GASCO Calibration Gas: Air, +/-5% Accuracy, CH4, Calibration Gas, 105 L Cylinder Capacity
The GASCO Calibration Gas: Air is a methane calibration gas cylinder (20 ppm CH4, ±5% accuracy, 105 L capacity) designed for use with all OEM gas detectors. It uses air as the background gas and is supplied as a…
SKU 3G-OTH-549769
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Product Description
The GASCO Calibration Gas: Air is a methane calibration gas cylinder (20 ppm CH4, ±5% accuracy, 105 L capacity) designed for use with all OEM gas detectors. It uses air as the background gas and is supplied as a complete cylinder (MPN X02AI99CR1500A9).
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is GASCO calibration gas used for?
GASCO calibration gas is used to verify and adjust the accuracy of portable and fixed gas detectors across industrial safety applications. This methane mixture (20 ppm CH4 in air) ensures detectors respond correctly to combustible gas hazards in refineries, chemical plants, and confined-space entry.
What are the specifications of GASCO calibration gas 20 ppm methane?
This GASCO cylinder contains 20 ppm methane in air background gas, with ±5% accuracy and 105 L capacity. It is designed for use with all OEM gas detectors and carries MPN X02AI99CR1500A9. The air background makes it suitable for general-purpose calibration without interfering gases.
Where to buy GASCO calibration gas in worldwide?
3G Electric supplies GASCO calibration gas worldwide, handling full logistics, customs clearance, and delivery to your facility. As a global industrial sourcing partner, we provide this methane calibration cylinder (20 ppm, 105 L) for safety compliance. Contact us for lead time and pricing to your region.
How to use GASCO calibration gas for detector calibration?
Attach the GASCO cylinder regulator to the cylinder valve, connect to the detector’s calibration port, and flow gas at the manufacturer-recommended rate. Allow the reading to stabilise, then adjust the detector to match the certified 20 ppm methane concentration. Always follow the detector OEM’s calibration procedure.
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.









