Our promise: durable, reliable products that give you clear and dependable readings around the clock. Developed under ecological aspects. Powerful made in Germany.
We are Gröger & Obst
Our course: Always one step ahead.
We approach our daily work with this in mind. We develop our solutions ourselves and implement them directly at our company headquarters in Upper Bavaria. As an owner-managed company, it is a matter of honour for us that all devices bearing our name must perform reliably and last a long time.
A course that has helped us to establish ourselves as a force to be reckoned with in the water and gas analysis market since our foundation in 1986.
Our specialist areas
TOC online measuring devices, filter and sample preparation systems. With our measuring devices, you can choose between different measuring components and designs to find the right solution for your specific requirement.
Gas conditioning and measurement equipment for online measurements and precision monitoring. We provide you with our own measuring methods and measuring gas preparation systems for the determination of gases such as CH4, CO2, O2, SO2, ATC and other chemical gas components.
Areas of application & industries
Our products for water analysis are suitable for a wide range of different applications: for plant monitoring of wastewater treatment plants, for monitoring industrial wastewater from sewage plants, for surface water monitoring of airports and refineries, for drinking and process water monitoring, in water quality control and for the simplification of country-specific wastewater levy regulations.
In the field of gas analysis, our instruments support the aviation industry in monitoring cabin air, hospitals in monitoring air conditioning systems and sewage treatment technology in monitoring methanol. In addition, they are used in research facilities in the ultra-pure gas and breathing gas sector, in chemical laboratories, in the chemical and petrochemical industry, in clean room monitoring, filter monitoring and in immission and emission monitoring.
Why Gröger & Obst?
We are happy to accommodate your wishes in the design of our units. Whether wall mounting, table-top units or even the smallest designs – together we will discuss which solution we can implement for you. Our almost 40 years of experience in gas and water analysis allows us to configure the ideal instrument for your application. We always pay attention to maximum simplicity of design and usability.
Our units can be operated safely and conveniently from the front. All hose lines are colour-coded to make servicing and maintaining the equipment even easier and safer. Our infinitely variable peristaltic pumps are also equipped with transparent hoses for uncomplicated visual control.
With an analyser from Gröger & Obst you make a good and safe choice. For today and for the future. You can rely on it!
Gröger & Obst stands for a lot, but not for standing still. Our developers are constantly looking for innovations and upgrades for our devices
As a family business, trust, honesty and partnership are particularly important to us.
Sustainability and durability are what make our appliances so distinctive.
Individual advice is indispensable for us. Preferably on site, where we can immediately get an idea of your specific requirements.
What our clients say about our work
Analysis technology for a wide range of industries
Gröger & Obst is a leading provider of state-of-the-art measuring systems, services and solutions in the field of gas and water analysis. In addition to online TOC meters, our portfolio also includes filter and sample preparation systems for the continuous detection of total organic carbon (TOC) in water or gas.
Different measuring components and designs enable us to offer the right solution for the specific requirements of your industry. This makes our technology for analytical measurements both individual and multifunctional.
Our measurement systems are used wherever air and water contamination must be detected and reduced at an early stage, even in sensitive areas such as hospitals, laboratories, clean rooms, but also in air traffic, sewage and waste water treatment plants or refineries.