The matching sensor is available in different lengths:
Length 0.75m Art. No. 7000 00 88
Length 1,50m Art. No. 7000 00 89
Length 3,00m Art. No. 7000 00 90 Length
5,00m Art.
No. 7000 00 91 Length
10,00 m Art.
No. 7000 00 92
https://www.rademacher.de/suche?q=3711