Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, CH4/CO/H2S/O2 - Calibration Gases for Portable Gas Detectors
GASCOCalibration Gases for Portable Gas Detectors

GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, CH4/CO/H2S/O2

The GASCO Calibration Gas: Nitrogen is a disposable calibration gas for portable gas detectors, featuring a mixture of Hydrogen Sulfide 25 ppm with +/-5% accuracy. Designed for use with all OEM gas detectors, this…

SKU 3G-OTH-549016

Brand
GASCO
Item
Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, CH4/CO/H2S/O2
Category
Calibration Gases for Portable Gas Detectors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

GASCO
Manufacturer Part Number
74L-463-19.5
Type
Disposable, +/-5% Accuracy, CH4/CO/H2S/O2, Calibration Gas
Gas Mixture
Hydrogen Sulfide 25 ppm
Reusability
Disposable
For Use With
All OEM Gas Detectors
Background Gas
Nitrogen
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

GASCO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GASCO Calibration Gas: Nitrogen is a disposable calibration gas for portable gas detectors, featuring a mixture of Hydrogen Sulfide 25 ppm with +/-5% accuracy. Designed for use with all OEM gas detectors, this product uses a nitrogen background gas and is identified by manufacturer part number 74L-463-19.5.

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 industries like oil & gas, chemical processing, and wastewater treatment. This disposable nitrogen-based mixture with 25 ppm hydrogen sulfide ensures reliable sensor performance for safety compliance.

What are the specifications of GASCO 74L-463-19.5 calibration gas?

The GASCO 74L-463-19.5 is a disposable calibration gas with +/-5% accuracy, containing 25 ppm hydrogen sulfide in a nitrogen background. It is designed for use with all OEM gas detectors and is identified by manufacturer part number 74L-463-19.5.

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 and deliver this disposable nitrogen-based calibration gas to support safety equipment maintenance anywhere.

How to use GASCO disposable calibration gas for gas detectors?

Attach the GASCO disposable cylinder to the regulator and flow adapter of your gas detector. Apply the gas at the recommended flow rate, typically 0.5 L/min, and allow the sensor to stabilize before comparing readings. Always follow the detector manufacturer's calibration procedure for best results.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from GASCO

View all GASCO parts →
GASCO Calibration Gas: Air, +/-2% Accuracy, H2, Calibration Gas, 105 L Cylinder Capacity, Cylinder (MPN 105ES-92-2500). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Air; Brand: GASCO; Gas Mixture: Hydrogen 2,500 ppm.
GASCO
GASCO Calibration Gas: Air, +/-2% Accuracy, H2, Calibration Gas, 105 L Cylinder Capacity, Cylinder (MPN 105ES-92-2500). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Air; Brand: GASCO; Gas Mixture: Hydrogen 2,500 ppm.
GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, CH4/CO/O2, Calibration Gas, CGA 600 (MPN 17L-301-60). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Nitrogen; Brand: GASCO; CGA Number: CGA 600; Gas Mixture: Oxygen 20%; Reusability: Disposable.
GASCO
GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, CH4/CO/O2, Calibration Gas, CGA 600 (MPN 17L-301-60). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Nitrogen; Brand: GASCO; CGA Number: CGA 600; Gas Mixture: Oxygen 20%; Reusability: Disposable.
GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, CO/O2, Calibration Gas, Calibration Gas (MPN 103L-378). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Nitrogen; Brand: GASCO; Gas Mixture: Carbon Monoxide 200 ppm; Reusability: Disposable.
GASCO
GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, CO/O2, Calibration Gas, Calibration Gas (MPN 103L-378). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Nitrogen; Brand: GASCO; Gas Mixture: Carbon Monoxide 200 ppm; Reusability: Disposable.
GASCO Calibration Gas: Air, Disposable, +/-5% Accuracy, CO2, Calibration Gas, Calibration Gas (MPN X02AI99CP1051D9). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Air; Brand: GASCO; Gas Mixture: Carbon Dioxide 800 ppm; Reusability: Disposable.
GASCO
GASCO Calibration Gas: Air, Disposable, +/-5% Accuracy, CO2, Calibration Gas, Calibration Gas (MPN X02AI99CP1051D9). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Air; Brand: GASCO; Gas Mixture: Carbon Dioxide 800 ppm; Reusability: Disposable.
GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, C2H6O, Calibration Gas, Calibration Gas (MPN X02NI99CP1000P2). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Nitrogen; Brand: GASCO; Gas Mixture: BAC 0.04%; Reusability: Disposable.
GASCO
GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, C2H6O, Calibration Gas, Calibration Gas (MPN X02NI99CP1000P2). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Nitrogen; Brand: GASCO; Gas Mixture: BAC 0.04%; Reusability: Disposable.
GASCO Calibration Gas: Nitrogen, +/-2% Accuracy, CO2, Calibration Gas, 105 L Cylinder Capacity (MPN 105ES-35-3M). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Nitrogen; Brand: GASCO; Gas Mixture: Carbon Dioxide 3%.
GASCO
GASCO Calibration Gas: Nitrogen, +/-2% Accuracy, CO2, Calibration Gas, 105 L Cylinder Capacity (MPN 105ES-35-3M). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Nitrogen; Brand: GASCO; Gas Mixture: Carbon Dioxide 3%.
GASCO Calibration Gas: Air, +/-5% Accuracy, C4H8/CO/CO2, Calibration Gas, 105 L Cylinder Capacity (MPN 105ES-358). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Air; Brand: GASCO; Gas Mixture: Carbon Monoxide 20 ppm.
GASCO
GASCO Calibration Gas: Air, +/-5% Accuracy, C4H8/CO/CO2, Calibration Gas, 105 L Cylinder Capacity (MPN 105ES-358). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Air; Brand: GASCO; Gas Mixture: Carbon Monoxide 20 ppm.
GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, CO/O2, Calibration Gas, Calibration Gas (MPN 103L-378S). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Nitrogen; Brand: GASCO; Gas Mixture: Carbon Monoxide 300 ppm; Reusability: Disposable.
GASCO
GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, CO/O2, Calibration Gas, Calibration Gas (MPN 103L-378S). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Nitrogen; Brand: GASCO; Gas Mixture: Carbon Monoxide 300 ppm; Reusability: Disposable.