Servomex is the expert in oxygen analysis

Oxygen (O2) gas analysis is key to safety, efficiency, and control in a vast range of industrial processes. Servomex provides an extensive choice of best-fit technologies to measure oxygen at percentage, trace, and ultra-trace levels. Our decades of expertise in gas analysis can be traced back to our early innovations in Paramagnetic oxygen sensing, and we have continued to build on this ever since. Our oxygen analyzers include the flagship SERVOTOUGH OxyExact 2200 Paramagnetic O2 analyzer, compact Tunable Diode Laser models, ultra-precise Coulometric trace oxygen analyzers, trusted Zirconia-based SERVOTOUGH FluegasExact 2700 combustion analyzer, and portable SERVOFLEX analyzers. Whatever your process, we have the oxygen solution you need.

Doug Barth
Douglas Barth
Senior Global Product Manager

Why measure oxygen?

One of the most prevalent gases on Earth – making up approximately 21% of the atmosphere – oxygen is essential to human life, making it vital to many medical gas applications. Oxygen is also widely used in industry, with applications including the production of metal and plastics. The extensive range of oxide compounds used in many processes means that there are many applications where O2 measurements are crucial for process control, safety, and efficiency.

In addition, the widespread presence of O2 in the atmosphere means that it may interfere with other processes, requiring the gas to be monitored as an impurity. While oxygen is not harmful to the environment, it may be necessary to monitor O2 emissions as part of a continuous emissions monitoring system (CEMS).

Extensive solutions for O2 gas analysis

There are several oxygen-sensing technologies available. The most appropriate solution depends on the application, and the measurement range required.

  • Paramagnetic sensing is a long-proven method of measuring percentage O2 based on oxygen’s natural paramagnetic properties. It is ideal for many industrial processes.
  • Zirconia sensing provides a trusted, in-situ, parts-per-million (ppm) measurement for combustion applications. Oxygen measurements are essential for controlling the combustion reaction safely and efficiently.
  • Coulometric sensing offers excellent ultra-trace detection of O2 down to parts-per-trillion levels. As a component of atmospheric air, oxygen is often found as a low-level contaminant in high-purity gases such as nitrogen and argon.
  • Tunable Diode Laser sensing is highly specific to the target gas, and offers a fast, highly stable, continuous cross-stack measurement, ideal for process and combustion control applications.

We’re the experts in O2 gas analysis

The diversity of Servomex’s range of oxygen analyzer solutions benefits operators by ensuring they can find the best-fit solution for their application. Our technological expertise and extensive applications experience allow us to help you to apply the most appropriate oxygen sensor to your process, rather than making the best of one or two options. Servomex technologies are proven and trusted, and used widely throughout the industry, with oxygen gas analyzer installations around the world. Our breadth of choice also extends to the type of oxygen analyzer you can select, from robust SERVOTOUGH devices for hazardous areas, through compact in-situ laser systems, to portable SERVOFLEX analyzers.

Our solutions for oxygen gas analysis

Servomex offers a wide range of oxygen gas analyzers, using various O2 sensing technologies. For hazardous area conditions, we provide several SERVOTOUGH analyzers, led by the Oxy 1900, and OxyExact 2200 Paramagnetic O2 analyzers. This range of rugged online oxygen analyzers also contains the FluegasExact 2700 combustion analyzer, which uses Zirconia sensing, and the Laser 3 Plus models which can be configured for O2.

If portability is a key consideration, our SERVOFLEX range of easily transportable oxygen analyzers can combine Paramagnetic O2 analysis with Infrared sensing to measure a combination of O2, CO, and CO2.

For trace and ultra-trace oxygen monitoring, our SERVOPRO range offers the DF-500 series of O2 analyzers and the DF-760E products for combined measurements of O2 and moisture. Multi-gas analyzers including the MultiExact 4100 and MultiExact 4200 can be configured to measure oxygen, while the MonoExact DF150E and MonoExact DF310E provide accurate O2 results for industrial gas applications. To measure oxygen as part of a continuous emissions monitoring system, we also offer the 4900 Multigas analyzer.

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4900 Multigas

SERVOPRO Safe Area

The 4900 Multigas is a high-performance CEMS analyzer designed for a wide range of multi-gas measurements.

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Chroma

SERVOPRO Safe Area

The Chroma is optimized to specific background gases to ensure optimum performance for your application.

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FluegasExact 2700

SERVOTOUGH Hazardous Area

Designed to measure O2 and COe in flue gases for improved combustion efficiency and reduced emissions.

