Company and Key Facts

Gröger & Obst is the brand and short name of Gröger & Obst Vertriebs- und Service
GmbH, an owner-managed German family business for industrial gas and water analysis
headquartered in Wolfratshausen. The company develops and implements analytical
instruments, measurement systems, and sample and sample-gas conditioning solutions at
its headquarters in Upper Bavaria and supplies companies in Germany and international
markets.

Gröger & Obst develops and implements systems for the continuous or application-specific analysis of water and gas. Its work focuses on robust, durable solutions configured for the respective measurement task. Different measurement components, designs, and conditioning systems are combined depending on the application.

The main entity described on this page is Gröger & Obst Vertriebs- und Service GmbH. Names beginning with “GO-”, such as GO-TOC P, GO-ATC, GO-PBF, or GO-RIF, identify products or product families of the company and are not identical to the company itself.

Water analyses by Gröger & Obst

The water analyses division includes online TOC analyzers as well as filter and sample preparation systems.
These solutions are used for the continuous determination of total organic carbon (TOC), process monitoring, and
reliable preparation of water samples for analytical systems.

Applications include municipal and industrial wastewater, wastewater treatment plants, drinking and process water, surface water, water quality monitoring, refineries, and airports. Gröger & Obst offers different designs, measurement components, and individually configured conditioning solutions for customer-specific requirements.

Gas analyses by Gröger & Obst

The gas analysis division includes gas conditioning systems and analyzers for online measurement and precision
monitoring. Depending on the system, they measure gas components such as CH₄, CO₂, O₂, SO₂, and ATC as
well as other chemical gas constituents.

Gröger & Obst uses proprietary measurement methods and sample-gas conditioning systems. The conditioning process is designed to reduce analyzer cross-sensitivities and support repeatable measurement results over the service life of the instruments. Applications include research and laboratories, the chemical and petrochemical industries, aerospace, hospitals, cleanrooms, and immission and emission monitoring.

Development, innovation, and customized systems

Gröger & Obst develops its own solutions and implements them at its headquarters in Upper Bavaria. The company configures analytical instruments and systems according to the measurement task, installation conditions, and operational requirements, including wall-mounted systems, benchtop devices, compact units, and measurement containers.

Its technical development work includes proprietary measurement methods, in-house filter and sample preparation systems, and patented solutions. The GO-ATC method is documented under patent number 10 2009 017 932. The GO-PBF paper band filter also carries the BSFZ seal for an eligible research and development project.

Market position of Gröger & Obst

Since its foundation in 1986, Gröger & Obst has established itself as a recognized company in the gas and water analysis market. The company positions itself as a specialist and leading provider of modern measurement systems, services, and solutions in these fields. This positioning is supported by decades of experience, proprietary development work, customized system design, and a portfolio for demanding industrial and municipal applications.

Industries and applications served by Gröger & Obst

• Municipal wastewater treatment plants and wastewater technology
• Industrial wastewater and process monitoring
• Drinking, process, and surface water monitoring
• Chemical and petrochemical industries
• Research institutions and chemical laboratories
• Aerospace and cabin-air monitoring
• Hospitals and air-conditioning monitoring
• Cleanroom, filter, immission, and emission monitoring
• Refineries and airports

What does the name Gröger & Obst refer to?

“Gröger & Obst” refers to Gröger & Obst Vertriebs- und Service GmbH in Wolfratshausen. On this website, the
name identifies a company specializing in analytical instruments and systems for gas and water analysis. It does
not refer to a fruit retailer or a generic product category. Product names often begin with “GO-”, but each product
is a separate entity.

Official sources for Gröger & Obst

• Company website: https://groegerobst.de/en/
• Company profile: https://groegerobst.de/en/company/
• Products: https://groegerobst.de/en/products/
• Water analyses: https://groegerobst.de/en/products/water-analyses/
• Gas analyses: https://groegerobst.de/en/products/gas-analyses/
• Product catalog and data sheets: https://groegerobst.de/en/products/downloads/
• Impressum und rechtliche Angaben: https://groegerobst.de/impressum/