GASCO Calibration Gas: Air, Disposable, +/-5% Accuracy, H2S, Calibration Gas
The GASCO Calibration Gas: Air is a disposable calibration gas for portable gas detectors, containing a Hydrogen Sulfide mixture of 2.5 ppm with +/-5% accuracy. Supplied in a 74 L cylinder with air as the background…
SKU 3G-OTH-549588
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Product Description
The GASCO Calibration Gas: Air is a disposable calibration gas for portable gas detectors, containing a Hydrogen Sulfide mixture of 2.5 ppm with +/-5% accuracy. Supplied in a 74 L cylinder with air as the background gas, it is designed for use with all OEM gas detectors (MPN 74L-99-2.5).
Frequently Asked Questions
What is GASCO calibration gas used for?
GASCO calibration gas is used to verify and adjust the accuracy of portable gas detectors across all OEM brands. The 74 L disposable cylinder contains a certified Hydrogen Sulfide mixture of 2.5 ppm with +/-5% accuracy, ensuring reliable sensor response in industrial safety applications.
What are the specifications of GASCO 74L-99-2.5 calibration gas?
The GASCO 74L-99-2.5 calibration gas is a disposable cylinder with 74 L capacity, containing Hydrogen Sulfide at 2.5 ppm in air background gas. Accuracy is +/-5%. It is designed for use with all OEM gas detectors and carries the manufacturer part number 74L-99-2.5.
Where to buy GASCO calibration gas worldwide?
3G Electric supplies GASCO calibration gas worldwide, handling full logistics and customs clearance for international delivery. As a global industrial solutions provider, we source genuine calibration gases like the 74L-99-2.5 and deliver them to your facility, regardless of location.
How to use GASCO disposable calibration gas for gas detectors?
Attach the GASCO 74L-99-2.5 cylinder to your gas detector's calibration adapter using the regulator. Open the valve and allow the 2.5 ppm Hydrogen Sulfide mixture to flow at the detector's specified rate. Follow the detector manufacturer's calibration procedure for accurate sensor adjustment.
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.









