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

3G Electric
RFQ CartGet a QuoteSign inSign up
GASCO 221L-389S Disposable Calibration Gas - Calibration Gases for Portable Gas Detectors
GASCOCalibration Gases for Portable Gas Detectors

GASCO 221L-389S Disposable Calibration Gas

The GASCO Calibration Gas: Air (MPN 221L-389S) is a disposable calibration gas for portable gas detectors, featuring a carbon monoxide mixture of 5 ppm with +/-5% accuracy. It uses a CGA 165 fitting and air as the…

SKU 3G-OTH-551081

Also listed as: 221L389S · 221L 389S

Brand
GASCO
Item
221L-389S Disposable 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
221L-389S
Type
Disposable, +/-5% Accuracy, CO/CO2, Calibration Gas, Calibration Gas
CGA Number
CGA 165
Gas Mixture
Carbon Monoxide 5 ppm
Reusability
Disposable
For Use With
All OEM Gas Detectors
Background Gas
Air

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 (MPN 221L-389S) is a disposable calibration gas for portable gas detectors, featuring a carbon monoxide mixture of 5 ppm with +/-5% accuracy. It uses a CGA 165 fitting and air as the background gas, designed for use with all OEM gas detectors.

Frequently Asked Questions

What is GASCO Calibration Gas 221L-389S used for?

This disposable calibration gas is used to verify and adjust the accuracy of portable gas detectors. It contains a carbon monoxide mixture of 5 ppm with +/-5% accuracy, using air as the background gas, and is compatible with all OEM gas detectors.

What are the specifications of GASCO Calibration Gas 221L-389S?

The GASCO 221L-389S is a disposable calibration gas with a carbon monoxide mixture of 5 ppm and +/-5% accuracy. It uses a CGA 165 fitting, air as the background gas, and is designed for use with all OEM gas detectors.

Where to buy GASCO Calibration Gas 221L-389S worldwide?

3G Electric supplies the GASCO 221L-389S calibration gas to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct gas mixture for your portable gas detectors, regardless of your location.

How to use GASCO Calibration Gas 221L-389S for detector calibration?

Attach the GASCO 221L-389S cylinder to your gas detector using the CGA 165 fitting. Apply the gas at the recommended flow rate, typically 0.5 L/min, and allow the reading to stabilize. Follow your detector manufacturer's instructions for pass/fail criteria.

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 →
Disposable calibration gas cylinder containing Isobutylene 95 ppm in a background of air, with +/-5% accuracy. Equipped with a CGA 600 connection for use with portable gas detectors. Used to verify and adjust detector accuracy in industrial safety applications
GASCO
Disposable calibration gas cylinder containing Isobutylene 95 ppm in a background of air, with +/-5% accuracy. Equipped with a CGA 600 connection for use with portable gas detectors. Used to verify and adjust detector accuracy in industrial safety applications
Calibration gas mixture containing 50 ppm carbon monoxide in a nitrogen background, with +/-5% accuracy. Designed for use with portable gas detectors from all OEMs. Used to verify sensor response and ensure accurate readings in industrial safety applications
GASCO
Calibration gas mixture containing 50 ppm carbon monoxide in a nitrogen background, with +/-5% accuracy. Designed for use with portable gas detectors from all OEMs. Used to verify sensor response and ensure accurate readings in industrial safety applications
Calibration gas mixture containing 20 ppm carbon monoxide in nitrogen, with +/-5% accuracy. Supplied in a 105 L cylinder for use with portable gas detectors. Used to verify and adjust sensor response in gas detection equipment
GASCO
Calibration gas mixture containing 20 ppm carbon monoxide in nitrogen, with +/-5% accuracy. Supplied in a 105 L cylinder for use with portable gas detectors. Used to verify and adjust sensor response in gas detection equipment
Disposable calibration gas cylinder with +/-5% accuracy, containing Pentane (50% LEL) 0.7% in nitrogen background gas. Designed for use with all OEM portable gas detectors to verify and adjust sensor response in industrial safety applications
GASCO
Disposable calibration gas cylinder with +/-5% accuracy, containing Pentane (50% LEL) 0.7% in nitrogen background gas. Designed for use with all OEM portable gas detectors to verify and adjust sensor response in industrial safety applications
Disposable calibration gas mixture containing 5 ppm sulfur dioxide in nitrogen background gas, with ±5% accuracy. Designed for use with all OEM portable gas detectors to verify sensor response for SO2 detection in industrial safety applications
GASCO
Disposable calibration gas mixture containing 5 ppm sulfur dioxide in nitrogen background gas, with ±5% accuracy. Designed for use with all OEM portable gas detectors to verify sensor response for SO2 detection in industrial safety applications
Disposable calibration gas cylinder containing 5 ppm oxygen balanced with nitrogen. Designed for verifying and adjusting the accuracy of portable gas detectors used to monitor oxygen levels in confined spaces or low-oxygen environments. Provides +/-5% accuracy and is compatible with all OEM gas detectors
GASCO
Disposable calibration gas cylinder containing 5 ppm oxygen balanced with nitrogen. Designed for verifying and adjusting the accuracy of portable gas detectors used to monitor oxygen levels in confined spaces or low-oxygen environments. Provides +/-5% accuracy and is compatible with all OEM gas detectors
Calibration gas mixture containing 1,000 ppm carbon dioxide in air, supplied in a 116 L cylinder. Accuracy is +/-5%. Used for verifying and adjusting the response of portable gas detectors to carbon dioxide in industrial safety applications
GASCO
Calibration gas mixture containing 1,000 ppm carbon dioxide in air, supplied in a 116 L cylinder. Accuracy is +/-5%. Used for verifying and adjusting the response of portable gas detectors to carbon dioxide in industrial safety applications
Calibration gas cylinder containing 3000 ppm carbon monoxide in air background gas. Accuracy ±2%. 105 L capacity. For use with all OEM portable gas detectors to verify sensor response before field use
GASCO
Calibration gas cylinder containing 3000 ppm carbon monoxide in air background gas. Accuracy ±2%. 105 L capacity. For use with all OEM portable gas detectors to verify sensor response before field use