GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, H2S, Calibration Gas
The GASCO Calibration Gas: Nitrogen (MPN 74L-98-35) is a disposable calibration gas for portable gas detectors, featuring a Hydrogen Sulfide mixture of 35 ppm with +/-5% accuracy. Designed for use with all OEM gas…
SKU 3G-OTH-549593
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Product Description
The GASCO Calibration Gas: Nitrogen (MPN 74L-98-35) is a disposable calibration gas for portable gas detectors, featuring a Hydrogen Sulfide mixture of 35 ppm with +/-5% accuracy. Designed for use with all OEM gas detectors, this nitrogen-background gas ensures reliable sensor calibration across industrial safety applications.
Frequently Asked Questions
What is GASCO Calibration Gas 74L-98-35 used for?
GASCO Calibration Gas 74L-98-35 is used to calibrate portable gas detectors that sense hydrogen sulfide. The 35 ppm H2S mixture in nitrogen verifies sensor accuracy and response, ensuring reliable readings in industrial safety applications such as oil and gas, wastewater treatment, and confined space entry.
What are the specifications of GASCO Calibration Gas 74L-98-35?
This disposable calibration gas contains 35 ppm hydrogen sulfide in a nitrogen background, with ±5% accuracy. It is designed for use with all OEM gas detectors. The manufacturer part number is 74L-98-35, and the gas is non-refillable, intended for single-use calibration routines.
Where to buy GASCO Calibration Gas 74L-98-35 worldwide?
3G Electric supplies GASCO Calibration Gas 74L-98-35 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact our team for a quote and lead time; we source genuine GASCO calibration gases for industrial safety applications globally.
How to use GASCO Calibration Gas 74L-98-35 for detector calibration?
Attach the regulator to the disposable cylinder, connect to the gas detector's calibration port, and flow the 35 ppm H2S mixture at the manufacturer-recommended rate. Allow the sensor to stabilize, then adjust the detector reading to match the gas 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.









