Length correction device M 2621 for continuous lines and cut length machines

Length measuring device M 2621 based on the M 2620 with an improved accuracy of better than ± 0.15% made possible by an automatic length control and correction system.
A dancer in contact with the carpet activates two sensors exactly 1.5 metres apart.
This distance is compared with the measured length of the measuring wheel.
Any recorded deviations are automatically corrected thus guaranteeing the pre-selected length is obtained.
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