Category: Sensing

Live Sensors Webcast for Control Engineering

Hey, this Frank Lamb from Automation Primer. I will be doing a webcast for Control Engineering magazine on Tuesday, August 22, 2017 at 2 p.m. EST (1 p.m. CST, 11 a.m. PST, I can’t tell you MST because it’s a

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Sensors 102: Signal Conditioning

Today’s post is about what goes on between an actual detection device and the input of a control system. In many control applications you don’t need to think about what goes on inside of a device. The signal is converted

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Sensors 101 – Control System Inputs

In today’s post I’m going to ask you to think of sensors in a different way. Most engineers who are specifying equipment think of sensors as discrete or analog devices, proxes or photoelectrics, flow or pressure sensors, thermocouples and the

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Sensor Resources

When I got up this morning, I had fully intended to write a post on sensors and sensing techniques. I was even going to title it “Sensors 101”, similar to the series that I started on PLCs several years ago.

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Magnetostrictive Sensors

Several of my topics in the past have dealt with gauging and measurement. Most of the systems I have worked on in the past used LVDTs, encoders, optical sensors or machine vision when it came to accurately measuring the physical

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Encoders and Resolvers

Here is another recently rewritten article, if anyone has any suggestions please let me know. An Encoder is a type of transducer that senses position or orientation, usually for use as a reference or active feedback to control position. Encoders

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Thermocouples and Temperature Sensing

In many applications it is necessary to sense and control temperature accurately. Processing of many products and materials can often involve the use of ovens, adhesive or plastics melting, curing, annealing or other heat treatments. Refrigeration or cryogenic applications also

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Hall Effect Sensors vs. Proxes

While doing some of the minor website maintenance tasks that you sometimes have to do when blogging, I came across a site called Alexa. I always wondered about search engine optimization (SEO) and how it works… this gave me a

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Choosing the Right Sensor

With all of the different types of sensors available and so many manufacturers and vendors competing for your business sometimes it can be difficult or confusing to choose the correct sensor for an application. In many cases such as detecting

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