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Measuring distance with Lasers,

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TX-RAT Donating Member (1000+ posts) Send PM | Profile | Ignore Tue Dec-07-04 12:27 PM
Original message
Measuring distance with Lasers,
Got a few questions.
How accurate?
How expensive?
Will it still work if it hits a liquid surface?
This has to do with fluid levels in my water wells.
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trotsky Donating Member (1000+ posts) Send PM | Profile | Ignore Tue Dec-07-04 12:29 PM
Response to Original message
1. A couple of answers.
Edited on Tue Dec-07-04 12:30 PM by trotsky
Otherworldly accurate.
Fairly expensive ($300-$500 I think).
Not sure about the water. Good question.
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TX-RAT Donating Member (1000+ posts) Send PM | Profile | Ignore Tue Dec-07-04 12:33 PM
Response to Reply #1
3. Thanks
I just thought it would be easier than a string line.
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smiley_glad_hands Donating Member (1000+ posts) Send PM | Profile | Ignore Tue Dec-07-04 01:00 PM
Response to Reply #3
4. Using a string and weight
Edited on Tue Dec-07-04 01:03 PM by smiley_glad_hands
is probably the easiest and most accurate way of measuring the water level of a well. Is it a deep or shallow well?

On edit: A laser range finder costs about $300 and is only accurate to 3-5 feet within 100'. Go with the string and a weight.
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TX-RAT Donating Member (1000+ posts) Send PM | Profile | Ignore Tue Dec-07-04 01:54 PM
Response to Reply #4
5. Looking at one made by Spectra
Says it's accurate to 1/8 in at 500ft.
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alittlelark Donating Member (1000+ posts) Send PM | Profile | Ignore Tue Dec-07-04 12:32 PM
Response to Original message
2. It will disperse somewhat in the water
Try a laser pointer and a glass of water. My dad uses them to analyze red wine.
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