GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, CH4/CO, Calibration Gas
The GASCO Calibration Gas: Nitrogen (MPN 221L-310BS) is a disposable calibration gas for all OEM gas detectors, featuring a methane 2.5% mixture in a nitrogen background with +/-5% accuracy and a CGA 165 fitting. 3G…
SKU 3G-OTH-550524
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Product Description
The GASCO Calibration Gas: Nitrogen (MPN 221L-310BS) is a disposable calibration gas for all OEM gas detectors, featuring a methane 2.5% mixture in a nitrogen background with +/-5% accuracy and a CGA 165 fitting. 3G Electric interprets this demand and delivers it across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.
Frequently Asked Questions
What is GASCO calibration gas used for?
GASCO calibration gas is used to verify and calibrate portable gas detectors across all OEM brands. The methane 2.5% mixture in a nitrogen background ensures accurate sensor response for combustible gas detection in industrial safety applications.
What are the specifications of GASCO 221L-310BS calibration gas?
This disposable calibration gas has a methane 2.5% mixture in a nitrogen background, +/-5% accuracy, and a CGA 165 fitting. It is designed for use with all OEM gas detectors and is non-refillable.
Where to buy GASCO calibration gas in worldwide?
3G Electric supplies and delivers GASCO calibration gas worldwide. We handle full logistics and customs clearance, ensuring you receive the correct gas mixture and fitting for your detectors. Contact us for availability and lead time.
How to use GASCO disposable calibration gas?
Attach the CGA 165 fitting to your gas detector's calibration port, open the valve slowly, and allow the methane/nitrogen mixture to flow at the manufacturer-recommended rate. After calibration, close the valve and dispose of the cylinder per local regulations.
GASCO Products
3G Electric supplies GASCO 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.









