Ensure accurate and reliable calibration of your gas detection equipment with our Zero Air Calibration Gas Cylinder. Also known as zero gas or calibration air, this certified gas mixture contains 20.9% oxygen in a nitrogen balance and is used to set a clean air reference for a wide range of gas detectors and sensors.

Zero Air is commonly used to zero out sensors during calibration and maintenance procedures, helping ensure dependable readings and consistent detector performance. It is suitable for use with many leading gas detection brands and is widely used in industrial safety programmes, environmental monitoring, and confined space applications.

At Q Instrument Services, we supply premium-quality Zero Air calibration gas cylinders with certificate of analysis and fast delivery throughout Ireland. Whether you need a single cylinder or a regular supply for ongoing maintenance, our team can provide expert guidance and reliable support.

Key Features

• 20.9% oxygen in nitrogen balance.

• Certified calibration gas with certificate of analysis.

• Ideal for zeroing gas detectors and sensors.

• Suitable for a wide range of gas detection equipment.

• High stability for reliable calibration results.

• Available for fast delivery across Ireland.

• Technical support from Ireland’s gas detection specialists.

Typical Applications

• Gas detector zeroing.

• Calibration and bump testing.

• Confined space entry.

• Environmental monitoring.

• Industrial safety programmes.

• Pharmaceutical facilities.

• Chemical manufacturing.

• Oil and gas applications.

• Wastewater treatment.

• Maintenance and servicing of gas detection equipment.

Why Choose Q Instrument Services?

Founded in Cork in 2000, Q Instrument Services is one of Ireland’s leading specialists in gas detection equipment, calibration gases and servicing. We supply trusted calibration gas solutions to pharmaceutical, manufacturing, utilities and industrial customers nationwide, backed by expert technical support and decades of experience.

Order your Zero Air Calibration Gas Cylinder today to keep your gas detectors operating safely, accurately and in compliance with manufacturer recommendations.