GASCO Calibration Gas: Air, +/-2% Accuracy, CH4, Calibration Gas, 105 L Cylinder Capacity
The GASCO Calibration Gas: Air is a methane calibration gas cylinder (990 ppm CH4, +/-2% accuracy, 105 L capacity) designed for use with all OEM gas detectors. It provides a verified background gas of air to support…
SKU 3G-OTH-550112
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Product Description
The GASCO Calibration Gas: Air is a methane calibration gas cylinder (990 ppm CH4, +/-2% accuracy, 105 L capacity) designed for use with all OEM gas detectors. It provides a verified background gas of air to support routine sensor bump testing and calibration across industrial safety programs.
Frequently Asked Questions
What is GASCO calibration gas used for?
GASCO calibration gas is used to verify and calibrate portable gas detectors across industrial safety programs. This methane mixture (990 ppm CH4, +/-2% accuracy) in a 105 L cylinder with air background ensures sensor accuracy for confined-space entry, leak detection, and compliance audits.
What are the specifications of GASCO 105ES-150A-990?
The GASCO 105ES-150A-990 is a methane calibration gas cylinder with 990 ppm CH4, +/-2% accuracy, and 105 L capacity. Background gas is air. It is designed for use with all OEM gas detectors. The cylinder is supplied by GASCO, a trusted brand in industrial safety.
Where to buy GASCO calibration gas worldwide?
3G Electric supplies GASCO calibration gas worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order the 105ES-150A-990 or any calibration gas for your gas detector fleet.
How to use GASCO calibration gas for bump testing?
Attach the GASCO cylinder regulator to the 105 L cylinder, then apply the gas mixture to the detector’s sensor port per the manufacturer’s instructions. Allow the reading to stabilise, then compare to the certified 990 ppm methane value. Replace the cylinder when empty.
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.









