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Sensor Basics
Sensors are everywhere in our electrical world! Sensors, Transmitters, and Transducers gets you started with a colourful look at these three components, and how they work together as part of a control loop. Transmitter calibration and Live Zero are covered with interactive examples. Sensor Wiring walks through some of the essentials of wiring a passive or active sensor into a circuit. Normalizing gets you started with the basic calculations you'll need to calibrate control loops.
Ready to move on? You should be able to:
Define sensors, transducers, and transmitters.
Discuss the relative strengths and weaknesses of each.
Explain the purpose of using a live zero scale when transmitting sensor information.
Walk through a simple transmitter zero and span calibration.
Construct a standard instrumentation current loop.
Explain the meaning of the terms sourcing and sinking.
Differentiate between active and passive sensors.
Analyze the wiring method required by various sensors.
Explain what normalizing is and why it's done.
Complete sample normalizing problems using the normalizing equation.