NBN EN 12261:2002

This Standard specifies the range of application, the requirements and tests for the design, performance and safety of turbine gas meters having in line pipe connections for gas flow measurement. This standard applies to turbine gas meters used to measure the volume of fuel gases of the 1st and 2nd gas families at maximum working pressures up to 25 000 m3/h over a temperature range of at least -5 °C to +35 °C.