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Give me a standpoint and I will move the earth. ...Archimedes (287-212BC)
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Author Topic: Vernier  (Read 524692 times)
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Fu-Kwun Hwang
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on: January 29, 2004, 11:20:57 pm » posted from:,,Satellite Provider

Registed user can get files related to this applet for offline access.
Problem viewing java?Add http://www.phy.ntnu.edu.tw/ to exception site list
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There is a new advanced version: vernier cliper (inch/mm mode, dial mode, measure inner/outer diameter and depth) 2010 Jan. 17 updated.



    This java applet shows you how to read the vernier scale on Vernier calipers.
    To observe how the scales are read, click in the "checkbox" by SHOW and drag the lower scale left or right to observe how the measurement is determined.
    Notice that the value for the upper scale is determined by where the 0 on the lower scale lines up with the upper scale and the number on the lower scale is determined by finding which mark on the lower scale best lines up with ANY mark on the upper scale.
    To test your ability to read a measurement, leave SHOW unchecked and then drag the lower scale left or right.

    The applet will wait for you to enter a value into the TextField and will then tell you whether your answer is correct.(After you type in an answer, press Enter.)
    Thanks goes to Mary Ball for rewording the instructions.



    This is another applet to help you understand how it works.
    You can drag the lower box or use the slider to see the gap between those boxes at different level.
    It is the gap which give us higher precission!
    -*-

    Embed a running copy of this simulation

    Embed a running copy link(show simulation in a popuped window)
    Full screen applet or Problem viewing java?Add http://www.phy.ntnu.edu.tw/ to exception site list
    Press the Alt key and the left mouse button to drag the applet off the browser and onto the desktop. This work is licensed under a Creative Commons Attribution 2.5 Taiwan License
    • Please feel free to post your ideas about how to use the simulation for better teaching and learning.
    • Post questions to be asked to help students to think, to explore.
    • Upload worksheets as attached files to share with more users.
    Let's work together. We can help more users understand physics conceptually and enjoy the fun of learning physics!


    There is a similar applet : Vernier Calipers

Check out EJS version of similar applet: Vernier Caliper and Micrometer with zero error options
or Another Cliper


http://www.youtube.com/watch?v=Vz40xmrdhyY


Registed user can get files related to this applet for offline access.
Problem viewing java?Add http://www.phy.ntnu.edu.tw/ to exception site list
If java program did not show up, please download and install latest Java RUN TIME
There are 34 translations,
Higher number at the end means more translation been done.
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Reply #1 on: January 30, 2004, 11:11:55 am » posted from:,,Satellite Provider

Subject: learning from you
Date: Mon, 24 Aug 1998 20:47:51 +0800
From: Edmund J A Ang <edmunda@moe.edu.sg>
To: hwang@phy03.phy.ntnu.edu.tw
I would like to learn from you. How did you write the animated
programmes e.g. vernier calipers. Very interesting.
regards
teacher Edmund ang
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Reply #2 on: January 30, 2004, 11:32:52 am » posted from:,,Satellite Provider

Subject:
Date: Tue, 16 Feb 1999 16:27:13 -0000
From: Brad Busch <blbusch@class1.com>
To: "'hwang@phy03.phy.ntnu.edu.tw'" <hwang@phy03.phy.ntnu.edu.tw>
Your caliper java applet is cool -

Brad Busch
VP Engineering, Class1 Inc.
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Reply #3 on: January 30, 2004, 11:39:25 am » posted from:,,Satellite Provider

Subject: Permission to link to your site
Date: Thu, 11 Mar 1999 10:39:57 -0800
From: cmcLean <cmclean@webacademy.net>
To: "'hwang@phy03.phy.ntnu.edu.tw'" <hwang@phy03.phy.ntnu.edu.tw>
I would like to commend you on a wonderful site. The Vernier site is informative and
fun. I wanted to get your permission to link to your Vernier from a Cumberland County
Educational Physics course website. It was suggested to us that we get permission to
link to any sites so that we don't infringe on any copyright laws. I appreciate your hard
work.. You can respond to cmclean@webacademy.net
Thank -You for your time.
Carol McLean
Teacher
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Reply #4 on: January 30, 2004, 11:39:41 am » posted from:,,Satellite Provider

