Fuel pressure guage isolator

Tom Cloud cloud at peaches.ph.utexas.edu
Thu Jul 17 14:53:25 GMT 1997


>>>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.

  ...

>>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

  ...

>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

good point, but the unit I specified from Digi-Key is
SS (see above) and is specified safe with solvents, etc

Tom Cloud <cloud at peaches.ph.utexas.edu>



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