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.


With over 75 distributors worldwide, use a dense distribution network and get RITTER products directly at the point of contact.


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

Progress in Biogas VI Banner

Progress in Biogas VI

»Science meets Practice« … is the motto of the 3-day international conference »Progress in Biogas VI« from 2nd to 4th September 2024. The conference, taking place for the sixth time, offers workshops as well as exhibitions of various companies from the industry. The venue is the University of Hohenheim in Stuttgart and the conference will be held in English. With…

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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

RITTER »MultiGas« Sensor Casing type 2 with 9 duo IR sensor modules

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…

Read MoreBiogas Batch Fermentation System for Laboratory Use with Automatic Gas Analysis in Real Time