REFLECTOR: optical low fuel sensor

[Dean May]

Well, after further examination, I discovered that the wiring diagram is 
printed onto the sensor body.  There was no diagram in the instructions 
included, and the sensor itself was the last place I thought to look.

Dean May
STDRG

----- Original Message ----- 
From: "Brian Michalk" <michalk at awpi.com>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Thursday, June 22, 2006 12:26 PM
Subject: Re: REFLECTOR: optical low fuel sensor


I think others may have answered your question as well, but here is a
different response.

+12v to sensor
gnd to sensor
------
+12v to instrument panel annunciator
from annunciator to sensor

Dean May wrote:
> Ok I purchased this optical level sensor, but now how do I wire it in? 
> The
> old mechanical sensor had two wires and this has three. Any ideas?
>
> Dean May
> N474MA   STDRG
> ----- Original Message ----- 
> From: "Brian Michalk" <michalk at awpi.com>
> To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
> Sent: Thursday, June 15, 2006 10:49 PM
> Subject: Re: REFLECTOR: optical low fuel sensor
>
>
> McMaster-Carr, 4949K43, $79.65
> http://www.mcmaster.com/catalog/112/gfx/large/4949kp1l.gif
>
> Control the liquid level in your tank without a float—an infrared light
> beam does all the work. When the tip is immersed (or exposed), the beam
> refracts (or stops refracting) and activates the sensor output. Sensors
> have an LED signal to indicate when output is on. Sensors are sensitive
> to light, so they need to be shielded or used in an enclosed tank.
> Maximum output is at the input voltage. Polyamid housing is best for use
> with solvents, polysulfone housing will stand up to most acids and
> bases, and carbon steel housing is the choice for high-pressure
> applications. Output when wet sensors activate when the tip is immersed;
> use to empty a tank. Output when dry sensors activate when there is no
> liquid present; use to fill a tank.
>
>
> Check out
> http://www.tvbf.org/gallery/index.php?dir=Sump%20Tank%20-%20FG%2F
> I've got three pictures at the end of my installation.
>
> I tried testing it in a foam cup.  It didn't work.  I think the signal
> was bouncing around the cup and re-entering.  It worked just fine at
> engine start.  I'm not yet flying.
>
>
>
> Robin Wesley Ream wrote:
>
>>Do you have an installation picture of this on-line somewhere?
>>Robin
>>
>>----- Original Message ----- From: "michalk" <michalk at awpi.com>
>>To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
>>Sent: Thursday, June 15, 2006 10:44 AM
>>Subject: Re: REFLECTOR: optical low fuel sensor
>>
>>
>>
>>>I bought mine from McMaster Carr.  It's cheaper than the Gems sensors.
>>>I'll try to remember the model number.
>>>
>>>The float type didn't work.  I ended up drilling it out because it
>>>wouldn't come out.  I then inserted a brass bushing in it's place and
>>>installed this new optical sensor.
>>>
>>>Dr. Golf wrote:
>>>
>>>
>>>>Does anyone know the supplier and part number for the
>>>>optical sensor?
>>>>Joel
>>>>
>>>>
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>>
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>
>
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