We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

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-399-35) is a +/-2% accuracy calibration gas for portable gas detectors, compatible with all OEM gas detectors. It features a 105 L cylinder capacity with a background gas…

SKU 3G-OTH-551083

Also listed as: 105ES39935 · 105ES 399 35

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 engineerMessage via Telegram
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

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

GASCO
Manufacturer Part Number
105ES-399-35
Type
+/-2% Accuracy, N2/O2, Calibration Gas
Gas Mixture
Carbon Dioxide 35%
For Use With
All OEM Gas Detectors
Background Gas
Methane
Cylinder Capacity
105 L

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-399-35) is a +/-2% accuracy calibration gas for portable gas detectors, compatible with all OEM gas detectors. It features a 105 L cylinder capacity with a background gas of methane and a gas mixture of Carbon Dioxide 35%.

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 reliable readings for methane detection in industrial safety applications, including oil and gas, chemical plants, and confined space entry.

What are the specifications of GASCO 105ES-399-35 calibration gas?

The GASCO 105ES-399-35 calibration gas has +/-2% accuracy, a 105 L cylinder capacity, background gas of methane, and a gas mixture of Carbon Dioxide 35%. It is compatible with all OEM gas detectors and uses N2/O2 as the balance gas.

Where to buy GASCO calibration gas in worldwide?

3G Electric supplies GASCO calibration gas worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source and deliver genuine calibration gases to support safety compliance across all regions.

How to use GASCO calibration gas for gas detector calibration?

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. After use, close the valve and store the cylinder in a cool, dry 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, +/-2% Accuracy, C2H4, Calibration Gas, 105 L Cylinder Capacity, Cylinder (MPN X02AI98CR150013)
GASCO
GASCO Calibration Gas: Air, +/-2% Accuracy, C2H4, Calibration Gas, 105 L Cylinder Capacity, Cylinder (MPN X02AI98CR150013)
GASCO Calibration Gas: Air, +/-2% Accuracy, C3H8, Calibration Gas, 105 L Cylinder Capacity, Cylinder (MPN X02AI98CR150006)
GASCO
GASCO Calibration Gas: Air, +/-2% Accuracy, C3H8, Calibration Gas, 105 L Cylinder Capacity, Cylinder (MPN X02AI98CR150006)
GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, SiH4, Calibration Gas, Calibration Gas (MPN X02NI99CA340029)
GASCO
GASCO Calibration Gas: Nitrogen, Disposable, +/-5% Accuracy, SiH4, Calibration Gas, Calibration Gas (MPN X02NI99CA340029)
GASCO Calibration Gas: Nitrogen, +/-5% Accuracy, C5H12/CO, Calibration Gas, 105 L Cylinder Capacity (MPN 105ES-349S)
GASCO
GASCO Calibration Gas: Nitrogen, +/-5% Accuracy, C5H12/CO, Calibration Gas, 105 L Cylinder Capacity (MPN 105ES-349S)
GASCO Calibration Gas: Air, +/-5% Accuracy, C6H6, Calibration Gas, 105 L Cylinder Capacity, Cylinder (MPN X02AI99CR1500E3)
GASCO
GASCO Calibration Gas: Air, +/-5% Accuracy, C6H6, Calibration Gas, 105 L Cylinder Capacity, Cylinder (MPN X02AI99CR1500E3)
GASCO Calibration Gas: Air, +/-5% Accuracy, C2H4, Calibration Gas, 105 L Cylinder Capacity, Cylinder (MPN 105ES-62A-1)
GASCO
GASCO Calibration Gas: Air, +/-5% Accuracy, C2H4, Calibration Gas, 105 L Cylinder Capacity, Cylinder (MPN 105ES-62A-1)
GASCO Calibration Gas: Air, +/-5% Accuracy, C4H10, Calibration Gas, 105 L Cylinder Capacity (MPN 105ES-248-175)
GASCO
GASCO Calibration Gas: Air, +/-5% Accuracy, C4H10, Calibration Gas, 105 L Cylinder Capacity (MPN 105ES-248-175)
GASCO Calibration Gas: Air, +/-2% Accuracy, C2H4, Calibration Gas, 105 L Cylinder Capacity, Cylinder (MPN 105ES-62A-1.15%)
GASCO
GASCO Calibration Gas: Air, +/-2% Accuracy, C2H4, Calibration Gas, 105 L Cylinder Capacity, Cylinder (MPN 105ES-62A-1.15%)