Subject: thank you
Date: Fri, 12 Mar 1999 14:52:00 -0500
From: Dany Marquis <dmarquis@RDS.CA>
Organization: Réseau Des Sports
To: hwang@phy03.phy.ntnu.edu.tw
 
Your application in java to learn how to read a vernier help me.
Dany Marquis
RDS
Montréal
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Reply #5 on: January 30, 2004, 12:46:35 pm » posted from:,,Satellite Provider

Subject: Vernier applet
Date: Tue, 31 Aug 1999 10:31:42 +0100
From: Cathal Flynn <cathal.flynn@nuigalway.ie>
To: hwang@phy03.phy.ntnu.edu.tw
Dear Dr. Hwang,
  I have used some of your physics applets and I find them to be excellent.
Well done! At the moment in the Physics Department we are making changes to
our first year physics labs and would like to include your Vernier applet
in one of the labs in order to help the students learn to read a vernier
scale properly. Is is OK if we include the applet in one experiment?
Thanking you in advance,

Yours Sincerely,

Dr. Cathal Flynn
Department of Experimental Physics
National University of Ireland
Galway
Ireland
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Reply #6 on: February 18, 2004, 06:32:58 am »

I really appreciate your site. I needed to brush up on my vernier caliper readings for a new job. Thanks
L5Ric@aol.com
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angjl
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Reply #7 on: February 27, 2004, 05:44:29 am »

Hi Assoc. Prof. Fu-Kwun Hwang,

i am a Physics teacher from Singapore. I started using your applets in a Junior College and find them interesting and helpful for my students to visualise Physics concepts.
presently i'm teaching in a secondary school. i've set up a site at www.angjl.per.sg/Deyi.htm and i would like to have your permission to include links to applets in your site - begining with Vernier and Vector Addition.

thanks and best regards Smiley
Mr Ang Joo Liak :shock:
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Fu-Kwun Hwang
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Reply #8 on: February 28, 2004, 01:09:45 pm »

You are welcomed to add out URL to your web site! :wink:
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Reply #9 on: March 01, 2004, 06:35:43 am »

Gentlemen:

Many thanks for your very helpful site describing the method of reading the
Vernier caliper.

I recently purchased a Starrett Vernier caliper on Ebay which is in
excellent condition and
although I thought I knew how to "read" the instrument I was not certain.
Your site was a
great help in assisting me to confirm what I already thought was the correct
method.

Many thanks to you and Mary Ball for the clear and concise instructions.

Sincerely,

Taylor Mullaly

tmullaly@cox.net
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nassri
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Reply #10 on: October 01, 2005, 11:57:16 pm »

thanks
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JANUSZ
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Reply #11 on: December 30, 2005, 03:06:13 am »

Dear Mr. Hwang,

I have found your Vernier caliper program very useful for checking machine operator knowledge of use the caliper. Also we've organized a measurement training for our production personnel in which we had used the program to check their skills. Thank you very much for your efforts in spreading the physics all over the world!

Kind regards

Janusz Ciesla
MSc, Mech. Eng.
ULTRATECH
POLAND
www.ultratech.pl
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JonathanCMZ
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Reply #12 on: February 06, 2006, 07:25:03 pm »

COOL! anyway i never sorta use it in my home, still trying to dowwnload java applet, anyway, i am from bowen secondary school in singapore and my teacher show me how to use it, i found it usefull. btw u got a good good forum too. Keep up the good work. Trying to figure up what rong wif the applet downloader, any suggestion?
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~~~~~~~~jonny~~~~~~~
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Reply #13 on: February 06, 2006, 07:38:03 pm »

w00t! i got it all sort out! SEEM like there a programm on this forum call java platform, downloaded it, and thx everyone, i dunno what u did -.-'''
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Reply #14 on: September 14, 2006, 12:48:17 pm »

Me dirijo a usted solicitandole información acerca de este interesantisimo applet que nos representa un vernier y me informa de una forma completamente didactica ,su manejo.

Actualmente, mi hija tiene interes por aprender el uso de esta herramienta aun cuando se encuentra en educacion básica y no encuentro la forma de hacerle llegar este conocimeinto.

