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nuckolls.bob(at)aeroelect
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 Posted: Tue Jan 09, 2018 2:32 pm Post subject: Interesting Product Alert |
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There's a family of digital laser distance
measuring tools out there. Unlike the ultrasonic
range meters these instruments take a reading
on reflected light from the laser dot.
They're offered with a variety of built in
calculators for area and volume. Bought
one of the least expensive examples here:
https://goo.gl/d6Xmre
I bought the one with 80 meter range for ~30
dollars. The 40m range is only 16 dollars and
mailed to you from the US.
In the "inch" measurement mode, I supported
the device on my desk and measured distance to
the ceiling tiles . . . the white surface
was repeatedly reported at 65.629" A measurement
to the bottom of a decorative depression in the tiles
repeated at 65.747". From this I conclude that
the depression measured was about 0.020" deep.
I'll be using this to help level up some structure
on a friend's implement shed without having
to stand on any ladders, etc. Will report
any disappointments/amazements as they present . . .
when the weather gets warmer!
Bob . . .
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nuckolls.bob(at)aeroelect
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| Posted: Tue Jan 09, 2018 4:52 pm Post subject: Interesting Product Alert |
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| Quote: | In the "inch" measurement mode, I supported
the device on my desk and measured distance to
the ceiling tiles . . . the white surface
was repeatedly reported at 65.629" A measurement
to the bottom of a decorative depression in the tiles
repeated at 65.747". From this I conclude that
the depression measured was about 0.020" deep. |
I failed to point out that the above experiment was
a demonstration of resolution and repeatability,
not of accuracy. The specified accuracy of my
particular device is +/-2 mM or +/-0.078 inches.
Still, pretty impressive in terms of slicing beams
of light into millimeter chunks . . . ain't 'lectronics
wunderful?
Bob . . .
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cluros(at)gmail.com
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| Posted: Tue Jan 09, 2018 6:52 pm Post subject: Interesting Product Alert |
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What is the angle measurement it mentions? Does it work as an inclenometer as well?
On Tue, Jan 9, 2018 at 4:51 PM, Robert L. Nuckolls, III <nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)> wrote:
| Quote: | | Quote: | In the "inch" measurement mode, I supported
the device on my desk and measured distance to
the ceiling tiles . . . the white surface
was repeatedly reported at 65.629" A measurement
to the bottom of a decorative depression in the tiles
repeated at 65.747". From this I conclude that
the depression measured was about 0.020" deep. |
I failed to point out that the above experiment was
a demonstration of resolution and repeatability,
not of accuracy. The specified accuracy of my
particular device is +/-2 mM or +/-0.078 inches.
Still, pretty impressive in terms of slicing beams
of light into millimeter chunks . . . ain't 'lectronics
wunderful?
Bob . . .
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nuckolls.bob(at)aeroelect
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| Posted: Wed Jan 10, 2018 10:11 am Post subject: Interesting Product Alert |
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At 08:51 PM 1/9/2018, you wrote:
| Quote: | | What is the angle measurement it mentions? Does it work as an inclenometer as well? |
I don't think it calculates any angles . . . there
is a bubble level on the face which assists the
operator in making consistent measurements.
Bob . . .
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