Our promise: durable, reliable equipment and analyzers that provide you with clear and accurate measurements around the clock. Developed under ecological aspects. High-quality analyzers “Made in Germany”.
Family-owned with a passion for analytics
We are Gröger & Obst – Your partner for analyzers and system solutions for gas and water
Our approach: Always one step ahead.
With this mindset, we develop our solutions in-house and implement them directly at our headquarters in Upper Bavaria. As an owner-managed company, it is a matter of principle for us that every analytical instrument bearing our name delivers reliable performance and long-term operation – today and in the future.
Since our founding in 1986, we have established ourselves as a solid presence in the market for gas and water analysis – and we will continue to be at your side as an expert for high-quality analyzers ̏Made in Germany˝.
Gröger & Obst analyzers – when accuracy matters most
Our areas of expertise
Water analyses
Online TOC analyzers, filtration and sample preparation systems. Our analyzers allow you to choose between different measuring components and constructions so that you can select the solution that best fits your specific requirements.
Gas analyses
Gas preparation systems and analyzers for online measurements and precision monitoring. We provide proprietary measuring methods and sample gas preparation systems for determining gases such as CH₄, CO₂, O₂, SO₂, ATC and other chemical gas components.
What are our products used for?
Areas of application & industries
Our solutions for water analyses enable reliable monitoring of municipal and industrial wastewater as well as surface water, drinking water and process water. They support safe process control and help you to comply with legal requirements efficiently.
In the field of gas analyses, precise measurements and flexible application options are key. Our instruments are used for monitoring air and climate applications as well as for process control. In addition, they are applied in research, laboratories, the chemical and petrochemical industry, cleanrooms and in immission and emission monitoring.
What sets us apart
Why Gröger & Obst?
We are happy to adapt the construction of our analyzers to your specific requirements. Whether wall-mounted systems, benchtop instruments or very compact constructions – together we‘ll find the solution that works best for you. Our 40 years of experience in gas and water analysis enable us to configure the ideal analyzer for your specific application. We always focus on simple assembly and user-friendly operation.
Our analyzers can be operated safely and conveniently from the front. All tubing is color-coded to make servicing and maintenance as easy and safe as possible. Our peristaltic pumps are equipped with transparent tubing to allow for quick and simple visual inspection.
Innovative
Gröger & Obst stands for many things – but not for standing still. Our development team is continuously working to innovate and upgrade our analyzers.
Personal
As a family-owned company, trust, honesty and partnership are particularly important to us.
High-quality
Sustainability and long operating life are what make our instruments so distinctive.
Individual
Individual consulting is essential to us. Ideally, this takes place directly on site, where we can gain a clear understanding of your specific requirements.
Customer references
What our clients say about our work
We have been ordering spare parts for gas and water analysis for our analytical instruments from Gröger & Obst for many years. With the current situation on the world market, prices are kept constant over a long period of time and delivery times are also short as long as the items are in stock. We are pleased to be able to work with such a reliable supplier.
Dear Gröger & Obst Team,
Since 1999 we have purchased several GO-TOC analysers from you. For over 20 years, your analysers have been running to our complete satisfaction. Low maintenance and minimal replacement and wear costs characterise your units. If minor technical difficulties did occur, you solved the problem immediately and rectified it. We can recommend your equipment without reservation.
A good 30 years ago, the Dachau wastewater treatment plant was due to purchase a TOC device. After looking around the industry, we realised that most devices are either too expensive, too complicated, too fragile or simply no good. Until we came across Gröger & Obst. Finally, a simple TOC without bells and whistles that also works. Mr Gröger and his colleagues are always open to questions or suggestions. Such cooperation pays off for both sides in the long run.
Our portfolio
Analysis technology for a wide range of industries
At Gröger & Obst, we provide measurement systems, services, and solutions in the field of gas and water analyses. 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.
That’s why our measurement systems are used wherever air and water contamination needs to be detected early and mitigated in critical areas—including hospitals, laboratories, and cleanrooms, as well as in aviation, wastewater treatment plants, and refineries.
Expertise we’re happy to share
Explore process analysis
When working with gas and water analyses, there’s more to understand than the instruments themselves. The Analytic Journal offers insights into measurement methods and processes. As a platform partner, we help make this expertise accessible.