
Carbon Monoxide (CO) Calibration Gas
- NIST Traceable gravimetric blending
- Proprietary stability guarantee for reactive gas
- Custom PPM/PPB blends with fast lead times
NIST Traceable Gas Standards
SpecGas Inc. provides 50 PPM Carbon Monoxide Calibration Gas, a NIST-traceable precision mixture engineered for gas detector calibration, emissions monitoring, OSHA compliance testing, and industrial process applications. Produced using proprietary blending and cylinder treatment techniques, these standards deliver stable, accurate CO concentrations across disposable and refillable cylinder formats.


50 PPM CO calibration gas is used to calibrate and bump-test carbon monoxide detectors, CEMS analyzers, and multi-gas instruments. It is commonly specified for OSHA confined space monitoring, EPA Method 10 stack emissions testing, indoor air quality programs, combustion analyzer tuning, and calibration of portable detectors such as the MSA Altair, Dräger X-am, and Honeywell BW Clip series.
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Used for EPA Method 10 CEMS calibration at power plants, boilers, incinerators, and refineries monitoring CO output.

Calibrates portable CO detectors for OSHA-compliant confined space entry, parking garages, tunnels, and indoor forklift operations.

Supports gas chromatography calibration, university research, and analytical instrument verification in controlled lab environments.

Calibrates CO alarms and IAQ monitors in schools, hospitals, hotels, and commercial buildings per UL 2034 and UL 2075 standards.
Talk to our experts for custom solutions and tailored guidance.
Every 50 PPM CO mixture is gravimetrically blended in-house and traceable to NIST, ensuring verified accuracy for regulatory compliance and instrument calibration.
All calibration gas mixtures are blended in-house at our Bridgeport, PA facility, delivering faster turnaround than any competitor — with rush service available on request.
Proprietary internal cylinder treatment processes produce stable reactive CO gas mixtures with longer shelf life, backed by an immediate remake-and-reship quality guarantee.
Submit your cylinder and concentration requirements. Our team responds promptly with pricing and lead time details.
For immediate assistance, feel free to give us a direct call at (215) 443-2600. You can also send us a quick email at website-inquiries@specgasinc.com.
For immediate assistance, feel free to give us a direct call at (215) 443-2600. You can also send us a quick email at website-inquiries@specgasinc.com.