Capacitive Proximity Sensors
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I have read online that capacitive sensors can detect both metal and non-metal. Can anyone please explain me their working in simple terms? I read on various places online but information I found was too technical or less.
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@davidward basically the sensor detects a change in the wave shape in front of it…
the wave shape is not magnetic, but different… (I can’t explain that part)
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@sdetweil said in Capacitive Proximity Sensors:
@davidward basically the sensor detects a change in the wave shape in front of it…
the wave shape is not magnetic, but different… (I can’t explain that part)
So they emit any kind of waves?
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@davidward no, its the disruptive wave of their presence as compared the space without them… logically same as the magnetic wave detection…
wasn’t there before, now it is
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@davidward said in Capacitive Proximity Sensors:
I have read online that capacitive sensors can detect both metal and non-metal. Can anyone please explain me their working in simple terms? I read on various places online but information I found was too technical or less.
Capacitive sensors use conduction plates that work like an open capacitor. Where you were reading online?
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@timwinthrow said in Capacitive Proximity Sensors:
Capacitive sensors use conduction plates that work like an open capacitor.
but those words don’t MEAN anything to me… not an electrical engineer
we were trying to find a laymans description
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@sdetweil said in Capacitive Proximity Sensors:
@davidward no, its the disruptive wave of their presence as compared the space without them… logically same as the magnetic wave detection…
wasn’t there before, now it is
I got it. I was reading here https://www.derf.com/an-overview-on-proximity-sensors/ and question pop ups. Dust can be a bigger challenge to maintain sensors. How they can be protected? Does companies use any specific coating or something?
