Friday, November 13, 2009

A few new resources

There have been quite a few developments in literature for IR and radiation thermometry. Here is a brief list.

This book was released last month.
Zhang, Z.M., Tsai, B.K., and Machin, G., Radiometric Temperature Measurements, Elsevier Academic Press (2009).
Elsevier has a page with a summary of the contents:
http://www.elsevier.com/wps/find/bookdescription.cws_home/720497/description#description

Peter Saunders of MSL in New Zealand has a book availible from SPIE, Radiation Thermometry: Fundamentals and Applications in the Petrochemical Industry.
http://spie.org/x648.html?product_id=741687

MSL also has a new technical guide, "MSL Technical Guide 22, Calibration of Low-Temperature Infrared Thermometers".
http://msl.irl.cri.nz/sites/all/files/training-manuals/TG22-July-2009.pdf

Then there is a standard from BIPM WG5 on uncertainty budgets for radiation thermometer calibration, "CCT-WG5 on Radiation Thermometry, Uncertainty Budgets for Calibration of Radiation Thermometers below the Silver Point"
http://www.bipm.org/wg/CCT/CCT-WG5/Allowed/Miscellaneous/Low_T_Uncertainty_Paper_Version_1.71.pdf

ASTM Meeting in Atlanta

We held our meeting on Monday in Atlanta. Here is an update on progress from the E20.02 subcommittee on Radiation Thermometry.

WK21204 - Standard Guide for the Selection and Use of Wideband, Low-temperature Infrared Thermometers

This work item was completed and put up for ballot in September. There was one negative. The reason for the negative will be corrected. Then the work item will be balloted to the subcommittee prior to December 15. This way we will be ready to ballot to the main committee in time for our meeting in May.

E 1256 – 95: Standard Test Method for Radiation Thermometers (Single Waveband Type)

The figures have been updated in this standard. They will be put to ballot shortly.

A second item that will be taken care of is standardizing terminology in this standard with the terminology in IEC standards. Work on this will begin mid-February.

Proposed Work Item - Calibration of Wide-band, Low Temperature Infrared Thermometers

This work item will be submitted at the beginning of January. It will use parts of a BIPM standard and part of a technical guide for the uncertainty portion of this standard.

Monday, November 2, 2009

WK21204 Back from Ballot

WK21204 went through subcommittee ballot this past month. Results were 6 affirmative, 1 negative and 6 abstention. After talking to the one negative voter, it was agreed that the negative will be withdrawn if the suggested changes are made.

There was one abstention with comment that will be discussed at length at the November subcommittee meeting in Atlanta. The rest of the comments will be part of the discussion as well.

Wednesday, September 16, 2009

Updating E1256

I would like to have input on E20.02’s current standard, E1256 Standard Test Methods for Radiation Thermometers. I would like to have some feedback to the following questions.
Do you use E1256?
What parts of E1256 do you use?
What should be added to E1256?
What should be taken away from E1256?
What should be changed in E1256?Please provide feedback before October 15, 2009. We should strive to keep this standard up-to-date and usable for users of radiation thermometers.

WK21204 Goes to Subcommittee Ballot

The proposed guide, WK21204 - Standard Guide for the Selection and Use of Wide-band, Low-temperature Infrared Thermometers, has been sent out for subcommittee ballot. I would like to thank all who have helped to get this work item to this point. If you are a voting member, please cast your vote before October 15, 2009.

Tuesday, August 25, 2009

E20.02 Progress through 8/25/09

WK21204 - Standard Guide for the Selection and Use of Wide-band, Low Temperature Infrared Thermometers

A draft has been sent out to six committee members for review. Feedback is due by 9/3/09. At that point it will be decided if the item is ready for ballot.

Friday, June 26, 2009

E20.02 Progress through 6/26/09

WK21204 - Standard Guide for the Selection and Use of Wide-band, Low Temperature Infrared Thermometers

To this date 90% of the work item has been put into the ASTM standards template. It should be ready for its first review by the task group around 7/2.

Thursday, May 21, 2009

E20.02 Progress through 5/21

We held our E20.02 meeting in Vancouver this past Monday. I lead the meeting via Web-Ex from American Fork, Utah. It went rather well. Here is an update on our subcommittee's progress.

WK21204 - Standard Guide for the Selection and Use of Wide-band, Low Temperature Infrared Thermometers

The rough draft for this guide is complete. The following steps will take place between now and the next subcommittee meeting in November.
  • The current text will be put into ‘standards form’ (June 09)
  • Technical review (July 09)
  • Editorial review (July 09)
  • Send out for ballot (September 09)

The date of September 09 to send out for ballot is a stretch goal. It will only take place if a significant amount of editing does not need to take place after the reviews.

Calibration of Wide-band, Low Temperature Infrared Thermometers

This will be a work item that we will start on in November.

E 1256 – 95: Standard Test Method for Radiation Thermometers (Single Waveband Type)

This standard does not come up to be reapproved until 2012. However, we need to review it to see if we can make some changes. I will be discussing this with Ray Peacock in the future.

Collaboration Areas

ASTM has started collaboration areas for current work items. I have started one for WK21204. If you are interested in collaborating in the development of this standard, please contact me.

Next Meeting

The next meeting will be on Monday Nov. 9th, 2009 or Tuesday Nov. 10th, 2009 in Atlanta, Georgia.

