Articles OnlineApplications of temperature sensors, new sensor technology, measurement details and related articles online, free and accessible by the public.
AN INTRODUCTION TO SANITARY SENSORS
According to this Omega Engineering downloadable pdf file: (QUOTE)The 3-A sanitary standards specify the required properties of a sensor surface in contact with the product. Contamination can occur from the process material clinging to the surface of the
Article on Selection & Uses of right temperature sensors
Comparisons of the applications features between thermocouples and RTDs
Basic Temperature Measurement Using NTC Thermistors
Basic Temperature Measurement Using NTC Thermistors is an applications story from the Quality Thermistor company website in PDF format.
Common Temperature Label Questions
An Omega Engineering collection of Frequently Asked Questions about Temperature Labels. It's a pretty good primer on the subject in our editor's opinion!
Contact Sensor Types
Contact temperature sensors measure their own temperature. One infers the temperature of the object to which the sensor is in contact by assuming or knowing that the two are in thermal equilibrium, that is, there is no heat flow between them.<p> An inform
Formulas for converting among four different temperature scales: Fahrenheit,Celsius, Rankine and Kelvin, as well as many other basic measurement units.
Not a book, but an entire website discussing the many aspects of digtal electronic thermometers as used in measuring human and especially young humans (children) body temperature.
EGT Applications Thermocouple FAQ Page
Describes frequently asked questions of real users of EGT thermocouples from actual applications.
Factory (Probe) Bend Chart
Very useful images of thermocouple or RTD probe configurations showing typical bend dimensions suggested for use when ordering a temperature sensor probe, courtesy of Thermal Corporation, 1264 Slaughter Road, Madison Alabama 35758 -- Toll Free: 800.633.29
Improving the accuracy of temperature measurements
Improving the accuracy of temperature measurements<p>
The article first appeared in Sensor Review, The international journal of sensing for industry. Volume 21, No. 3 2001.</p><p>
Author: Alan Tong, Technical Director of Pico Technology Ltd</p> <p>
Installation of a cryogenic temperature sensor
The proper installation of a cryogenic temperature sensor: a 13 page pdf installation guide, with illustrations from Lake Shore Cryotronics helps those using cryogenics and most other contact sensors.<p> Most temperature measurements are made on the assum
Intro to Temperature Measurement
Omega Enginnering's Introduction to Temperature Measurement is really very basic,talks a little about the measurement aspect but spends more time with other topics, unfortunately.<p>
It includes some very brief descriptions of six different types of t
ITS-90, The International Temperature Scale of 1990
The ITS-90 is realized, maintained and disseminated by NIST to provide a standard scale of temperature for use in science and industry in the United States. This scale was adopted by the International Committee of Weights and Measures (CIPM) at its meeti
Leading Cause of Error in Temperature Measurement
A downloadable, 2 page PDF Format Note (No. 92-2) from Nanmac Corporation, with figures, explaining details about Stem loss errors in contact temperature sensors and how some of their products reduce such errors.<p>
Tel: +1 1-508-872-4811 (800-786-4669
Low Ambient Control Methods - Part 22
In the last article we looked at low ambient control for air and water-cooled systems. We now continue our study of the various means of providing low ambient control for single and multiple fan condensers on air-cooled systems.
Measurement Principles and Sensors for Temperature Measurement
A brief but very nicely prepared technical description of various types of temperature sensors and how they work. On the LUFFT GmbH website from Germany.
Methods of Temperature measurement
Basic of temperature measurement and different methods of measuring temperature
Minco's White Papers
Minco engineers published the following White Papers that address issues ranging from estimating heater wattage to configuring thermal demands. <p>
(Enable pop-ups in your browser in order to view white papers- they require Adobe Acrobat Reader for vie
Patent Infringement Analysis
IEC & Associates can assist your organization in pre-suit technical patent infringement analysis, reverse engineering and product teardown descriptions. In addition, we can provide responsive prior art analysis during the pre-trial and negotiation phases
PSoC FirstTouch: A temperature sensor built with Cypress PSoC FirstTouch kit.