The FluegasExact 2700 analyzer for effective combustion analysis
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Micro i.s. 5100

SERVOFLEX Portables

Designed for the measurement of oxygen (O2) in potentially flammable gas samples. Certified to Zone 0 and Zone 1 and suitable for measuring percent levels of O2.

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MiniFoodpack 5200

SERVOFLEX Portables

A small sample volume portable benchtop analyzer focused on the checking and quality control of gas mixtures in Modified Atmosphere Packaging (MAP).

SERVOFLEX MiniFoodpack 5200
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MiniHD 5200

SERVOFLEX Portables

The MiniHD 5200 portable gas analyzer is a rugged, heavy duty analyzer designed to accurately measure the levels of O2, CO and CO2 within common gas mixtures.

SERVOFLEX MiniHD 5200
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MiniMP 5200

SERVOFLEX Portables

The only truly portable battery-powered gas analyzer with MCERTS and TUV certification, offers single or dual measurement of oxygen (O2) and carbon dioxide (CO2).

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MonoExact DF150E

SERVOPRO Safe Area

The MonoExact DF150E combines the reliability of Servomex’s tried and tested Coulometric oxygen sensor with a more user-friendly package.

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MonoExact DF310E

SERVOPRO Safe Area

Designed specifically for accurate measurements of oxygen in industrial gas (IG) applications.

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MultiExact 4100

SERVOPRO Safe Area

A high-performance multi-gas analyzer designed to provide up to four simultaneous gas stream measurements.

SERVOPRO MultiExact 4100
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NanoChrome

SERVOPRO Safe Area

Incorporating the latest advances in gas sensing and signal processing methodology, the NanoChrome revolutionizes ultra-trace purity measurements.

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PureGas

SERVOPRO Safe Area

A getter-based purification unit designed for the purification of carrier gases used in Gas Chromatography (GC) and other analytical applications

SERVOPRO PureGas
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SERVOPRO DF-550E

SERVOPRO Safe Area

An ultra-trace Coulometric oxygen analyzer, the DF-550E is optimized for quality measurements in ultra-high-purity electronic gases.

DF-550E an ultra-trace Coulometric oxygen analyzer.
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SERVOPRO DF-560E

SERVOPRO Safe Area

The DF-560E provides the semiconductor industry with industry-best oxygen (O2) measurements for quality control in ultra-high-purity (UHP) electronic grade gas.

DF-560E analyzer for industry-leading ultra-trace oxygen detection
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SERVOPRO DF-560E ULTRA

SERVOPRO Safe Area

A superior quality control solution for ultra-high-purity (UHP) electronic grade gases, the DF-560E Ultra delivers an industry-best detection of 45 parts per trillion for oxygen (O2).

SERVOPRO DF-560E ULTRA
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SERVOPRO DF-760E

SERVOPRO Safe Area

Designed for quality control applications in UHP bulk gases, the compact DF-760E analyzer is a unique solution for the dual measurement of trace and ultra-trace moisture

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SERVOPRO DF-760E ULTRA

SERVOPRO Safe Area

Designed for industry-leading quality control measurements in UHP bulk gases, the compact DF-760E ULTRA is a unique dual-analysis solution for trace and ultra-trace moisture and oxygen.

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SERVOPRO MultiExact 4200

SERVOPRO Safe Area

The MultiExact 4200 analyzes up to four gases simultaneously for Syngas and HyCO

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SERVOPRO NanoChrome ULTRA

SERVOPRO Safe Area

Using proven ultra-trace sensing, the NanoChrome ULTRA conquers the most stringent demands of the semiconductor industry, delivering a cost-effective solution compared to competing technologies.

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SERVOTOUGH Laser 3 Plus Combustion

SERVOTOUGH Hazardous Area

Unmatched installation flexibility plus cost and performance benefits, ready for fast, accurate and responsive measurements in combustion and process control.

Laser 3 Plus Combustion Tunable Diode Laser
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SERVOTOUGH Laser 3 Plus Process

SERVOTOUGH Hazardous Area

Optimized for the fast, accurate and responsive measurement of process oxygen (O2) in hot or hazardous conditions.

Laser 3 Plus Process Tunable Diode Laser (TDL) analyzer
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SERVOTOUGH Oxy 1900

SERVOTOUGH Hazardous Area

The Oxy 1900 oxygen (O2) gas analyzer sets new standards of flexibility, stability and reliability from a single, cost-effective unit.

Oxy 1900 oxygen (O2) gas analyzer
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SERVOTOUGH OxyExact 2200

SERVOTOUGH Hazardous Area

The high-specification OxyExact 2200 O2 analyzer offers an unrivaled combination of precision, flexibility and performance for optimum process and safety control.