Friday, March 27, 2009

WK21204 - Keywords

A proposed list of keywords for "Standard Guide for the Selection and Use of Wide-band, Low Temperature Infrared Thermometers"
  • atmospheric attenuation
  • background radiation
  • blackbody
  • determination of emissivity
  • emissivity
  • field of view
  • infrared
  • infrared thermometer
  • IR thermometer
  • low temperature
  • non-contact thermometer
  • size of source
  • spot size
  • temperature measurement
  • thermometry usage
  • wideband

E20.02 Progress through 3/27/09

WK21204 - Standard Guide for the Selection and Use of Wide-band, Low Temperature Infrared Thermometers

A rough draft is 80% complete. Thanks to Don H and Terry C for their help with Section 11.

There are portions of a few standards from the E07 Committee that are applicable for this work.

The plan is to use much of the wording in these standards for the following sections.

  • 6.1. Methods of Determining Emissivity
  • 7.1. Testing for Background Radiation
  • 11.1. Thin Films

The appendices must be completed before the rough draft is completed. The proposed appendices are:

  • Appendix 1. Graphical Summary of Equations for IR Thermometry
  • Appendix 2. Effect of Emissivity Uncertainty

Also, if anybody has some more information on atmospheric effects on the 8 – 14 μm band, please let me know. Jerry Fraser of NIST has provided me with some info.

Meeting in Vancouver

Due to the economy, I will have to lead this meeting remotely. The meeting will be on May 18 from 12:45 PM to 1:45 PM PDT (that’s 3:45 PM to 4:45 PM EDT). This meeting will take place via Web-Ex.

Tuesday, March 24, 2009

ASTM News Release

http://www.astmnewsroom.org/default.aspx?pageid=1690

This will also appear in ASTM’s “Standardization News” in May.

Friday, February 27, 2009

E20.02 Progress through 2/27/09

WK21204 - Standard Guide for the Selection and Use of Wide-band, Low Temperature Infrared Thermometers

A rough draft is 60% complete. Once completed, this will need to be put into an ASTM writing style. The following sections still need to be written.
Referenced Documents
Terminology
Physical Considerations
Special Applications of IR Thermometry
-Measureing Metal Surfaces
-Atmospheric Attenuation
Keywords
Appendix 1. Graphical Summary of Equations for IR Thermometry
Appendix 2. Effect of Emissivity Uncertainty

We could still use a few ideas for Section 11. The outline for the guide currently looks like this.

1. Scope
2. Referenced Documents
3. Terminology
4. Basic Use of IR Thermometry
4.1. Basic IR Measurement
4.2. Locating a Hot or Cold Spot
5. Wideband Instruments
6. Emissivity
6.1. Methods of Determining Emissivity
6.1.a. Emissivity Tables
6.1.b. FTIR testing
6.1.c. Comparison method
6.1.d. Contact v Non-contact method
6.1.e. Blackbody method
6.2. Compensating for Emissivity
7. Background Radiation
8. Low Temperature Measurements
9. Optical Considerations
10. Physical Considerations
11. Special Applications of IR Thermometry
11.1. Measureing Metal Surfaces
11.2. Atmospheric Attenuation.
12. Keywords
Appendix 1. Graphical Summary of Equations for IR Thermometry
Appendix 2. Effect of Emissivity Uncertainty

Monday, January 26, 2009

Help Needed on Writing Sections

If you have any expertise on any of these topics, please let me know. I am looking for people willing to write anywhere from 250 to 500 workds on each of these topics. I am not looking for final copy quality but for rough draft quality.

Basic Use of IR Thermometry
Wideband Instruments
Emissive Considerations
Background Considerations
Low Temperature Measurements
Optical Considerations
Physical Considerations
Special Applications of IR Thermometry

Frank

Monday, January 19, 2009

Outline WK21204

Outline
WK21204 - Standard Guide for the Selection and Use of Wide-band, Low Temperature Infrared Thermometers
January 19, 2009


1. Scope
2. Terminology
3. Significance and Use
4. Basic Use of IR Thermometry
5. Wideband Instruments
6. Emissive Considerations
7. Background Considerations
8. Low Temperature Measurements
9. Optical Considerations
10. Physical Considerations
11. Special Applications of IR Thermometry
12. Keywords

Appendix 1. Graphical Summary of Equations for IR Thermometry
Appendix 2. Effect of Emissivity Uncertainty

Welcome to the E20.02 Blog

I would like to take this opportunity to welcome everybody to the ASTM Subcommittee E20.02 on Radiation Thermometry blog. I hope this medium can be use as an effective tool to communicate the activity of our subcommittee.

At our last meeting in November at St. Louis, a course of action was decided for our proposed standard, "Standard Guide for the Selection and Use of Wide-band, Low Temperature Infrared Thermometers". As progress in this work continues, this progress will be updated here.

I would like to thank Terry Halfacre for volunteering for the job of secretary for our subcommittee. Her help in this effort is much appreciated.

I would also like to thank former subcommittee chairman Ray Peacock for all the work he has done in Radiation Thermometry. His continued input will still be very valuable to us as this work goes forth.

Our next meeting will be in Vancouver, BC in May. To those who can attend, I will look forward to seeing you there. To those who cannot attend, there will be an opportunity for you to take part in this meeting via Webex.

Frank