Por lo que el programa referido es lo mejor que he encontrado, informeme cual es el precio de este apple y si necesito algun tipo de licencia para usarlo con mi hija y con quien  necesite esta informacion

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Reply #15 on: May 10, 2007, 06:22:46 pm »

wow weeeeeeeee  Grin
this is fantastic!!!!!!!!!!!!!!!!!
it helped me so so much in my coursework, thank you so much
your my hero  Grin Grin Grin Grin Grin
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Barie
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Reply #16 on: May 16, 2007, 12:35:42 pm »

Dear Mr Fu-Kwun Hwang,
Thank you for allowing me to use the vernier applet off-line. This and some of your other items are very helpful in teaching me to use the equipment, I will let others who are interested in physics to view your site and enjoy playing with the tools.
regards
Barrie
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Fu-Kwun Hwang
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Reply #17 on: May 18, 2007, 11:50:57 pm »

You are welcomed! I hope you can enjoy the fun of physics while playing with those java simulations!  Wink
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Denzel
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Reply #18 on: July 01, 2007, 08:53:34 pm »

Hello ,I want to read  about the Vernier scale  and how to read the measurements. Tahnks Denzel
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Reply #19 on: July 14, 2007, 11:07:06 am »

i have studied how to handle vernier meter . I'm happy now . thank you very much prof Smiley
« Last Edit: July 14, 2007, 11:55:09 am by Sivasayanth » Logged

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Reply #20 on: July 14, 2007, 02:09:53 pm »

You are welcomed! I am happy that you do really learn something from this web site.  Cheesy
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Reply #21 on: August 09, 2007, 08:28:11 pm »

Hi Mr Hwang,
I have used your vernier calipers very interesting and i find that is excellent.and i would like you to include micrometer too.
Thanks

Regards
matthew Roll Eyes Smiley Smiley
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Reply #22 on: August 10, 2007, 08:59:34 am »

Micrometer sleeve (with vernier) reading 5.783mm from http://en.wikipedia.org/wiki/Micrometer


* 749px-5783metric-micrometer.jpg (47.68 KB, 748x599 - viewed 1101 times.)
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Fu-Kwun Hwang
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Reply #23 on: August 10, 2007, 09:17:44 am »

Micrometer thimble reading 5.78mm


* 800px-578metric-micrometer.jpg (41.41 KB, 799x481 - viewed 836 times.)
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Fu-Kwun Hwang
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Reply #24 on: August 10, 2007, 11:58:03 pm »

Hi Mr Hwang,
I have used your vernier calipers very interesting and i find that is excellent.and i would like you to include micrometer too.
Thanks

Regards
matthew Roll Eyes Smiley Smiley
I have created an applet for micrometer, and I hope it is what you want. Because you did not describe it in detail.
Any suggestion for improvement will be highly appreciated!
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Reply #25 on: September 21, 2007, 08:12:22 pm »

Zzzzzzzzzzzzzz

Neatoness

This java application tickles my taste buds. How long did it take to construct?
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Reply #26 on: October 01, 2007, 10:43:06 am »

amazing work! very useful. keep up the good work!  Cool
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Reply #27 on: October 12, 2007, 08:15:03 pm »

it"s great topic about measuring instrument vernier caliper &micrometer
but i do not know how do know the scale value with my self
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Fu-Kwun Hwang
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Reply #28 on: October 12, 2007, 09:00:47 pm » posted from:Taipei,T\'ai-pei,Taiwan

The scale on Vernier calipers (or micrometer) was designed in a way that it is easy to read the value.
This applet was design to help you read the value. I am sorry that you did not understand it.

Use the following snap shot image of the applet as an example.

1. You will find 0. pass the 9.0 mm line so the distance is more than 9.0 mm
2. Find the line which is aligned for both rulers. Read the number from the moving ruler, which correspond to .7 mm
3. Add those two together, so you have 9.7 mm.

Is it simple enough. It is similar for the micro-meter. Use the above image as an example:
You will find the distance is more than 5.5 mm and you will find .28mm from the rotating part.
So the final result is 5.5mm+0.28mm=5.78mm


* caliper.gif (4.31 KB, 603x362 - viewed 992 times.)
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Reply #29 on: October 17, 2007, 02:29:55 am »

th for ur great efectors but i know how read the value from vernier calipar  or micrometer but i do't know there scale value
for ur ex in micrometer it have scale value .01from mm those my qustion
how i know .01(scale value)Huh
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