OxyExact 2200 high-specification O2 analyzer
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Proven oxygen sensing technologies

Our oxygen analyzer range uses proven sensing solutions that deliver accuracy, ease of use, and a long operational life.

Paramagnetic

Paramagnetic sensing is the cornerstone of O2 analysis

Servomex’s groundbreaking magneto dynamic Paramagnetic technology provides accurate and sensitive measurements of percentage levels of O2. Used by many of our industrial, portable, and multi-gas analyzers, it delivers fast and reliable oxygen measurements.

Zirconia

Trusted and accurate Zirconia oxygen measurements

A reliable and proven oxygen sensing technology, Zirconia-based analyzers are  capable of providing measurements at parts-per-million (ppm) and percentage levels. The Zirconia sensor is an essential component of the SERVOTOUGH FluegasExact 2700 combustion analyzer.

Coulometric

Coulometric sensing provides high-sensitivity measurements of oxygen

Based on a simple, non-depleting process that responds quickly to changing oxygen levels, Coulometric sensing enables the measurement of O2 at percent or parts-per-million (ppm) levels. It ensures our DF-500 range delivers the low-level detection that is essential for UHP gas applications.

Tunable Diode Laser

Obtain fast, in-situ cross-stack measurements with TDL sensing

Tunable Diode Laser (TDL) technology offers a fast-response, accurate measurement that is highly specific to the gas of interest. This non-contact, non-depleting sensing is used in our innovative, compact SERVOTOUGH Laser 3 Plus range of analyzers.

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Find out how we can support your Oxygen process with these resources.

Application Note Purified Terephthalic Acid (PTA)

Application Note Purified Terephthalic Acid (PTA)

Application Note Marine Vapor Control

Application Note Marine Vapor Control

SERVOTOUGH Laser 3 Plus Process Product Brochure

SERVOTOUGH Laser 3 Plus Process Product Brochure

SERVOTOUGH Laser 3 Plus Combustion Product Brochure

SERVOTOUGH Laser 3 Plus Combustion Product Brochure

Selected solutions for Oxygen-based applications

Our digital oxygen sensors, including Paramagnetic, Zirconia, Coulometric and TDL, provides solutions to a wide variety of processes.

Air separation units

Diverse sensing solutions that adapt to your process

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Coal-fired thermal power

Our total analytical solution delivers benefits in cost, process efficiency, safety and emissions across the process

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Direct reduction iron production

Effective solutions across the DRI process

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Ethylene Oxide

A hazardous area solution that supports safe operation

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Servomex – gas analysis to empower a changing world

Servomex is the global leader in gas analysis, providing solutions for cleaner, more efficient industries, and enabling the manufacture of products that benefit everyone. With 70 years of expertise and research behind us, we deliver industry-changing gas analysis measurements for process control, quality, safety, emissions monitoring, and combustion efficiency.

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Global service support delivered locally

Wherever you are in the world, our network of service engineers provides the expertise you need to keep your ammonia analyzer operating at peak performance. With state-of-the-art service centers around the globe, you’ll always have the support your process needs.

Service team meeting customer

We provide tailored service packages that support your product throughout its life

Our global service network delivers the support you need to keep your analyzer or system operating at peak performance, for total peace of mind.

Broadly, we categorise our customers into two distinct groups

Purity & Speciality

Our Purity & Specialty (P&S) team provides products, knowledge and service to market sectors including industrial and medical gases, UHP gases, and semiconductor manufacture

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Industrial process & Emissions

Our Industrial Process & Emissions (IP&E) division is responsible for our gas analysis solutions in the power generation, hydrocarbon processing and emissions monitoring markets

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Choose the experts in Oxygen gas analysis

The Servomex difference is clear from the start, all the way through to delivery of an oxygen gas analysis system that will transform your process.

We consult with you to determine what you need

Our team stays in place throughout the project, ensuring consistent communication. This starts with identifying the parameters that the system must meet to ensure optimum performance and ease of use.

We design and build your system in our dedicated facility

Our schematics and documents are reviewed by the customer until the final design is agreed upon. Our skilled engineers then assemble the system at one of our cutting-edge regional centers, with continuous evaluation throughout the build process.

We test and deliver your integrated solution

After internal testing and an intensive Factory Acceptance Test (FAT), the finished system is shipped for installation. Our expert support team can commission and calibrate the system and provide any necessary operator training.

Choose the experts in Oxygen gas analysis

The Servomex difference is clear from the start, all the way through to the delivery of an oxygen gas analysis system that will transform your process.


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