The complete system Set BGA

Set BGA (Biogas-Analysis) is a standardized complete system for biogas analysis.

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Complete system for the analysis of raw biogas

Set BGA – Efficiency through continuous monitoring

The sets contain all -required components for the relevant application, from gas sampling to operator control and display units in a compact design. Sets are easy to configure and provide considerable user benefits thanks to reduced requirements for planning, engineering, installation, training, and maintenance. The Set BGA measuring system consists of the four measuring components ULTRAMAT 23 gas analyzer with selectable equipment and I/O components (basic equipment) as well as additive modules.

Up to four sample streams can be chosen 

Efficient sample preparation for fast, reliable and reproducible analytical results is an essential prerequisite for analyzing raw biogas. Up to four sample streams can be chosen for continuous analysis. The sample preparation device is fitted in a rugged enclosure in which a cabinet heater can be accommodated (to avoid condensation moisture when installed outdoors) in addition to a suction pump. 


With the Set BGA Siemens offers another standard solution, which is not only extremely economical, but also helps to optimize the processes.

Technical data

Measuring components

CO2, CH4, O2, H2S

Basic equipment
Wall or rack mounting including flame arrestor
Sample preparation
Up to four streams

Benefits at a glance

Reduced operating and maintenance costs:

  • Monitoring of several fermenters using one device via measuring point switchover function
  • Can be ordered from catalog, supplied ready-to-run, minimum installation efforts  

Particularly high operational reliability, long-term stability and availability:

  • Industry-compatible, extremely rugged mechanical and electrical design
  • High service life of the H2S- sensor; no dilution or backflushing required   

Particularly high measuring accuracy and safety:

  • No dilution of sample gas required
  • Suitable for connection of flammable gases at high concentration (as is the case with biogas) in accordance with TÜV (German Technical Inspection Association) report   

Simple integration into process systems by using open interface architecture including fieldbus (optional)

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Information at a glance

Whether you are looking for contacts at your location, have technical questions, or need spare parts, we have clearly summarized the essential additional information for you below.

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Proposed solutions for your queries and direct access to our experts in Technical Support.

Service offers

To remain competitive, companies in industry must ensure – and ideally increase – the availability and productivity of machines and plants. As your partner, we offer a unique range of services and support based on our extensive technology and industry expertise.

Service catalog

As your partner, we offer a unique range of services and support based on our extensive technology and industry expertise. With our offerings, you can expect a high degree of reliability and a successful digital future for your company.

Well trained for excellent handling

Receive standardized or individual expertise directly from the manufacturer – with training centers in more than 60 countries.

Safety integrated

Safety is key in the process industries. A failure in instruments relevant for safety may have serious implications for humans, the process and the environment. Therefore, a wide range of our process instruments come with on-board safety features for maximum risk reduction.


Here for you to answer all your questions

We are represented worldwide with production facilities and system integration centers. Each center, whether in Houston, Singapore, or Karlsruhe, has its own sales, engineering and assembly teams, service and logistics hotlines and well-equipped training centers. In addition, our employees have a global presence and are familiar with all relevant local requirements, guidelines, and standards.

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