We want to measure a diameter of a coil with steelwire on it (diameter of wire is 0.1 - 0.7 mm).
The coil diameter can vary between 200 mm and 700 mm.
The width of the coil is about 250 mm.
For the installation of a sensor we have to position it at about 850 mm to 950 mm from the center of the bobbin (due to the construction of the unwinder where we want to measure).
It might be possible that the steelwire that is unwound passes in the area where the distance sensor will scan, so maybe a sensor that does not detect small objects (< 1 mm) might be better then one that detects the smallest particles. That said, the sensor must detect the unwound part of the bobbin ( width +- 250 mm).
Has someone experience with such a sensor (ultrasonic, laser) with analog voltage or current output?
Thanks for your ideas.
The coil diameter can vary between 200 mm and 700 mm.
The width of the coil is about 250 mm.
For the installation of a sensor we have to position it at about 850 mm to 950 mm from the center of the bobbin (due to the construction of the unwinder where we want to measure).
It might be possible that the steelwire that is unwound passes in the area where the distance sensor will scan, so maybe a sensor that does not detect small objects (< 1 mm) might be better then one that detects the smallest particles. That said, the sensor must detect the unwound part of the bobbin ( width +- 250 mm).
Has someone experience with such a sensor (ultrasonic, laser) with analog voltage or current output?
Thanks for your ideas.