From the hobbies article on the Popular Science website:<br />(QUOTE)..FirstTouch comes preloaded with four designs that you can modify for your own applications: proximity sensor, capacitance sensing, light sensor, and temperature sensor. As a demonstrat
Reverse Engineering - Electrical & Electronic
IEC & Associates can assist your organization in all facets of the electronic product reverse engineering process to provide a
one-stop resource tailored to reduce the cost, time and complexity of the analysis
Review of temperature measurement
Review of temperature measurement<br />
P. R. N. Childs,a) J. R. Greenwood, and C. A. Long<br />
Thermo-Fluid Mechanics Research Centre, University of Sussex, Brighton, United Kingdom
RTD & Thermocouple Charts
From the WIKA Instruments website in Canada, a pdf download of the their full section of RTD and Thermocouple Calibration Tables (approximately 480 KB). The download covers the following calibrations:<p>Resistance Temperature Tables 385 Platinum, Nickel I
Selecting a Thermometer
When selecting a thermometer, it is important to consider the dial or case size, stem or capillary length, and the connection type and temperature range. To ensure safety and accuracy, consider the recommendations from Winters Instruments on the web page
Sensor Placement In A Thermal System
At the Watlow Web site (www.watlow.com) there are several useful tools and reference articles on temperature sensors. This one is especially significant in the area of temperature sensor placement in a closed loop temperature control system> To quote from
Shut the Door: Door Alarms
The DAC-55 Door Monitor is a patented and functionally integrated device for monitoring doors on walk-in coolers and freezers. Benefits provided include energy savings, automation of certain functions which are normally done manually, training of personn
Silicon Spreading Resistance Temperature Sensor (PDF 146KB)
The KTY temperature sensor developed by Infineon Technologies is based on the principle of the Spreading Resistance. The expression -Spreading Resistance- derives from a method, called the -one-point-method- used to measure the specific resistivity of sem
TEMP SENSOR FAQS
Labfacility Ltd has a neat set of Temperature Sensor FAQs online. They provide general guidance only and is not definitive - not intended to be the basis for product installation or decision making. It is, however, quite informative and extensive, coverin
Temperature and Absolute Zero
From the Physics 2000 website at The University of Colorado. Making "physics more accessible to students and people of all ages and to counter its current negative image.<p>
"* by developing an innovative Internet Website, aimed at all ages, emphas
Temperature Equivalent Chart for Orton Pyrometric Cones (°F)
One of many Helpful Resources at the Orton Ceramics Foundation website, a central location for a variety of reference and support information in firing and heating ceramic materials, as well as a repository for downloadable files.
The Labfacility Temperature Handbook is an augmented, updated, comprehensive text for users of thermocouples, PRTs and thermistors and associated instrumentation. Detailed enough for engineers it is also suitable for technicians and students. Written with
Temperature measurement, control key to plant performance
Temperature measurement, control key to plant performance<br />
By Gregory K. McMillan<br />An article in the InTech Magazine Online, a publication of the ISA.
It begins, (QUOTE)<br />Good temperature control is important during the research, reaction,
Browse through the Signal Conditioning Resources at National Instruments' website to find example code, technical presentations, and tutorial information for completing your development projects.
Temperature Measurements Topics include: General, Isolate
Temperature Scales (pdf)
"Absolute or Thermodynamic Scale, The ITS-90, The 1990 value of the Ohm" from the ITS-90.com website Fundamentals of Thermometery papers by Henry Sostmann and other-pdf-(659K)
Temperature Sensor Handbook (pdf 298KB)
This 40 page handbook from National Semiconductors provides an introduction to temperature sensing, with a focus on silicon-based sensors.<p>
Included are several example application circuits, reprints of magazine articles on temperature sensing, and a s
Temperature Sensors: Contact or Noncontact
"The great dividing line in temperature sensing is this: Can you touch the object or the process fluid of interest or not? Now that you've answered that question as it pertains to your own application, you can move on and evaluate the various devices comp
Tempsens Instruments (I) Pvt. Ltd.
Tempsens Instruments (I) Pvt. Ltd. produces high temperature sensing instruments. like: Thermocouples, RTDs, Thermowells, Calibration Equipments, Thermocouple cables and wires, pyrometers, Industrial Heaters
The Applet of Thermometer
The Applet of Thermometer is a unique, interactive Java Applet that teachs the concept of minus quantities using a differential thermometer image.
It asks the visitor to compare the thermometer readings in degrees between two days. It shows the concepts
The History of Thermometry
This brief article on the history of temperature measurement at the Industrial Research Limited website in New Zealand begins..(quote)The history of thermometry starts around 1600 AD in Italy ...(unquote).<p>Industrial Research Limited is a Crown Research
The principle of Tango Technology and the Unistats
The traditional form of thermostats is an open bath. About 15 years ago Peter Huber's had a better idea. Development in partnership with close contacts in the pharmaceutical industry led to the technology becoming commercially available in the Unistat ran
The LumaSense, Inc. website has an interesting section on the topic of Thermal Comfort for humans. Oddly, it starts with the page on a datalogger and sensors. <p>Only a few clicks away are a list of the ISO Standards (http://www.lumasenseinc.com/EN/produc
Understanding Contact Temperature Sensors
An article from Sensors Magazine by Irwin Bluestein of RdF Corp.<p>ABSTRACT<p>(quote)An awareness of the principles involved in contact thermometry, knowledge of the various practical technologies available, and an understanding of their current relative