UI products
Process gas
analyzers
- SIRA PRODUCT SERIES
SIRA product series - High-precision UV gas analysis for the most demanding industrial processes
The SIRA product series from UNION Instruments GmbH stands for state-of-the-art, UV-based gas analysis at the highest industrial level.
Developed for industries in which gas composition, process stability and emission-relevant parameters play a central role, the SIRA series delivers extremely precise, fast and low-drift measurement results – even under demanding thermal and chemical conditions.
With its highly sensitive UV sensors, the SIRA series enables the selective analysis of CH₄, VOCs, premix mixtures and other process gases. This makes the devices ideal for industrial combustion processes, thermal plants, petrochemical processes, glass and metal production and safety-relevant gas monitoring. The UV technology offers decisive advantages: no gas treatment, high selectivity, fast response times and particularly low drift values, which ensure reliable 24/7 monitoring.
The SIRA product series was specially developed for continuous industrial applications and combines a robust design, compact sensor technology and excellent long-term stability. Whether premix monitoring, CH₄ detection in the low range or VOC analysis – SIRA devices enable maximum process reliability, energy efficiency and compliance with international emission standards.
With the SIRA series, UNION Instruments GmbH offers a powerful platform for companies that require precise, low-maintenance and durable gas analyzers in order to optimize production processes and comply with emission-relevant limit values.
SIRA UV THT
Continuous measurement of odorant gas concentration in natural gas
SIRA UV VOC
Measurement of volatile organic compounds (VOCs)
SIRA CH4 low
Continuous measurement of trace amounts of methane in exhaust gases
Industry applications
These products can be used in the following sectors.
The measuring and analysis devices from UNION Instruments GmbH are used worldwide in industries in which gas quality, calorific value measurement and precise process gas monitoring play a central role. Whether power generation, petrochemicals, glass and ceramics production, the metal industry, biogas processing or natural gas infrastructure – the systems ensure reliable and highly accurate analysis of fuels and process gases everywhere. In addition, UNION Instruments GmbH supports operators of biogas plants, sewage treatment plants, synthesis gas and hydrogen systems, energy measurement systems and mine gas applications with customized measurement technology for demanding processes.
With state-of-the-art technology for calorific value and heating value determination, Wobbe index measurement and gas composition analysis as well as robust, industrial-grade housings, the devices from UNION Instruments GmbH enable optimum process control, higher energy efficiency and maximum operational reliability. Even under extreme ambient and process conditions, they provide stable, reproducible and meaningful measurement data that allows operators to optimize energy use, reduce emissions and sustainably increase plant availability.
Thanks to decades of experience in industrial gas analysis,UNION Instruments GmbH develops solutions that are precisely tailored to the technical requirements of a wide range of industries and applications – precise, reliable and industry-proven. With precise and robust measurement technology, UNION Instruments GmbH helps to make industrial and energy-related processes more efficient, safer and more sustainable.
Iron and steel production
Our appliance series have been used in iron and steel production for many decades.
Biogas
The products of UNION Instruments GmbH have proven themselves extensively in biogas upgrading plants.
Petrochemicals and refineries
We produce customized and flexible measurement technology solutions for the petrochemical industry and refineries.
Glass and ceramics
Perfectly coordinated appliance technology for glass and ceramic applications that works both safely and economically.
Natural gas
Our INCA multi-gas analyzers provide efficient solutions for processes in natural gas plants.
Generating energy from waste
Our appliance technology makes an important contribution to the functionality of environmentally friendly and energy-saving system concepts.
Service
We clarify administrative and commercial issues for you.
+49 721 680381-30
Support
You can open a support ticket for technical support for your product.
+
Distribution
We prepare quotations for you, clarify questions about invoicing and manage your maintenance contract.
+49 721 680381-20
Downloads
Here you will find various downloads to support you.
Brochures, data sheets and application reports – we have all the relevant information for you here.
Industries
Our key application areas at a glance.
We supply a wide range of industrial plants such as steel production, the natural gas industry and biogas producers.
Products
Special products for your industrial application.
Our range includes the INCA, CWD and SIRA product series and the CAM module – combined with top advice and service.