Welcome to RITTER Engineering!
70 Years of Experience Manufacturing High Precision Measuring Instruments and Gas Meters for Research & Development
RITTER Engineering has been successful in the manufacture of measuring instruments as well as in the field of thermoplastic engineering for 70 years. In addition to innovative modular Multi-Gas Sensors and Biogas Batch Fermentation Systems, RITTER manufactures Gas Meters made out of various superior thermoplastics and high grade stainless steel, which are used world-wide in research & development laboratories as well as in industry. These meters can be used for volumetric measurement of even highly aggressive gases with laboratory precision.
Worldwide
With over 75 distributors worldwide, use a dense distribution network and get RITTER products directly at the point of contact.
Innovative
The Biogas Batch Fermentation System with automatic data logging, you save valuable time and receive at the same time up to 18 measurement results!
Maintenance Free
RITTER provides highly accurate measurement, even for highly-aggressive gases – and this for more than 25-years maintenance free!
Upcoming Events

REGATEC 2025
This year’s 11th International Conference on Renewable Energies and Gas Technology, REGATEC 2025, will take place as a hybrid event on May 20 and 21, 2025, at the Leonardo Hotel in Weimar. The first day of the conference will feature a session on biogas and ecologically produced liquefied gas. The second day of the event will include a symposium on methanization and…
Industries & Business Segments
Do you know RITTER?
Surely you already know a number of products from the market leader for highly accurate volumetric measurement of gas volume. But do you know who is behind it and how it came to a worldwide distribution network? And anyway: Inventing instruments for highest demands is not a finger snap! Read the whole story ...
Recent Posts

We would like to inform you that our company will be closed from December 23, 2024, to January 5, 2025 (inclusive). We sincerely thank all our customers and partners for the trustful collaboration and wish you a joyful Christmas and a happy, successful, and healthy…

Together with the company Wi.Tec-Sensorik GmbH from Wesel, Dr.-Ing. Ritter Apparatebau GmbH & Co. KG has developed a new type of biogas batch fermentation system that can be used to operate up to 18 different fermentation vessels. The fermentation vessels…




In 2015 RITTER introduced the Biogas Batch Fermentation System which was since that time installed successfully in many biogas labs world-wide. As a constistent next step RITTER developed its own low-weight heating oven made out of thermoplastic (PE) for Batch Fermentation Systems.

… with the RITTER CO₂ Absorption Bottle Better than 99% absorption capability and you don’t even need any absorption indicator! Definition of CO₂ Absorption Capacity with RITTER Absorption Bottles: The above diagram shows the definition of the CO₂ absorption capacity…

Analyse simultaneously with 3 modules up to 4 different gases in one table-top casing Modular sensor design In order to be able to adapt the measuring system as flexibly as possible to individual measuring tasks, the individual components are designed…

… in Terms of absorption rate with the Unique RITTER Dip Pipe System: Better than 99% absorption capability and you don’t even need any absorption indicator! Ordinary systems for CO₂ absorption lead the biogas into the inside upper part of…