PPM H2S / ntrogen 58L-98-125 Request →
585-000-007 50 PPM NH3 / air 58L-14-50 View product →
585-000-008 25 PPM H2S / air 58L-99-25 View product →
585-000-012 5 PPM NO2 / air 58L-112-5 View product →
585-000-013 5 PPM SO2 / nitrogen 58L-175-5 View product →
585-000-014 10 PPM SO2 / nitrogen 58L-175-10 View product →
585-000-015 10 PPM SO2 / air 58L-174-10 View product →
585-000-016 25 PPM NO / nitrogen 58L-125-25 View product →
585-000-017 15 PPM HCL / nitrogen 58L-HCL-15 Request →
585-000-018 10 PPM HCL / nitrogen 58L-HCL-10 View product →
585-000-019 0.5% CO / nitrogen 103L-49-5000 Request →
585-000-020 10 PPM HCN / nitrogen 58L-HCN-10 View product →
585-000-024 100 PPM H2 / air 103L-92-100 Request →
585-000-025 4000 H2 / air 103L-85-0.4 Request →
585-000-026 10,000 PPM H2 (25% LEL) / air 103L-85-1 Request →
585-000-040 35 PPM CO, 10 PPM H2S, 10% LEL Pentane, 18% O2 / nitrogen 58L-425 Request →
585-000-041 35 PPM CO, 10 PPM H2S, 10% LEL Methane, 18% O2 / nitrogen 58L-490 Request →
585-000-043 50 PPM CO, 25 PPM H2S, 50% LEL Methane, 18% O2 / nitrogen 58L-406 View product →
585-000-044 100 PPM CO, 25 PPM H2S, 50 % LEL Methane, 20.9% / nitrogen 58L-404 View product →
585-010-000 100% N2 103L-114 View product →
585-110-000 19% O2 / nitrogen 103L-161-19 Request →
585-110-007 1% CH4 / air 103L-135A-1 View product →
585-110-009 10% LEL CH4 / air 103L-135A-0.5 Request →
585-110-010 25% LEL CH4 / air 103L-135A-1.25 Request →
585-110-011 50% LEL CH4 / air 103L-135A-2.5 View product →
585-110-018 35 PPM CO / nitrogen 103L-49-35 Request →
585-110-019 5000 PPM CO2 / air 103L-37-5000 Request →
585-110-020 10% LEL (0.4% vol.) H2 / air 103L-85-0.4 Request →
585-110-023 100 PPM Isobutylene, balance Air / air 103L-248-100 View product →
585-110-024 200 PPM Isobutylene, balance Air / air 103L-248-200 Request →
585-110-034 10 PPM H2S, 10% LEL Pentane, 18% O2, balance N2 / nitrogen 58L-425X Request →
585-110-036 35 PPM CO, 10% LEL Pentane, 18% O2, balance N2 / nitrogen 103L-325 Request →
585-110-037 35 PPM CO, 10% LEL Methane, 18% O2, balance N2 / nitrogen 103L-386 Request →
585-110-039 50 PPM CO, 10% LEL Pentane, 18% O2, balance N2 / nitrogen 103L-329 Request →
585-110-040 250 PPM CO, 25% LEL Methane, 18% O2, balance N2 / nitrogen 103L-392 Request →
585-110-041 100 PPM CO, balance N2 / nitrogen 103L-42-1000 Request →
585-120-100 800 PPM Freon 134A, balance Air / air 17L-134A-800 Request →
585-220-004 Zero Air 17L-1 View product →
585-220-012 10% LEL CH4, balance Air / air 17L-135A-0.5 Request →
585-220-018 35 PPM CO, balance Air / air 17L-50-35 Request →
585-220-019 35 PPM CO, balance N2 / nitrogen 17L-49-35 Request →
585-220-020 55 PPM CO, balance Air / air 17L-50-55 Request →
585-220-021 25% LEL CH4, balance Air / air 17L-135A-1.25 Request →
585-220-035 35 PPM CO, 10% LEL Pentane, 18% O2, balance N2 / nitrogen 17L-325 Request →
585-220-036 50 PPM CO, 10% LEL Pentane, 18% O2, balance N2 / nitrogen 17L-329 Request →
585-790-000 10 PPM H2S, balance N2 / nitrogen 34L-98-10 View product →
585-790-004 10% LEL CH4, balance Air / air 34LS-135A-0.5 Request →
585-790-005 25 PPM NH3, balance Air / air 34L-14-25 View product →
585-790-006 35 PPM CO, balance N2 / nitrogen 34LS-49-35 Request →
585-790-008 10% LEL (0.4% vol.) H2, balance Air / air 34LS-85-0.4 Request →
585-790-009 5 PPM CL2, balance N2 / nitrogen 34L-252-5 View product →
585-790-010 5 PPM SO2, balance N2 / nitrogen 34L-175-5 View product →
585-790-011 5 PPM NO2, balance Air / air 34L-112-5 View product →
585-790-012 100 PPM H2, balance Air / air 34LS-92-100 Request →
585-790-013 25 PPM Nitric Oxide, balance N2 / nitrogen 34L-125-25 View product →
585-790-030 10 PPM H2S, 10% LEL Pentane, 18% O2, balance N2 (34L) / nitrogen 34L-425X Request →
585-790-040 35 PPM CO, 10 PPM H2S, 10% LEL Pentane, 18% O2, balance N2 / nitrogen 34L-425 Request →
585-790-041 35 PPM CO, 10 PPM H2S, 10% LEL Methane, 18% O2, balance N2 / nitrogen 34L-490 Request →
585-890-001 700 PPM CO, balance N2 / nitrogen 10L-49-700 Request →
585-890-002 250 PPM CO, balance N2 / nitrogen 10L-49-250 Request →
585-890-003 35 PPM CO, balance N2 / nitrogen 10L-49-35 Request →
585-890-004 10 PPM H2S, balance N2 / nitrogen 10L-98-10 Request →
585-890-005 35 PPM CO, balance Air / air 10L-50-35 Request →
585-890-006 50 PPM H2S, balance N2 / nitrogen 10L-98-50 Request →
585-890-007 2000 PPM CO2, balance Air / air 10L-37-2000 Request →
585-890-008 18% O2, balance N2 / nitrogen 10L-161-18 Request →
585-890-030 35 PPM CO, 10% LEL Pentane, 18% O2, balance N2 / nitrogen 10L-425 Request →
585-890-032 50 PPM H2S, 10% LEL Pentane, 18% O2, balance N2 / nitrogen 10L-329 Request →
585-790-035 35 PPM CO, 10% LEL Methane, 18% O2, balance N2 (Aluminum Cylinder!) / nitrogen 34L-325 Request →

Cross-references are provided for compatibility identification only. All trademarks and OEM part numbers are the property of their respective owners. Trigas USA is not affiliated with IST-AIM. Mappings verified against current OEM datasheets and re-checked quarterly.