It's indeed hard to believe that "water spill on them all the time" is considered normal operation. But we don't know much about the situation. Either the machine is operated under different conditions than expected by the manufacturer, or it's badly designed.But don't you think that some arrangement that prevents water to come to the sensor will be better?
But don't you think that some arrangement that prevents water to come to the sensor will be better? Are you looking for something more than that?
The closest that comes to mind is an ultrasonic sensor. It is water proof, rugged and reliable. Have a look at this - https://www.pepperl-fuchs.com/global/en/24176.htm. There could be other manufacturers.
You can use a interruptive sensor that uses a light beam (like one in the old mouse) interruption but that means you need to put the source and detector at opposite sides. That may increase complexity. But how that will solve your problem? (anyway, I do not understand what is the real problem)
Hi,
so is the sensor the problem or the reflector? Which one you have to wipe clean?
Is it clean, pure water or is there any cleaning agent or dirt in the water?
What causes the problems? is it caused by big water drops spilling around, or is it more like fog?
What length of clear distance do you have between the sensor and the bottles?
Is compressed air available in your system?
Klaus
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