“Temperature units and temperature unit conversion”

A Useful Blog Post From Beamex.com

small temp scale image from Beamex
Beamex Image: click to view larger version. Reproduced with permission

Online — Beamex have also developed a Temperature Unit Converter and have placed it on their web site,

Click the link below to visit it:

The page covers most of the same topics that we do here, but with a slightly different perspective, especially the topic of the the Reamur temperature scale.

The topics covered are:

  • What is temperature?
  • International temperature scales
  • Temperature Units
  • Conversions between temperature units
  • TEMPERATURE UNIT CONVERTER
  • Beamex temperature calibration products

Beamex’s business is calibration.

Since technology continues to rapidly progress, companies need to be more efficient with less resources. At the same time, new regulations put constant pressure on manufacturing operations to maintain a high level of plant safety and product quality. With these in mind, we are here to help our customers to find a better way.

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DOMESTIC SALES

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BEAMEX SUBSIDIARIES

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BEAMEX BRANCH OFFICES

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E-mail: rajesh.panchal[at]beamex.com
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Tel: +971 2 414 6666
E-mail: mark.slater[at]beamex.com
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Tel: +966 54 3213282
E-mail: tariq.jafar[at]beamex.com

Global Temperatures | Global Warming, is it Real?

Recent International News about Global Warming and a few link errors in our original webpage with this same title, prompted a recast of this page in the new format of this website and fix and amplify it.

It seems that only those with the least knowledge of the Climate Change situation seem to be arguing about the basic fact of Global Warming. It is real and to deny it, is, in our opinion, an indication that those who do so, should take the time to learn the real facts, and if necessary the science underlying them.To those who don’t trust science, better get rid of your TV, Internet, smartphone and all that other “stuff” based on real science; they are then, also, not tobe trusted.

Denials don’t change facts:

  • Glaciers are melting worldwide, so is sea ice.
  • The average temperature of the Earth has been increasing for many years,
  • Sea levels have been and continue rising.
  • Carbon Dioxide content in the atmosphere is increasing.

Real Climate BannerCountries meeting at U.N. environmental conference in Montreal Canada on November 20, 2005 adopted the rules for limiting emissions of greenhouse gases under the U.N.’s Kyoto Protocol.

Of course this is connected to the concerns over Global Warming, with Carbon Dioxide emissions from fossil fuel combustion long considered a major source contributing to the problem.

There has been some speculation in the media along with some outright condemnation of the concept of Global Warming. Yet, scientists and other media, mostly quoting science reports, indicate that Global Warming is indeed upon us.

The book The Discovery of Global Warming tells much of the history behind the concern. It would seem that it is about time we got up off our collective rear end and made some changes.

What is the truth? Is there a clear answer to the question about Global Warming’s reality? Is the science reliable?

Are the temperature measurements and trends of ancient temperature measurements to be believed?

What about the questions raised by many politicians and in books by more noted writers, like Michael Crichton in his best seller State of Fear?

Today the answer seems much clearer. It is a real concern.

We need to get our leaders to acknowledge the problem and take some positive steps to work with the rest of the industrial nations to abate it!

There is obviously much more.

First, realize that the Union of Concerned Scientists (UCS) published a detailed rebuttal to Crichton’s comments in his book. Their very interesting website also has a complete story on Global Warming, as one might expect from concerned scientists.

They are detail-oriented, not like most of the critics of global warming, many of whom appear to seek simple answers! No is the answer of those who refuse to face facts.

Then there is RealClimate.org, a website founded and maintained by scientists to tell the story details about Global Warming, Climate Change and its likely consequences. It is a notable effort to help the rest of us understand the real debate – among scientists, not politicians, religious zealots or modern Luddites.

We found their website so compelling that we have added their current newsfeed at the top right of this page.

The American Institute of Physics has a summary page, part of a series of pages on the subject.They are authored by the same scientist and science historian, Dr. Spenser R. Weart who wrote the book on Global Warming described and pictured at the top of this page.The pages brings you up to date from the 2003 book through February 2014, with keylinks to other websites where the details can be found.The amount of evidence is staggering!

For those so inclined to do their own analyses, there are tons of data available from monitoring websites around the world.

One of the favorite data sources is the Hadley Meteorology Centre, a British Government facility, in the UK. Their webpage shows the impacts global annual increase of just a small amount.

They also publish the actual data in tabular format that can be easily imported into almost any spreadsheet like MS Excel, Pages, Lotus 1-2-3, Open Office or Star Office Calc, then plotted and analyzed separately from ones generated by the Hadley folks.

