Biosystems 54-9031 Calibration Gas: 50% LEL Methane, 18% Oxygen, Balance Nitrogen

By Biosystems Equivalent


Size: 103L


50% LEL Methane / 18% Oxygen / Balance Nitrogen

  • Biosystems equivalent multi-mixture calibration gas used to calibrate Biosystems gas detection equipment.
  • Fully compatible with Biosystems gas detectors requiring specified cal gas mixture.
  • Precision blended and inspected to industry standards - National Institute of Standards and Technology (NIST) traceable and certified.
  • Made in the USA by GASCO, ISO 9001:2008 Certified.

Contact us for custom dual, triple and quad span gas mixtures.

Subject to hazardous materials shipping requirements.

Technical Specs

Gas Mixture: 50% LEL Methane, 18% Oxygen, Balance Nitrogen
Gas Type: Non-Reactive Multi-Mixture
Cylinder Size: 103L
Part Numbers:
Biosystems Part Number: 54-9031
GASCO Part Number: 103L-393
Manufactured by: Gasco Affiliates, LLC
Shelf Life: 48 Months
Regulator Compatibility: C-10 valve inlet.

Fixed Flow (70 Series)
Demand Flow (75-DFR)
Dial-a-Flow (74-DAF)
Fixed Flow Push Button (73-PBR)
Trigger Control Fixed Flow (70-Trigger)
Flow Matching Valve (72-MFV)

Tubing Compatibility: Tygon® Tubing

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