Hello,
I am looking for sensors to measure the roll diameter of a roll with unwinding steelwire. The max diameter is aproximately 1500mm and the min 500 mm. The sensor will be mounted aprox 200-500 mm away from the roll. I have never used sensors to measure distance before but I have read some threads and understand that the main choices are laser or ultrasonic. The resolution/accuracy is not critical 5-10mm is OK.
However my application is a little special . The roll is mounted on a vehicle that moves at aprox 10-15 km/h while unwinding. There is no roof or cover. The vehicle is used all year in Sweden. So it might be anywhere from -20'C to +50'C it may be dark or intense sun light and calm or windy.
Which type of sensor would be best in my application?
The way I understand ultrasonic sensors have problems with temperature and wind.
Laser sensors have problems with ambient light.
Is there any sensor type???
There are a lot of brands on the market. Has anyone used anything for an aplication like mine?
I am looking for sensors to measure the roll diameter of a roll with unwinding steelwire. The max diameter is aproximately 1500mm and the min 500 mm. The sensor will be mounted aprox 200-500 mm away from the roll. I have never used sensors to measure distance before but I have read some threads and understand that the main choices are laser or ultrasonic. The resolution/accuracy is not critical 5-10mm is OK.
However my application is a little special . The roll is mounted on a vehicle that moves at aprox 10-15 km/h while unwinding. There is no roof or cover. The vehicle is used all year in Sweden. So it might be anywhere from -20'C to +50'C it may be dark or intense sun light and calm or windy.
Which type of sensor would be best in my application?
The way I understand ultrasonic sensors have problems with temperature and wind.
Laser sensors have problems with ambient light.
Is there any sensor type???
There are a lot of brands on the market. Has anyone used anything for an aplication like mine?