Working principle for pressure transmitters can be found in this document:
Magmeter Basics (EM flowmeters) can be found in this document
Pat Cashwell is the Global Sales Manager for Measurement Products. He has a degree in Chemical Engineering and has been with ABB for 15 years. He started his career at ABB as the US Business owner for both Temperature and Pressure product. This US role was expanded to include both Actuators and Positioners and Recording and Control. Then he became the Global Product and Sales Manager for Pressure and then the Global Sales Manger for Field Instruments. In addition to his current role, he is presently serving on the Board of Director for MCAA.
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