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

3G Electric
RFQ CartGet a QuoteSign inSign up
GASCO Calibration Gas: Air, +/-2% Accuracy, C7H8/N2, Calibration Gas - Calibration Gases for Portable Gas Detectors
GASCOCalibration Gases for Portable Gas Detectors

GASCO Calibration Gas: Air, +/-2% Accuracy, C7H8/N2, Calibration Gas

The GASCO Calibration Gas: Air (SKU 408A70, MPN 105ES-70A-990) is a +/-2% accuracy calibration gas with a background gas of Air and a gas mixture of Refrigerant R-134A 990 ppm, supplied in a 105 L cylinder. Designed…

SKU 3G-OTH-551205

Brand
GASCO
Item
Calibration Gas: Air, +/-2% Accuracy, C7H8/N2, 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-70A-990
Type
+/-2% Accuracy, C7H8/N2, Calibration Gas
Gas Mixture
Refrigerant R-134A 990 ppm
For Use With
All OEM Gas Detectors
Background Gas
Air
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: Air (SKU 408A70, MPN 105ES-70A-990) is a +/-2% accuracy calibration gas with a background gas of Air and a gas mixture of Refrigerant R-134A 990 ppm, supplied in a 105 L cylinder. Designed for use with all OEM gas detectors, it provides a verified reference for sensor calibration across 14 industrial departments — and we supply far more than is listed. Our specialist depth in combustion, pumps and controls (as an authorised distributor for brands like FBR, Interpump, Riello, Beckett, Schneider, ABB, Siemens, SKF, Festo, and Fluke) ensures you get the right answer, not just a catalog.

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 industrial environments. It provides a known concentration of Refrigerant R-134A at 990 ppm in air, ensuring sensors respond correctly. 3G Electric supplies this gas for use with all OEM detectors in machining, HVAC, and other departments.

What are the specifications of GASCO 105ES-70A-990 calibration gas?

The GASCO 105ES-70A-990 calibration gas has +/-2% accuracy, a background gas of air, and a gas mixture of Refrigerant R-134A at 990 ppm. It is supplied in a 105 L cylinder and is designed for use with all OEM gas detectors. The manufacturer part number is 105ES-70A-990.

Where to buy GASCO calibration gas worldwide?

3G Electric supplies GASCO calibration gas worldwide, handling full logistics and customs clearance for delivery to any global location. As a sourcing specialist across 14 industrial departments, we provide the correct gas mixture and cylinder size for your detectors. Contact us to order the 105ES-70A-990 or other calibration gases.

How to use GASCO calibration gas for detector calibration?

To calibrate a gas detector with GASCO calibration gas, attach the regulator to the 105 L cylinder, connect it to the detector's inlet, and release the gas at the recommended flow rate. Allow the sensor to stabilize before adjusting the reading to match the certified concentration of 990 ppm R-134A. Always follow the detector manufacturer's instructions.

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.