Measuring Voltage - transformer used to increase voltage

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kdo
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Joined: Mon Jul 17, 2017 8:41 pm

Measuring Voltage - transformer used to increase voltage

Postby kdo » Tue Jul 18, 2017 3:47 pm

From the 12V positive out of the Box, I am using a transformer to increase the voltage supplied to the sensor. It recommends 15-30V vs. 12V. 12V seems to give skewed range.

Can the signal of the sensor be measured against Box ground, or do I need to have the ground from the sensor side of the transformer as an analog channel then compare the 2 voltage inputs in a pre-defined function within the software?

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