Replacement chart strips are available for meteorographs (baro-thermo-hygrographs) from G. Lufft Mess- und Regeltechnik GmbH. The chart strips are compatible with the following device models: 8070, 8072, and 8075. The following chart strips are available for Lufft thermohygrographs: BTH 801, BTH 723, BTH 822, and BTH 826.
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.