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  • Users: davemcl
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  1. davemcl

    4-20mA Pressure sensor is noisy when the VSD is running or not.

    We have a custom built data logger with 4-20mA inputs that when tested with a current loop calibrator, the input is stable to 2 decimal places with the 3rd decimal fluctuating around +-0.003mA. The input has a 100 ohm resistor from the ADC input to ground. The ADC is a very stable 16 bit with...

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