MSA Calibration Gas: Nitrogen, +/-5% Accuracy, CH4/CO/O2, Calibration Gas
The MSA Calibration Gas: Nitrogen (SKU 4LP25, MPN 478191) is a +/-5% accuracy calibration gas for MSA gas detectors, supplied in a 100 L cylinder with a background gas of nitrogen and a gas mixture of carbon monoxide…
SKU 3G-OTH-549140
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Product Description
The MSA Calibration Gas: Nitrogen (SKU 4LP25, MPN 478191) is a +/-5% accuracy calibration gas for MSA gas detectors, supplied in a 100 L cylinder with a background gas of nitrogen and a gas mixture of carbon monoxide at 60 ppm. 3G Electric interprets this demand and delivers the exact MSA-specified calibration gas, backed by our specialist expertise in combustion, pumps, and controls across 14 industrial departments.
Frequently Asked Questions
What is MSA calibration gas 478191 used for?
This MSA calibration gas (MPN 478191) is used to calibrate MSA gas detectors, ensuring accurate readings for carbon monoxide at 60 ppm. It is essential for safety compliance in industrial environments such as refineries, chemical plants, and confined-space operations where reliable gas detection is critical.
What are the specifications of MSA calibration gas 478191?
The MSA calibration gas (MPN 478191) has +/-5% accuracy, a 100 L cylinder capacity, background gas of nitrogen, and a gas mixture of carbon monoxide at 60 ppm. It is designed for use with MSA gas detectors and is supplied by 3G Electric as an exact MSA-specified product.
Where to buy MSA calibration gas 478191 worldwide?
3G Electric supplies the MSA calibration gas (MPN 478191) worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver this exact calibration gas to your facility, ensuring you receive the correct MSA-specified product for your gas detectors.
How to use MSA calibration gas 478191 for detector calibration?
To calibrate an MSA gas detector with this calibration gas (MPN 478191), attach the regulator to the 100 L cylinder, connect to the detector’s calibration port, and follow the manufacturer’s procedure. Ensure the gas mixture (carbon monoxide 60 ppm in nitrogen) matches the detector’s sensor range for accurate adjustment.
Used in
Common applications for MSAMSA Products
3G Electric supplies MSA calibration gases for portable gas detectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









