Replacement chart strips are available for triple thermographs from G. Lufft Mess- und Regeltechnik GmbH. These chart strips are compatible with the following device models: 8070, 8072, and 8075. The following chart strips are available for the Lufft triple thermographs: TTT 828, TTT 539, TTT 731, and TTT 730.
You can find the respective device number on the base plate of your Lufft device. The diagram number can be found at the bottom right of the recording paper.
