GASCO Calibration Gas: Air, Disposable, +/-5% Accuracy, CO/CO2, Calibration Gas
The GASCO Calibration Gas: Air (MPN 221L-389S) is a disposable calibration gas for portable gas detectors, featuring a carbon monoxide mixture of 5 ppm with +/-5% accuracy. It uses a CGA 165 fitting and air as the…
SKU 3G-OTH-551081
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Product Description
The GASCO Calibration Gas: Air (MPN 221L-389S) is a disposable calibration gas for portable gas detectors, featuring a carbon monoxide mixture of 5 ppm with +/-5% accuracy. It uses a CGA 165 fitting and air as the background gas, designed for use with all OEM gas detectors.
Frequently Asked Questions
What is GASCO Calibration Gas 221L-389S used for?
This disposable calibration gas is used to verify and adjust the accuracy of portable gas detectors. It contains a carbon monoxide mixture of 5 ppm with +/-5% accuracy, using air as the background gas, and is compatible with all OEM gas detectors.
What are the specifications of GASCO Calibration Gas 221L-389S?
The GASCO 221L-389S is a disposable calibration gas with a carbon monoxide mixture of 5 ppm and +/-5% accuracy. It uses a CGA 165 fitting, air as the background gas, and is designed for use with all OEM gas detectors.
Where to buy GASCO Calibration Gas 221L-389S worldwide?
3G Electric supplies the GASCO 221L-389S calibration gas to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct gas mixture for your portable gas detectors, regardless of your location.
How to use GASCO Calibration Gas 221L-389S for detector calibration?
Attach the GASCO 221L-389S cylinder to your gas detector using the CGA 165 fitting. Apply the gas at the recommended flow rate, typically 0.5 L/min, and allow the reading to stabilize. Follow your detector manufacturer's instructions for pass/fail criteria.
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.









