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Author Topic: vernier cliper (inch/mm mode, dial mode, measure inner/outer diameter and depth)  (Read 45970 times)
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Fu-Kwun Hwang
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on: January 10, 2010, 06:19:44 pm » posted from:Taipei,T\'ai-pei,Taiwan

This is a simulation for vernier cliper.
It can be used to measure outer diameter, inner diameter and depth with slider in different color.
Blue slider: change width of the outer diameter.
Green slider: change the inner diameter
Yellow slider: change the depth of the object.

You can drag objects need to be measures (blue and yellow).
Drag the vertical slider at the right to change the scale.
Click show to show measured value.

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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.
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Let's work together. We can help more users understand physics conceptually and enjoy the fun of learning physics!


You are welcomed to check out other similar applets: .001 inch caliper (with dial option), Vernier Caliper with zero error options, Micrometer with zero error options, Another Cliper

*2011/02/22 bug fixed, add dragable


* verniercliper.gif (9.94 KB, 851x457 - viewed 1190 times.)
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lookang
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Reply #1 on: January 10, 2010, 07:51:15 pm »

This is a great AppleT.
Like:
the most complete vernier caliper.
( metric n inch ) like a real one.
depth measurement

well done!

You can and should include  this into your list for checking out too. Smiley
http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=684.0
Ejs open source Vernier calipers java applet with objects, help & 0-error logic

there are other good features to include.
Like:
your input field that you got me to understand how to make.
 
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bnettles@uu.edu
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Reply #2 on: March 03, 2010, 03:06:43 am » posted from:Jackson,Tennessee,United States

I like the app but it is unclear what the units are for each scale. I shouldn't have to assume that the top scale is inches and the bottom scale is mm.  Please put some indication of the units on the diagram, because I tell my students to ALWAYS look for the units on the instrument.
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Fu-Kwun Hwang
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Reply #3 on: March 03, 2010, 03:34:21 pm » posted from:Taipei,T'ai-pei,Taiwan

Thank you for your suggestion. I just added the unit into the simulation.
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Reply #4 on: March 06, 2010, 08:58:27 am » posted from:Singapore,,Singapore

this applet here is simply awesome!
i like the depth measurement, if time permits will try to add it here as well Smiley
http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=684.0

this is the best professional learning physics community website!!

Thanks Dr Hwang!
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dennisseda
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Reply #5 on: August 06, 2011, 10:48:45 pm » posted from:Bandung,Jawa Barat,Indonesia

This applet is awesome!

I would just like to point out that the units on the scales seem to have been reversed.
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Reply #6 on: August 06, 2011, 11:21:41 pm » posted from:,,Satellite Provider

Would you please be more specific: please give me an example. Thank you!
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Reply #7 on: August 07, 2011, 08:10:46 am » posted from:Bandung,Jawa Barat,Indonesia

I mean the inches scale seem to be marked in the mm, and the mm scale is marked in inches.

I also would like to embed these applets in my website. Are there any specific instructions for me to do so?

Thanks a lot for these! Smiley
« Last Edit: August 07, 2011, 08:13:48 am by dennisseda » Logged
Fu-Kwun Hwang
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Reply #8 on: August 07, 2011, 07:26:07 pm »

When the above simulation in default state: (not in dial mode).
The lower half is shown in mm, and the upper half is shown in inch.

When the dial mode check-box is checked:
 The value will be shown in inch when inch check-box is checked.
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Reply #9 on: December 06, 2012, 07:09:53 am » posted from:,,Satellite Provider

I just recently found this simulation and think it is very well done, and I hope to use it for training purposes at work. I have, however, found two errors that are beyond my ability to correct in order for it to be completely accurate.

First, any measurement taken above 1 inch in length only reports the correct values after the decimal place. Example: "d = 28.40 mm = 0.117 inch" which should read "d = 28.40 mm = 1.117 inch".

Second, when the simulation is set to Dial and measuring in metric the 0 line on the fixed scale is correctly positioned to be measured from the edge of the sliding jaw, but when you switch to inch mode the scale gets positioned the same as the default metric setting without the dial which makes the reading appear to be off by approximately 0.125 inches.
« Last Edit: December 06, 2012, 07:22:21 am by RClark8270 » Logged
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Reply #10 on: December 06, 2012, 08:10:39 pm » posted from:Austin,Texas,United States

And for a free product, I agree it is much better than anything I could create.  I was just curious if anyone else out there could fix those two minor errors.  I can still use this for training purposes, as the dial portion isn't critical to me, and I can overlook the erroneous whole number portion of the reading as needed.
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Fu-Kwun Hwang
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Reply #11 on: December 07, 2012, 10:49:32 pm » posted from:,,Satellite Provider

 The above two bugs has been fixed now. Thank you very much!
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There is a better way to do it; find it. ..."Thomas Edison(1847-1931, American inventor, 1093 patients)"
 
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