Week #12: (4/8-12) 4-20 Current Loops, Ch. 8 Analytical Instrumentation

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rjagodowski
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Week #12: (4/8-12) 4-20 Current Loops, Ch. 8 Analytical Instrumentation

Post by rjagodowski »

During the presentation of the Level Control discussion last week, there was a reference to a 4-20mA Current Loop (analog) sensor made. Today, we will spend some time discussing how these devices operate and why they have some advantages over analog voltage sensors. We'll use the following links:

Back to Basics: 4-20mA Current Loops.

How to Make 4-20mA Current Loop Measurements.

How to Measure a 4-20mA Signal from Fluke Instruments.

We will then begin discussing Chapter 8 on Analytical Instrumentation with an emphasis on pH Measurement. Handouts may be downloaded here for Chapter 8.
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