1-25 m range sensor
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1-25 m range sensor Ricardo Perezzo 09-11-2005
Posted by Ricardo Perezzo on September 11, 2005, 4:27 am
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What type of range (distance) measurement sensor (and/or sensor combinations
to minimize the total cost) available with the following specs
i. Range : 1-25 meters
ii.Accuracy : 2-5cm
iii. Max spot size at target : 10cm radius @ 25m
iv. Repetation rate : 10Hz
v. Price : (Yes, I would prefer "low cost" whatever it means)





Posted by D Herring on September 11, 2005, 5:30 am
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Ricardo Perezzo wrote:
> What type of range (distance) measurement sensor (and/or sensor combinations
> to minimize the total cost) available with the following specs
> i. Range : 1-25 meters
> ii.Accuracy : 2-5cm
> iii. Max spot size at target : 10cm radius @ 25m
> iv. Repetation rate : 10Hz
> v. Price : (Yes, I would prefer "low cost" whatever it means)

If you could handle a much larger spot size, and possibly a lesser
range, ultrasonic rangefinders are the cheapest option for long
distances. If the small spot size is required, then you might be stuck
with pricey laser rangefinders that measure the round-trip travel time.
The Acuity AR4000 measures up to 16.5m and lists at $3500. Similar
products can be found elsewhere.

http://www.acuityresearch.com/products/index.shtml
http://www.astech.de/ENGLISH/ldm41a_e.htm

Later,
Daniel

Posted by on September 12, 2005, 5:25 pm
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Actually, most laser range finders use a phase measurement, rather
than actual flight time. Leica Geosystems makes some fairly lowcost
laser distance meters, around $800 if I recall correctly.
[http://www.leica-geosystems.com/]


Posted by D Herring on September 12, 2005, 9:39 pm
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cadcoke3@yahoo.com wrote:
> Actually, most laser range finders use a phase measurement, rather
> than actual flight time. Leica Geosystems makes some fairly lowcost
> laser distance meters, around $800 if I recall correctly.
> [http://www.leica-geosystems.com/]

Thanks for the link. The Disto Lite is only $330 (at lascolaser.com)
and measures up to 200m with 3mm accuracy. Their higher-end units have
bluetooth for wireless data transfer. If I only had a reason to buy
one; they look neat.

Daniel

Posted by Don Gravos on September 13, 2005, 11:18 am
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> Thanks for the link. The Disto Lite is only $330 (at lascolaser.com) and
> measures up to 200m with 3mm accuracy. Their higher-end units have
> bluetooth for wireless data transfer. If I only had a reason to buy one;
> they look neat.
>
> Daniel

Does Disto Lite has any computer interface such as RS232?



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