GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, CH4/CO/H2S/O2
The GASCO Calibration Gas: Nitrogen (MPN 58L-409BS) is a disposable calibration gas for portable gas detectors, featuring a Hydrogen Sulfide 25 ppm mixture with +/-5% accuracy. Designed for use with all OEM gas…
SKU 3G-OTH-548993
Need installation or engineering help?
Ask a question
Product Description
The GASCO Calibration Gas: Nitrogen (MPN 58L-409BS) is a disposable calibration gas for portable gas detectors, featuring a Hydrogen Sulfide 25 ppm mixture 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.
Frequently Asked Questions
What is GASCO calibration gas 58L-409BS used for?
GASCO 58L-409BS is a disposable calibration gas used to verify sensor response on portable gas detectors. It contains 25 ppm hydrogen sulfide in a nitrogen background, with ±5% accuracy, and works with all OEM gas detectors to check CH4, CO, H2S, and O2 channels.
What are the specifications of GASCO 58L-409BS calibration gas?
GASCO 58L-409BS is a disposable calibration gas with ±5% accuracy. It contains 25 ppm hydrogen sulfide in a nitrogen background gas. It is designed for use with all OEM gas detectors and verifies sensor response across CH4, CO, H2S, and O2 channels.
Where to buy GASCO calibration gas 58L-409BS worldwide?
3G Electric supplies GASCO 58L-409BS 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. Contact us for availability and lead time.
How to use GASCO 58L-409BS calibration gas for gas detector calibration?
Attach the GASCO 58L-409BS cylinder to your gas detector's calibration adapter. Apply the gas mixture at the recommended flow rate, typically 0.5 L/min. Allow the sensor to stabilize, then adjust the detector reading to match the 25 ppm hydrogen sulfide concentration. Dispose of the cylinder after single use.
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.









