qbig GmbH a subsidiary company of Gastransport Nord GmbH operates a bidirectional closed-loop
high-pressure calibration facility for gas meters in Leer, northern Germany.
The unique selling point of this test rig is that gas meters in nominal sizes up to DN 500,
in a pressure range from 8 to 52 bar can be completely calibrated in one assembly.
This makes it possible to reduce significant the test times for applications with bidirectional measuring.