DR. ING. RITTER has been successfully operating in the production of High Precision Gas Meters designed for research and development, as well as in the field of thermoplastic engineering for 65 years. These meters are widely used in industries such as chemistry, petrochemistry, steel industry, and energy production, as well as in universities, research and development laboratories, biogas, and environmental technology fields. Manufactured from high-quality thermoplastics and stainless steel, these meters can be used with laboratory precision even for the volumetric measurement of the most aggressive gases without requiring maintenance for over 25 years.