Is the data from which the averages are calculated valid? There’s little doubt mostly because there has been such widespread interest in the subject and it has been the attention of so many capable people.

Are the answer and the calculations simple? In a word, NO!

They are complex and require attention to all sorts of details including all the other influencing factors involved in cyclic and irregular changes in the Earth’s temperature and its distribution.

The recent, popular book, A Matter of Degrees by Prof. Gino Segre at the University of Pennsylvania talks about aspects of Earth’s temperature history and the many astronomical and other physical factors that influence it.

The Union of Concerned Scientists (UCS) and the World Resources Institute jointly operate a website called GLOBAL WARMING: Early Warning Signs at www.climatehotmap.org.

They present a world map marked with tags to indicate “Fingerprints” and “Harbingers” of Global Warming as further education to the fact that Global Warming is not just happening in the future, it has already begun and the evidence is there, if we care to take notice.

Wikipedia, The Open and Free Encyclopedia on the Web has an extensive array of articles and links about Global Warming. As of December 2, 2005, the following statement, with embedded links to sources, appeared in the article:

“The scientific consensus on global warming is that the Earth is warming, and that humanity’s greenhouse gas emissions are making a significant contribution. This consensus is summarized by the findings of the Intergovernmental Panel on Climate Change (IPCC).

In the Third Assessment Report, the IPCC concluded that “most of the warming observed over the last 50 years is attributable to human activities”. This position was recently supported by an international group of science academies from the G8 countries and Brazil, China and India”. <

There are many more websites with wide ranging information about this and related ecological conditions. One of the best that we have found is ClimateArk the Climate Change Portal. It has an RSS news feed that is updated daily and a search engine that searches the entire contents of 2000 reviewed climate websites.

[rssonpage rss=”http://www.ucsusa.org/rss.xml” feeds=”7″ excerpt=”false” target=”_blank|_self”]

IMPROVING HUMIDITY MEASUREMENTS IN METEOROLOGY

A product with a unique advantage

EE33 sensor tube - thermal image
EE33 sensor tube – thermal image

Air humidity and temperature play an important role in meteorology. Highly accurate measurements of these climate parameters form the basis of accurate forecasts and meaningful records.

The E+E Elektronik Model EE33 series humidity and temperature sensor is the only one on the market with a double-heated probe. Both the sensor tube and the sensor element are heated.

An application note, free for download from their website, tells the rest of the story.

You can download it be clicking here.

If that does not work, as sometimes happens when organizations “refine” their websites, we have archived a copy in our database; it may be downloaded here: Humidity_measurement_meteorology

Related technical webpages & download from E+E Elektronik:

E+E Elektronik – the Sensor specialist for humidity sensors, CO2 sensors, moisture in oil, dew point, air velocity, flow and temperature sensors. As a specialist for sensors E+E Elektronik produces humidity sensorsCO2 sensorsflow sensors, transmitters, hand-held meters and  dataloggers for the measurement of relative humiditymoisture in oildewpoint,
air velocityflowCO2 and temperature. E+E also operates a nationally accredited calibration lab and is appointed to maintain the “National Standard for Humidity and Air Flow Speed in Austria”

World HQ

E+E Elektronik Ges.m.b.H.
Langwiesen 7
A-4209 Engerwitzdorf
Austria

Tel: +43 (0)7235 605-0
Fax: +43 (0)7235 605-8
E-mail: info@epluse.com
Website: www.epluse.com

USA

E+E Elektronik Corp.
124 Grove Street
Franklin, MA 02038
United States

Tel: +1 508 530 3068
Fax: +1 508 346 3798
E-mail: gleighton@epluse.com

The Significance of Thermowells

Consider relevant factors and standards

Thermowell Drawing
Thermowell Drawing
Courtesy ISA InTech

Online — In a May/June 2013 article in InTech Magazine Basics of thermowell design and selection”, author Ehren Kiker describes why thermowells are important and how their key parameters can be determined for a particular use situation.

The article begins:

“When planning for a temperature measurement application, a fair amount of consideration is typically given to sensor selection (e.g., thermocouple vs. RTD) and wiring of the output (e.g., transmitter vs. direct wiring), and how these factors will affect the measurement. Often, by comparison, relatively little consideration is given to the mechanical components of the sensor assembly, particularly the thermowell.

“Of all the components in a typical temperature assembly, a thermowell would seem to be the simplest and least critical. In reality, the thermowell is fundamentally important because it directly and significantly affects the life span of the sensor and accuracy of the measurement. It also protects the closed process, providing plant and personnel safety.”

Click here to read the full article now.

