This is a book about automated instrumentation, and the automated control systems
used with automated instrumentation. We will look at how to use the Python pro-
gramming language to quickly and easily implement automated instrumentation and
control systems.
Automated instrumentation can be found in a wide variety of settings, ranging from
research laboratories to industrial plants. As soon as people realized that collecting data
over time was a useful endeavor, they also realized that they needed some way to capture
and record the data. Of course, one could sit with a clock and a pad of paper, staring
at thermometers, dials, and gauges, and write down numbers or other information
every few minutes or so, but that gets tedious rather quickly. It’s much easier—and
more reliable—if the process can be automated. Fortunately, technology has advanced
significantly since the days of handwritten logbooks and clockwork-driven strip chart
recorders.
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