France has been supplying natural gas to Germany since 13.10.2022

Our SIRA gas analyser is used at the newly created import points to consistently measure the THT concentration in the high-pressure network and to safely control the odorisation systems of the network operators accordingly.
 
Since France already odorises the gas with tetrahydrothiophene (THT) at the transmission level, the maximum concentration at the border crossing point is 40 mg/Nm³. Many network operators therefore face a major challenge at the transfer points: the combination of pre-odorised gas and decentralised odorisation in Germany leads to an increased concentration of THT and to an increased odour intensity of gas. Here, the limit values for sulphur can quickly be exceeded.
 
UNION Instruments plays an important role for the Franco-German trade relationship and for our energy supply.