Lufft replacement writing strips for thermographs

Replacement chart strips are available for recording devices manufactured by G. Lufft Mess- und Regeltechnik GmbH. The chart strips are compatible with the following device models: 8103, 8104, and 8106. The following chart strips are available for Lufft thermohygrographs: T 830, T 835, T 823, T 834, T 820, T 552, T 617, T 611, T 697, T 698, T 473, T 681, and T 680.
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.