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Basics of Temperature Measurement
About
Temperature
This is an excellent article giving the basics about
temperature- Thanks to the University Corporation for Atmospheric Research.
9.09 Challenges
of Temperature Sensing
- Measuring each of the "big four" process
variables has its specific peculiarities, but temperature seems particularly
controversial. In fact, this apparently simple task often gets complicated. This
tutorial explains why- from Control Engineering Magazine and Moore
Industries-Pacific, Inc.
Trends in Process Temperature Measurement -An Evolving Technology Segment Changes Focus to Meet End-User Needs - Mike Cushing - This article also covers the basics about resistance thermometers, thermocouples and the use of temperature transmitters - from www.flowcontrolnetwork.com
Temperature Conversion
Tool
A
useful degree C/F/Kelvin conversion tool - from Raytek
The Majority of the following links are compliments of http://www.temperatures.com , this website is excellent and provides comprehensive technical information on all temperature related instrumentation. ICEweb congratulates temperatures.com on the development of such a great resource.
Bi-Metallic Thermometer
The principle behind a bimetallic strip thermometer
relies on the fact that different metals expand at different rates as they warm
up.
Bimetallic
Thermometers and Thermostats
Emissivity
Emissivity
Mercury in Steel
Mercury
in Steel Basic principals from the Glossary of
Meteorology/
Standards
Standards
Selecting a Temperature Sensor
Selecting a
Temperature Sensor
How
To Select And Use The Right Temperature Sensor - Ron
Desmarais - This paper answers the question "How do I determine
which sensor to use in my application?” After a brief review of how RTD’s
and thermocouples are constructed and used to measure temperature, it discusses
what differentiates these sensors from one another. It covers the topics of
temperature range, tolerance, accuracy, interchangeability and relative
strengths and weaknesses for each type. After reviewing these topics you will
have a better understanding as to when each type of sensor should be used and
why. From Pyromation, Inc.
Selecting a Temperature Transmitter
Choosing
a Temperature Transmitter
-From Moore Industries International -Thanks to Process
Heating Magazine
Temperature Sensor Types
Sensor Types
Temperature Sensor Uses, Measurements or Applications
Temperature Sensor
Uses, Measurements or Applications
Resistance Thermometers
Resistance
Thermometers
Resistance
Tables - Thanks to Emerson Process Management
Resistance Tables - From Minco
All
you want to know about Resistance Thermometers - A 53
page document from Eurotherm
Standard
Platinum Resistance Thermometers - Frequently Asked Questions - From
ISOTECH
Radiation/IR Thermometers/Pyrometers (Non
Contact Temperature Measurement)
Questions
and Answers on Infrared Thermometers - A useful technical
information sheet from our sponsor Zedflo
Australia
Radiation/IR Thermometers/Pyrometers
Infrared
Thermometers - from Omega.com
Principles of Non-Contact Temperature Measurement
- This manual focuses on the practical operations of non contact
temperature measurement devices and IR thermometry, and answers important
questions that may arise - from Raytek
Emissivity
- This is the measure of an object's ability to emit infrared
energy. Emitted energy indicates the temperature of the object. Emissivity
can have a value from 0 (shiny mirror) to 1.0 (blackbody), this technical
article provides further information on this including emissivity tables for
metals and non metals - from Raytek
Thermocouples
Thermocouple
Millivolt Tables - Thanks to Emerson Process Management
Thermocouple -
A good introduction from Wikipedia, the free encyclopedia
Thermocouples
All
you want to know about Thermocouples - A 53 page document
from Eurotherm
Thermocouple
Tables
Thermocouple
Theory and Practice -
W. Dhavepatana Co., Ltd, a neat site this one.
Thermocouple
Compensating Cables- See Pages 7 to 9 of this comprehensive document from
Eurotherm
Thermocouple
Extension Cable Tables - Data and colours from Raychem Thermocouple
Wire- Some of the questions answered by Omega
Traps
and Colour Confusion in Thermocouple Wiring - A
useful reference from Arthur Holland and Eurotherm
Thermocouples
- Greg Passler answers the following
questions: What is a thermocouple and how does it work?
Why do we use thermocouples? What
is thermocouple extension cable? From Shawflex
Taking
Thermocouple Temperature Measurements- From NI
Instruments
The
Care and Feeding of Thermocouples
- Richard D.
Smith, P.E - This is a absolutely superb paper.
Thermistors
Thermistors
Thermometers
Liquid in Glass
Thermometers
Thermal Imagery
Thermal
Imagery
Thermowells
What
is a thermowell? From-Trerice
About
Thermowells -A super page from Temperatures.com
covering most aspects including the one most forgotten related to velocity constraints.
Thermowell
Wakes, Vortices, Vibrations & More- Another top rate
page from Temperatures.com covering most aspects
Introduction
to Thermowells - From Newport
Thermowell
Materials Selection Guide - From Azom.com
Temperature Scales and Conversions
Temperature
Scales and Conversions
Calculate
temperature and millivolt tables for Thermocouples based on NIST Monograph 175
- From MINCO
Calculate
temperature and resistance tables for Minco's RTD Elements -
From MINCO
Temperature Regulators
12.08
Temperature
Regulators - The characteristic feature of self-operated
temperature regulators is their compact design, including a sensor, a valve and
a capillary tube. Their simple operating principle is based on fundamental
mechanical, physical and thermodynamic laws. Thanks to our
valued sponsor Samson
Controls.
Temperature Sensor Calibration Resources
Temperature Sensor
Calibration Resources