MSA 801050 Zero Air Calibration Gas - 20.9% vol. (O2)

MSA 801050 Zero Air Calibration Gas - 20.9% vol. (O2)

By MSA Equivalent


Balance Gas: Nitrogen

Size: 103L


  • MSA equivalent 20.9% (O2) Zero Air zero calibration gas cylinder used to calibrate MSA gas detection equipment.
  • Fully compatible with MSA gas detectors requiring zero air to zero sensors for calibration.
  • 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 calibration gas mixtures.

Subject to hazardous materials shipping requirements.

Technical Specs

Target Gas: Zero Air
Concentration: 20.9% (O2)
Balance Gas: Nitrogen
Gas Type: Non-Reactive
Cylinder Size: 103L
Part Numbers:
MSA Part Number: 801050
GASCO Part Number: 103L-1
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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