Fuel pressure guage isolator

[Rich Mauruschat]

At 11:27 16/07/97 -0500, you wrote:
>>What I am in need of is a device I can plumb into the
>>fuel rail, and hook a standard oil or air pressure
>>guage to the other side, so that fuel can never 
>>get into to cabin, even if the feeder hose is cut.
>>
>>Has anybody made one of these, and if so, how?
>>
>>Alternatively, would your average electric oil pressure
>>sender unit survive the nasties of high octane unleaded?
>
>look in the Summit or Jegs catalog -- they sell isolators.
>
>also check out the pressure transducers in the Digi-Key
>catalog (p. 454 in May-June).  The Measurement Specialties
>SS xducer costs ~ $85 and will work, but you're going to
>have to have some electronics (i.e. op-amp signal
>conditioning) to make it work
>
>Tom Cloud <cloud at peaches.ph.utexas.edu>
>
Beware if using semicondutor type transducers (ie no stainless interface
diaphragm), they often do not take kindly to being exposed to liquid petrol,
the sensing element is often only protected by a silicone gel barrier.
Sometimes you can get away with it - worth bearing in mind though.
Richard