> On 08/06/2011 11:59 AM, John Greenhalgh wrote:
>
>> I have checked the ground and thats OK and then I checked the voltage
>> of the power source at the connector to the sensor between the red and
>> black wires and this was 10.6 volts which is a surprise
>>
>
> If I recall correctly this sensor needs 5 Volts. If that is the case it
> is not surprising that it drags the supply down to 10.6Volts. You might
> have damaged the flowscan, but check to be sure what the required
> voltage is, I hope for you that my memory is wrong.
>
> Frans
>
>
At
http://www.floscan.com/html/blue/aviation.php
Floscan says:
*
Electrical Specifications:*
12 to 15 VDC between RED (+) wire and BLACK (-) wire. 30 to 50 mA at 12
VDC.
*Signal Specifications:*
Open collector transistor output on WHITE wire. Sensor will pull-down
to 1.0 volt with 10-15K ohm pull-up resistor installed.
Jan de Jong
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