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| While calibrating an electronic 4 - 20 mA or 3 - 15 PSI pneumatic controller, what is the value of 'Live Zero'? |
| A) '0' for input span and another value for output range. |
| B) 4 mA or 3 PSI for process output range. |
| C) '0' for span and range. |
| D) 4 mA or 3 PSI. |
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