Replies to This Discussion

Permalink Reply by Mostly Procastinating on September 6, 2009 at 12:24pm

http://www.toolstop.co.uk/bosch-dle-50-laser-range-finder-p6126

This website states a typical measurement time of <0.5S up to a maximum of 2S along with a promotional video of it in use.

God knows what they package it in that results in a 2Kg shipping weight though...

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Permalink Reply by Sergey on September 16, 2009 at 11:13am

Any progress with altimeter?
Can you send HiRe pictures of what is inside ?

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Permalink Reply by Joseph Glanville on September 16, 2009 at 6:06pm

Not so much atm.
Pursuing a company about some laser time of flight modules with raw serial output.
Absolute raw readings that is, timings and or calculated distances in plain text.

This is critical because then we can filter the results as we see fit.
Particularly because these other range finders try to get a stable reading..
We don't need nor want a stable reading, we want to know how far away the ground is at any point in time lol.

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Permalink Reply by paul chase on June 6, 2010 at 7:44pm

Have you had any luck with the concept. I am looking for a laser time of flight module for something unrelated to drone aircraft. Have not been able to find any modules. Don't need output in engineering units, but some sort of digital output would be nice. Analog would be useful too.

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Permalink Reply by Niels Heeser Nielsen on February 13, 2013 at 7:14am

What altitude range are you targetting?

I have a HILTI PD 30 time of light device. It should do 200m, but performance is more reliable below 50m :-(

They have some new models like the PD 40 which is specified to 200m. Specs:

Accuracy	± 1 mm
Laser	635 nm, Class 2 (IEC 825-1), Class II (FDA 21 CFR)
Measuring range	0.05 m - 200 m
Measuring functions	Single and continuous measurement
Calculation function	+ - Area
IP protection class	IP 54
Battery type	2 x AA
Operation time with Alkaline battery	≤ 10000 measurements
Dimensions (LxWxH)	120 x 55 x 28 mm
Package content	Laser range meter PD 40, Hand strap, 2 AA batteries, Battery compartment key, Soft pouch, Manufacturers certificate, Operating instructions

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