what does the U: mean on this sensor.
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The ‘U’ that you see on the sensor refers to the Voltage output setting for the Output 2 channel.
I believe that it should say “V”, but the digital display on this particulat sensor is limited in what it’s able to display as it’s an 8 segment LED, so it’s only capable of the “U”.
So in short, when OU2 is set to “U”, it means that the sensor it going to output a voltage signal on that pin.
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