Expert solutions for non-methane hydrocarbon measurements

Chris Davis
Product Manager

Our gas analyzers provide accurate and reliable non-methane hydrocarbon (NMHC) measurements in your process, using the sensing technologies that best suit your application. Combining innovative Plasma Emission Detector technology with Gas Chromatography, our NHMC analyzers monitor trace-level NHMC as impurities in industrial, medical, and ultra-high-purity gases. We also provide a non-methane hydrocarbons solution using heated Flame Ionization Detector (FID) sensing for industrial or vehicle emission applications.

Why measure non-methane hydrocarbons?

Non-methane hydrocarbons are often found as contaminants in industrial, medical, and semiconductor gas processes. To ensure gas purity, they must be measured at very low, trace or ultra-trace levels. In addition, NMHCs are significant atmospheric pollutants, and so must be monitored in industrial emissions for regulatory and safety purposes.

How non-methane hydrocarbons gas analyzers work to provide non-methane hydrocarbons solutions

Several sensing technologies are available to measure non-methane hydrocarbons. The most appropriate solution depends on the application, and the measurement range required.

  • Flame Ionization Detector (FID) technology is designed to measure total hydrocarbons down to parts-per-billion (ppb) levels. By combining a FID sensor with a non-methane cutter, it can be used to measure methane concentrations as well.
  • Gas Chromatography separates out the constituent components of a gas mixture, allowing relative concentrations to be determined. Under optimized conditions, it can measure down to parts-per-billion (ppb) levels, making it ideal for high-purity control processes.
  • Servomex’s Plasma emission detection technology was developed to provide a safer alternative to flame-based sensing for hydrocarbon analysis, and delivers ultra-low measurements. It provides highly sensitive and selective speciation, so is only suitable for trace analysis applications.

Our non-methane hydrocarbons application solutions

Our key NHMC gas analyzer products for hydrocarbon mixture analysis can be divided into two types: those using Plasma and Gas Chromatography sensing to measure NHMCs, and our FID sensing solution. The SERVOPRO Chroma is a versatile, ultra-accurate trace gas analyzer optimized to specific background gases for optimum performance. The SERVOPRO NanoChrome and NanoChrome ULTRA incorporate the latest advances in gas sensing and signal processing methodology, for superior performance in ultra-trace purity measurements. The SERVOPRO HFID uses sensitive and accurate Flame Ionization Detector sensing technology to measure THC to ultra-trace levels in industrial or vehicle emission applications.

Our solutions for non-methane hydrocarbons gas analysis

Servomex gas analyzers offer non-methane hydrocarbons solutions for a range of safety, quality control, process control, and emissions monitoring applications. Our SERVOPRO HFID uses sensitive and accurate Flame Ionization Detector sensing technology to measure NMHC to parts-per-million levels. For even lower-level measurements, such as those required in semiconductor gas applications, our SERVOPRO Chroma, NanoChrome, and NanoChrome ULTRA gas analyzers use Plasma Emission Detector technology combined with Gas Chromatography to measure at parts-per-billion and parts-per-trillion levels.

Search Servomex Non-methane hydrocarbons analyzers

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Chroma

SERVOPRO Safe Area

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

  • Versatile, ultra-accurate trace gas analysis
  • Choice of non-depleting sensor technologies
  • Cost-effective solution for process control or quality monitoring
  • Works in a wide range of background gases
  • Compact 4U rack-compatible design
  • Flexible communication options

HFID

SERVOPRO Safe Area

Utilizes an internally heated oven set to 190°C (374°F) to maintain the sample gas above its dew point, for optimum performance in total hydrocarbon analysis (THC).

  • Highly sensitive trace hydrocarbon analyser
  • Ideal for vehicle/engine certification testing
  • Heated FID for volatile hydrocarbon concentrations
  • Delivers real-time, on-stream gas analysis
  • Cutter system removes non-methane hydrocarbons
  • Four user-definable measurement range options

NanoChrome

SERVOPRO Safe Area

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

  • Ultra-trace purity measurements in UHP gases
  • Designed for semiconductor manufacturing
  • Uses advanced Plasma Emission Detector sensor
  • Sensitive ProPeak software for high accuracy
  • Removes the need for flammable fuel gas
  • Comprehensive reporting and statistical analysis

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.

  • The top choice for ultra-trace purity measurements
  • Designed for the semiconductor wafer industry
  • Superior measurements of ultra-high-purity gases
  • Highly specific, non-depleting PED sensing
  • ProPeak filtering for highly sensitive measurements
  • Removes the need for flammable fuel gas

Proven non-methane hydrocarbons sensing technologies

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

FID sensing delivers highly accurate total hydrocarbon measurements

Flammable hydrocarbon samples can be measured at very low levels with our Flame Ionization Detector (FID) sensors. Based around the detection of ions formed by combustion, they are key to the sensitive, accurate measurements delivered by our SERVOPRO Chroma, FID, and HFID analyzers.

 

Learn more about FID technology

Gas Chromatography delivers high-purity analysis

Gas Chromatography is an analysis technique that works effectively alongside other sensing technologies, delivering a highly sensitive measurement of the constituent components of a gas sample. It is used in our SERVOPRO Chroma, NanoChrome, and NanoChrome ULTRA analyzers.

Learn more about Gas Chromotography
Plasma

Plasma delivers a highly specific, stable gas measurement

Developed to provide a safer alternative to flame-based sensing for hydrocarbon analysis, Servomex’s Plasma emission detection technology delivers ultra-low gas measurements. It is used in our SERVOPRO Plasma, Chroma, NanoChrome, and NanoChrome ULTRA analyzers.

Learn more about Plasma technology

Non-methane hydrocarbons analysis resources

For more in-depth information about our ammonia analysis solutions, download our additional expert resources

SERVOPRO Chroma expert paper

SERVOPRO Chroma expert paper

SERVOPRO NanoChrome expert paper

SERVOPRO NanoChrome expert paper

Semiconductor Wafer Production

Semiconductor Wafer Production

HyCO Hydrogen Production

HyCO Hydrogen Production

Selected solutions for non-methane hydrocarbons based applications

Air separation units

Diverse sensing solutions that adapt to your process

Learn more

Medical gases

An advanced solution for purity assay and impurity detection

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Purified Terephthalic Acid

An effective solution for hazardous environments

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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

Learn more

Choose the experts in non-methane hydrocarbons gas analysis

The Servomex difference is clear from the start, all the way through to delivery of a non-methane hydrocarbons 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.


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