Technology Tutorials

In-depth technical articles and tutorials on sensors, their theory of operation, and how to use them effectively.


Article
Thermistors As Accurate Temperature Sensors Part 2: Application and Results   May 1, 2013

In Part 2 of this two-part article we apply our method to a real-world application and show how, by combining estimation methods with thermistor characterization data, we can achieve high accuracy measurements over a wide temperature range using the simple voltage divider circuit we described in...More>>

Article
Thermistors As Accurate Temperature Sensors Part 1: Introduction and Methods   April 1, 2013

This two-part article describes how to use a simple voltage divider circuit with a thermistor to achieve high-accuracy temperature readings over broad measurement ranges. Part one discusses the circuit and various temperature estimation methods.More>>

Article
Understanding Linear Position Sensing Technologies   July 1, 2012

A variety of linear position sensing technologies is currently available. When choosing the right one for a specific application it is important to understand the differences in performance among them.More>>

Article
The Proper Use of Guided-Wave Radar in Steam Loops   May 1, 2012

This article discusses the use of guided-wave radar (GWR), also known as time-domain reflectometry (TDR), in your steam loop, including the way that this technology functions and how it differs from more traditional forms of level indication.More>>

Article
System Solutions for Industrial Sensors/Field Transmitters   December 1, 2011

In this article, we review some of the latest trends and system considerations involved when designing sensors and transmitters for industrial automation applications.More>>

Article
IEEE 802.15.4: The Number Sensor Solution Developers Keep on Speed Dial   November 1, 2011

When it comes to industrial wireless, many developers prefer IEEE 802.15.4 —especially when they’re looking for a reliable, low-cost, and low-power-consumption wireless technology option.More>>

Article
Specmanship vs. Reality   October 1, 2011

If you want to either specify a sensor or acquire meaningful data from a sensor, you first need to understand terms such as total error band, accuracy, and precision. More>>

Article
Optimizing the Calibration of Sensor Interfaces with Built-in Correction Algorithms   July 1, 2011

Sensor signal conditioners with built-in correction algorithms can greatly aid sensor system designers as long as they understand which algorithm to use and when.More>>

Article
Thickness Measurements Using Laser Triangulation   April 1, 2010

Understand how best to use laser displacement sensors to measure the thickness of products at high speeds and from long standoff distances.More>>

Article
Compensating for Tilt, Hard-Iron, and Soft-Iron Effects   December 1, 2009

When implementing a compass system, it's important to understand the types of errors that can affect the accuracy of the heading readings. This article discusses those errors and explains methods to correct for them.More>>











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