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MeasurementBlues
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Home-made probes
MeasurementBlues   2/10/2014 9:28:24 PM
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Do you consider making your own probes a hack or not? For example, making a near-field scope probe from paper clip?

MeasurementBlues
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To hack or not to hack?
MeasurementBlues   2/10/2014 9:27:04 PM
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What about when it comes to more expensive equipment, even say $1000 and up? Will you risk voiding a warranty or calibration for functionality?

CTHP
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Re: Nice hacks
CTHP   2/10/2014 8:10:44 PM
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I love these hacks! I question the logic to hack the cheap gear but this is more about artistry and 'climbing the mountain because it's there' rather than reason (or functionality). I mean, if you are trying to prove a point, then the cheaper the gear the more interesting the hack.

MeasurementBlues
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Re: Caliper and Excel
MeasurementBlues   2/10/2014 6:17:33 PM
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Looks like I do have the VB code. I'll upload it and fix the link on the article, then tell everyone here when it's ready.

MeasurementBlues
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Re: Caliper and Excel
MeasurementBlues   2/10/2014 6:15:07 PM
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I worked with somen years ago on several article that use Excel. Here's one.

Thermistor and DMM Measure Temperature.


The link to the VB code doesn't work but I might have it.

MeasurementBlues
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Re: Re : 6 DIY Hacks for Measurement Tools
MeasurementBlues   2/10/2014 6:05:52 PM
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I've seen many ways to measure temperature with a DMM. One uses a bipolat transistor relying on the PN junction. Voltage changes with temperature. You do have to linearize in software. You can do the same with a thermistor. I used to have some code that worked with a 34401A to convert resistance to temperature in a PC.

If you ask around on the LabVIEW or VEE e-mail groups, you can probably get someone to send you their code.

antedeluvian
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Caliper and Excel
antedeluvian   2/10/2014 4:16:07 PM
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I created a small interface board for my Mitutoyo Caliper (with electronic interface) to convert the signal to connect with a parallel port (LPT) on a PC. I then read the data directly into Excel. It was documented in my book "Excel by Example" Only availabale on Kindle now. I would be more practical to convert it to serial nowadays (I wanted to show how to connect to the parallel port back then).

_hm
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Re: Re : 6 DIY Hacks for Measurement Tools
_hm   2/9/2014 10:00:18 AM
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Very interesting. Reminds me of old elektor days. When I have young engineers work for me, most evening they discusses similar new ideas with me. 

Anand.Yaligar
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Re : 6 DIY Hacks for Measurement Tools
Anand.Yaligar   2/9/2014 9:11:55 AM
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Very informative article. I really liked the idea of converting digital DMM into temperature measuring device. Best part about all these ideas is that they can be easily realised with little investment. Looking forward to more such ideas.

daleste
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Re: Nice hacks
daleste   2/8/2014 12:45:25 PM
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Leave it to engineers to reverse engineer and modify their tools.  Very fun article.  Gives me some ideas of making my own modifications.  Thanks!

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