GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, CH4/CO/H2S/O2
The GASCO Calibration Gas: Nitrogen (MPN 74L-425S) is a disposable calibration gas for portable gas detectors, featuring a gas mixture of Oxygen 18% with +/-5% accuracy. Designed for use with all OEM gas detectors…
SKU 3G-OTH-548951
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Product Description
The GASCO Calibration Gas: Nitrogen (MPN 74L-425S) is a disposable calibration gas for portable gas detectors, featuring a gas mixture of Oxygen 18% with +/-5% accuracy. Designed for use with all OEM gas detectors, it uses a nitrogen background gas to verify sensor response across CH4, CO, H2S, and O2 channels.
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 74L-425S used for?
The GASCO 74L-425S calibration gas is used to verify sensor response on portable gas detectors. It checks accuracy across methane (CH4), carbon monoxide (CO), hydrogen sulfide (H2S), and oxygen (O2) channels, using a nitrogen background gas with 18% oxygen mixture.
What are the specifications of GASCO 74L-425S calibration gas?
The GASCO 74L-425S is a disposable calibration gas with +/-5% accuracy. It contains a gas mixture of 18% oxygen in a nitrogen background, designed for use with all OEM gas detectors. The manufacturer part number is 74L-425S.
Where to buy GASCO calibration gas 74L-425S worldwide?
3G Electric supplies the GASCO 74L-425S calibration gas worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this disposable calibration gas to your facility, ensuring compliance with local regulations.
How to use GASCO 74L-425S calibration gas for gas detector calibration?
Attach the GASCO 74L-425S disposable cylinder to your gas detector's calibration adapter. Apply the gas at the recommended flow rate, typically 0.5 L/min, and allow the sensor to stabilize. Follow the detector manufacturer's calibration procedure to adjust readings for CH4, CO, H2S, and O2 channels.
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.









