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304 Mix CO 100 PPM CH4 50% LEL in Air

GASCO 304 Mix, Carbon Monoxide 100 PPM, Methane 50% LEL, (2.5% by volume), Balance Air, (20.9% Air Balance Nitrogen) Certification: Ships with NIST COA certification, Made in the USA


Our Precision Calibration Gas also known as Cal Gas, is used for the Calibration and Maintenance of Gas Detectors and Sensors. All of our GASCO Calibration Gas Cylinders ship with a Certificate of Analysis (COA). GASCO Calibration Gas meets or exceeds the requirements of the Original Gas Detection Equipment Manufactures Specifications. GASCO Calibration Gas is National Institute of Standards and Technology (NIST) Traceable, GASCO Calibration Gas is Made in the USA, and produced using an ISO 9001:2008 certified process.

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