UI products

Gas quality analyzers

CWD product series

The CWD product series from UNION Instruments GmbH has been setting standards in the precise analysis of gas quality for years.

They enable the reliable and continuous determination of the Wobbe index, calorific value, specific density and other relevant parameters, making them indispensable for companies in the energy supply, industry and process optimization sectors. Thanks to their robust design, high measuring accuracy and flexible application options, the CWD systems offer maximum operational reliability – even under demanding conditions.

With state-of-the-art sensor technology, intuitive operation and comprehensive data evaluation, the CWD devices ensure that users always have full control over gas quality-relevant parameters such as Wobbe index, calorific/heating value and density. UNION Instruments GmbH stands for innovation, precision and many years of expertise in gas measurement technology – making the CWD series the first choice for economical and safe process control.

CWD Basic by UNION Instruments

CWD BASIC

Reliable measurement of calorific and heating value and Wobbe index

CWD PLUS by UNION Instruments

CWD PLUS

Continuous, highly accurate determination of the Wobbe index

CWD 5G DPC by UNION Instruments

CWD DPC

for use in accordance with Class I Division 2, Groups B, C, D, T4

CWD EXP

Safe shutdown with changing gas composition Gas composition

CWD HT

The new CWD for precise measured values in the high temperature range

CWD 5G SPC_Cover picture

CWD SPC

Reliable, reproducible measured values in real time for optimum monitoring

SIRA product series

The SIRA product series from UNION Instruments GmbH stands for maximum precision in oxygen and inert gas analysis.

The SIRA product series comprises various sensor technologies that can be used both independently and in combination. The modular series concept enables a flexibly configurable device system for the precise analysis of different process and quality parameters.

Thanks to its scalable design, the SIRA product series can be optimally adapted to individual requirements – from the monitoring of individual measured variables to the simultaneous recording of several relevant parameters. Extensions with additional sensors or functions are possible at any time and guarantee a high degree of future-proofing.

With standardized interfaces, intelligent signal processing and user-friendly operation, the SIRA product series stands for reliability, efficiency and economy in demanding applications in industry, energy supply and process optimization.

SIRA ROA Premix by UNION Instruments

SIRA ROA Premix

Analysis of the residual oxygen content after the combustion of fuel gas-air mixtures

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 – UNION’s 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 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.

Scroll to Top