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: Methane, +/-2% Accuracy, N2/O2, Calibration Gas - Calibration Gases for Portable Gas Detectors
GASCOCalibration Gases for Portable Gas Detectors

GASCO Calibration Gas: Methane, +/-2% Accuracy, N2/O2, Calibration Gas

The GASCO Calibration Gas: Methane (MPN 105ES-399-1M) is a +/-2% accuracy calibration gas for portable gas detectors, compatible with all OEM gas detectors. It contains a 105 L cylinder with a gas mixture of Carbon…

SKU 3G-OTH-550795

Brand
GASCO
Item
Calibration Gas: Methane, +/-2% Accuracy, N2/O2, Calibration Gas
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
105ES-399-1M
Type
+/-2% Accuracy, N2/O2, Calibration Gas
Gas Mixture
Carbon Dioxide 1%
For Use With
All OEM Gas Detectors
Background Gas
Methane
Cylinder Capacity
105 L
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: Methane (MPN 105ES-399-1M) is a +/-2% accuracy calibration gas for portable gas detectors, compatible with all OEM gas detectors. It contains a 105 L cylinder with a gas mixture of Carbon Dioxide 1% and a Methane background gas.

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. It ensures instruments correctly detect methane and carbon dioxide in industrial environments such as refineries, chemical plants, and utilities.

What are the specifications of GASCO 105ES-399-1M?

The GASCO 105ES-399-1M calibration gas has +/-2% accuracy, a 105 L cylinder capacity, and a gas mixture of Carbon Dioxide 1% with Methane background gas. It is compatible with all OEM gas detectors and uses N2/O2 balance.

Where to buy GASCO calibration gas in worldwide?

3G Electric supplies GASCO calibration gas worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine calibration gases to facilities anywhere, ensuring compliance with local regulations.

How to use GASCO calibration gas for gas detector maintenance?

Attach the GASCO cylinder to the detector's calibration adapter, open the valve, and allow gas to flow at the recommended rate. Follow the detector manufacturer's calibration procedure. Always store cylinders upright in a ventilated area away from heat sources.

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, +/-5% Accuracy, C4H8, Calibration Gas, 105 L Cylinder Capacity, Cylinder (MPN 105ES-248-105). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Air; Brand: GASCO; Gas Mixture: Isobutylene 105 ppm.
GASCO
GASCO Calibration Gas: Air, +/-5% Accuracy, C4H8, Calibration Gas, 105 L Cylinder Capacity, Cylinder (MPN 105ES-248-105). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Air; Brand: GASCO; Gas Mixture: Isobutylene 105 ppm.
GASCO Calibration Gas: Air, +/-2% Accuracy, CH4/CO, Calibration Gas, 105 L Cylinder Capacity (MPN 105ES-359). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Air; Brand: GASCO; Gas Mixture: Methane (50% LEL) 2.5%.
GASCO
GASCO Calibration Gas: Air, +/-2% Accuracy, CH4/CO, Calibration Gas, 105 L Cylinder Capacity (MPN 105ES-359). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Air; Brand: GASCO; Gas Mixture: Methane (50% LEL) 2.5%.
GASCO Calibration Gas: Air, Disposable, +/-5% Accuracy, NH3, Calibration Gas, 58 L Cylinder Capacity (MPN X02AI99CP5800E4). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Air; Brand: GASCO; Gas Mixture: Ammonia 5 ppm; Reusability: Disposable.
GASCO
GASCO Calibration Gas: Air, Disposable, +/-5% Accuracy, NH3, Calibration Gas, 58 L Cylinder Capacity (MPN X02AI99CP5800E4). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Air; Brand: GASCO; Gas Mixture: Ammonia 5 ppm; Reusability: Disposable.
GASCO Calibration Gas: Air, Disposable, +/-5% Accuracy, C4H10, Calibration Gas, Calibration Gas (MPN 34LS-17A-0.414). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Air; Brand: GASCO; CGA Number: CGA 600; Gas Mixture: Butane (22% LEL) 0.414%; Reusability: Disposable.
GASCO
GASCO Calibration Gas: Air, Disposable, +/-5% Accuracy, C4H10, Calibration Gas, Calibration Gas (MPN 34LS-17A-0.414). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Air; Brand: GASCO; CGA Number: CGA 600; Gas Mixture: Butane (22% LEL) 0.414%; Reusability: Disposable.
GASCO Calibration Gas: Air, +/-5% Accuracy, CO/CO2/O2, Calibration Gas, 116 L Cylinder Capacity (MPN X03AI99CA160002). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Air; Brand: GASCO; Gas Mixture: Carbon Monoxide 35 ppm.
GASCO
GASCO Calibration Gas: Air, +/-5% Accuracy, CO/CO2/O2, Calibration Gas, 116 L Cylinder Capacity (MPN X03AI99CA160002). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Air; Brand: GASCO; Gas Mixture: Carbon Monoxide 35 ppm.
GASCO Calibration Gas: Nitrogen, +/-5% Accuracy, H2S, Calibration Gas, 105 L Cylinder Capacity (MPN 105ES-331B). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Nitrogen; Brand: GASCO; Gas Mixture: Carbon Monoxide 50 ppm.
GASCO
GASCO Calibration Gas: Nitrogen, +/-5% Accuracy, H2S, Calibration Gas, 105 L Cylinder Capacity (MPN 105ES-331B). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Nitrogen; Brand: GASCO; Gas Mixture: Carbon Monoxide 50 ppm.
GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, H2, Calibration Gas, Calibration Gas (MPN X02NI99CP107641). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Nitrogen; Brand: GASCO; Gas Mixture: Hydrogen 0.5%; Reusability: Disposable.
GASCO
GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, H2, Calibration Gas, Calibration Gas (MPN X02NI99CP107641). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Nitrogen; Brand: GASCO; Gas Mixture: Hydrogen 0.5%; Reusability: Disposable.
GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, CH4/CO/H2S/O2, Calibration Gas (MPN 34L-429). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Nitrogen; Brand: GASCO; Gas Mixture: Carbon Monoxide 100 ppm; Reusability: Disposable.
GASCO
GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, CH4/CO/H2S/O2, Calibration Gas (MPN 34L-429). Key specifications — For Use With: All OEM Gas Detectors; Background Gas: Nitrogen; Brand: GASCO; Gas Mixture: Carbon Monoxide 100 ppm; Reusability: Disposable.