Usage of M18 Capacitive Proximity Sensor

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Usage of M18 Capacitive Proximity Sensor

Postby kevinraphael » Mon Oct 13, 2014 6:32 pm

Hi all,

I would like to enquire about the sensor stated above. Based on my understanding, it can detect the presense of non metallic materials. But since each non metallic materials has its own dielectric constant, can this sensor shows the variation in dielectric strength? Or it can only just detect the presence of non metallic material?
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Re: Usage of M18 Capacitive Proximity Sensor

Postby ober » Mon Oct 13, 2014 10:27 pm

From the datasheet, it is either NPN or PNP output. And from the description in product page, it stated NPN output, so it is digital output. It will not differentiate type of object. It will only show there is object or no.
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Re: Usage of M18 Capacitive Proximity Sensor

Postby kevinraphael » Tue Oct 14, 2014 12:00 am

Hi Ober,

Thanks for the clarification. Much appreciated =)
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