BioSystems Calibration Gas Cross-Reference — Trigas USA Equivalents

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

38 BioSystems part numbers mapped · 24 available to order online. Don’t see your part? Send us the part number — our lab adds new mappings within one business day.

BioSystems → Trigas USA cross-reference table

BioSystems Part # Gas / Mixture Trigas USA Equivalent
54-9041 50% LEL methane, 50 ppm carbon monoxide, 18% oxygen / nitrogen 103L-301A Request →
54-9043 50% LEL methane, 50 ppm carbon monoxide,25 ppm hydrogen sufide, 18% oxygen / nitrogen 58L-406 View product →
54-9042E 50% propane equivalent, 50 ppm carbon monoxide, 18% oxygen / nitrogen 103L-303E View product →
54-9045E 50% propane equivalent, 50 ppm carbon monoxide, 18% oxygen / nitrogen 34LS-303E View product →
54-9070E 50% propane equivalent, 50 ppm carbon monoxide, 18% oxygen / nitrogen 103L-323E Request →
54-9044E 50% propane simulant, 50 ppm carbon monoxide, 25 ppm hydrogen sulfide,18% oxygen / nitrogen 58L-403E View product →
54-9049E 50% propane equivalent, 50 ppm carbon monoxide, 25 ppm hydrogen sulfide,18% oxygen / nitrogen 34L-403E View product →
54-9048E 50% propane equivalent, 25 ppm hydrogen sulfide,18% oxygen / nitrogen 58L-437X Request →
54-9047E 50% propane equivalent, 25 ppm hydrogen sulfide,18% oxygen / nitrogen 34L-437X Request →
54-9046E 50% pentane equivalent, 50 ppm carbon monoxide, 25 ppm hydrogen sulfide,18% oxygen / nitrogen 58L-402E Request →
54-9071E 50% LEL pentane equivalent, 50 ppm carbon monoxide, 18% oxygen / air 34LS-322 Request →
54-9031 50% LEL methane, 18% oxygen / nitrogen 103L-393 Request →
54-9032E 50% propane equivalent, 18% oxygen / nitrogen 103L-303EX Request →
54-9068E 50% pentane equivalent, 18% oxygen / nitrogen call for p/n Request →
54-9066 50% LEL (2.0% vol.) hydrogen / air 103L-85-2 View product →
54-9033 50 ppm carbon monoxide / air 103L-50-50 View product →
54-9036 50 ppm carbon monoxide / air 34LS-50-50 View product →
54-9067 125 ppm carbon monoxide / air 103L-50-125 Request →
54-9034 25 ppm hydrogen sulfide / nitrogen 58L-98-25 View product →
54-9057 25 ppm hydrogen sulfide / nitrogen 34L-98-25 View product →
54-9037 10 ppm sulfur dioxide / nitrogen 58L-175-10 View product →
54-9058 10 ppm sulfur dioxide / nitrogen 34L-175-10 View product →
54-9051 50 ppm ammonia / nitrogen 58L-13-50 View product →
54-9061 50 ppm ammonia / nitrogen 34L-13-50 View product →
54-9052 5 ppm chlorine / nitrogen 58L-252-5 View product →
65-9062 5 ppm chlorine / nitrogen 34L-252-5 View product →
54-9055 30 ppm nitric oxide / nitrogen 58L-125-30 Request →
54-9063 30 ppm nitric oxide / nitrogen 34L-125-30 Request →
54-9056 5 ppm nitrogen dioxide / air 58L-112-5 View product →
54-9059 5 ppm nitrogen dioxide / nitrogen 34L-111-5 View product →
54-9054 10 ppm hydrogen cyanide / nitrogen 58L-HCN-10 View product →
54-9053 10 ppm hydrogen chloride / nitrogen 58L-HCL-10 View product →
54-9065 5 ppm phosphine / nitrogen 58L-PH3-5 View product →
54-9073 5 ppm phosphine / nitrogen 34L-PH3-5 View product →
54-9064 100 ppm hydrogen, 18% oxygen / air call for p/n Request →
54-9035 99.9% nitrogen 103L-114 View product →
54-9039 20.9% Oxygen (Zero Air) / nitrogen 103L-1 View product →

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 BioSystems. Mappings verified against current OEM datasheets and re-checked quarterly.