ABOUT THE AUTHOR

Ehren Kiker (ehren.kiker@us.endress.com) is a product manager with Endress+Hauser with more than 15 years of experience in process control instrumentation.

Intech MagazineInTech Magazine provides the most thought-provoking and authoritative coverage of automation technologies, applications, and strategies to enhance automation professionals’ on-the-job success.

There is much more online at: https://www.isa.org/standards-and-publications/isa-publications/intech-magazine/.

About ISA

The International Society of Automation (www.isa.org) is a nonprofit professional association that sets the standard for those who apply engineering and technology to improve the management, safety, and cybersecurity of modern automation and control systems used across industry and critical infrastructure.\

Wake Frequency Calculator by TempSens Instrument

Plus two additional Calculators

Wake_Frequency_CalculatorAn online resource calculator for estimating the Wake Frequency of a thermowell in a flowing stream.

According to the website:

“TEMPSENS WAKE FREQUENCY CALCULATOR is easy to use and it also ensures that thermowell is designed within the dimensional limits of PTC19.3, 2010. This calculator establishes the practical design considerations for Thermowell installations in power and process piping, which also incorporates the latest theory in the areas of natural frequency, Strouhal frequency, in-line resonance and stress evaluation.”

The program is “FREE” and can be distributed to other users, this was developed for Tempsens internal use and then we have now a lot of customers requesting for a copy of this program. Please give your inputs for improvement in the program.

Visit: http://www.tempsens.com/softwares.html

The same web page provides a Temperature Calculator to convert the Emf (mV)/Ohms generated by thermocouple & RTD to the temperature or vice versa as well as a SPRT Calculator to provide the ITS-90 coefficients for the set of resistance readings provided on the fixed point cell.

Temperature Sensor Organizations in The Open Directory

About the Open Directory Project

The Open Directory Project (http://www. dmoz.org) is the largest, most comprehensive human-edited directory of the Web. It is constructed and maintained by a vast, global community of volunteer editors. It is also the Web locale where most of the large Internet Search Engines and Directories look for new entries or websites to scan for new information.

About Temperature Sensor Organization Listings on the Open Directory

Temperature sensor suppliers and related organizations are mostly found on two separate pages within the Open Directory,
Listing for Science: Instruments and Supplies: Laboratory Equipment: Temperature Sensors and Thermocouples and Business: Electronics and Electrical: Instrumentation: Temperature. Surprisingly, as of June 2012, there was little duplication of entries on the two listings, yet DMOZ listings are free and multiple listings are encouraged by most Web Marketing specialists.

The first listing is on this page and the second listing is on the second page of this article; see link at the bottom of this page.

Listing for Science: Instruments and Supplies: Laboratory Equipment: Temperature Sensors and Thermocouples (56) as of 19 June 2012 Read more Temperature Sensor Organizations in The Open Directory

SensoScientific : Wireless Temperature Monitoring

Wireless Temperature monitoring

ss_logoSensoScientific (www.sensoscientific.com) offers a practical solution specifically designed to meet strict regulatory compliance requirements for hospitals, life sciences, and other industries where environmental monitoring is critical. Read more SensoScientific : Wireless Temperature Monitoring

FREE 46 Hour HVAC Video Course

A FREE Online Course from NPTEL:  Lectures by Prof.M.Ramgopal,  Department of Mechanical Engineering, IIT Kharagpur, India

Note: The links at NPTEL have changed as have those at YouTube for this and many other courses. They are all apparently still available on YouTube. So, the YouTube links have been added where possible.

If you need to find the links, use the YouTube search engine to put in the course title or lecturer. (It’s a pretty painless way to go since Google owns YouTube)

On YouTube: https://www.youtube.com/watch?v=URazpNDS-u0&index=46&list=PLE2DA184A2E479885


Lectures in this course: 46

Lecture 1 – History of Refrigeration

YouTube – 166,125 views

Read more FREE 46 Hour HVAC Video Course

About ITS9

(Borrowed text from the official website of The Ninth International Temperature Symposium – ITS9.org)
(ED NOTE: The Call for Papers is still open!)

its9-med

Gaithersburg MD, USA — Approximately once every 10 years since 1919, the International Temperature Symposia have provided a forum for the presentation and publication of work related to the measurement and control of temperature, with topics ranging from fundamental research on temperature scales to practical measurement or control solutions in a variety of fields.

The 9th International Temperature Symposium (ITS9), together with a technology exhibition, will be held in March of 2012, in conjunction with the Measurement Science Conference 2012 (www.msc-conf.com). Read more About ITS9