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Re: Would Water Surface Reflect IR?



There's IR & there's IR ... depends on frequency ... water vapour
absorbs most IR ... not sure about liquid water ... 'would check
Wikipedia, etc ... but Google's not responding at the moment ... !

Chris


On 29 Apr 2007, at 19:58, lexfordparc wrote:

> Evening all,
>
> I bought a Maxbotix Ultrasonic device which is very good, but when I
> bought it I didn't read the tech sheet in detail. The beam has a
> spread
> of 36degrees which means in my water tank I can only get a depth
> reading down to about 28" when the Ultrasound then hits the tank
sides
> and I just get the distance of the side.
>
> Therefore, I have found a Sharp IR sensor that goes to 60" but I
can't
> remember whether IR would be reflected by the water surface?
>
> Paul
>
>
>
>
>
>




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