Digital: fuel pressure gage; boost gage

[Clarence Wood]

  How do I get a Motorola catalogue?  Do they have a 1-800 number?  If you do get something that will work, please send me the part number.

Clarence

At 02:48 AM 2/7/99 -0500, you wrote:
>At 05:00 PM 2/6/99 -0600, Clarence Wood wrote:
>
>> Is it possible to use the pressure sensing device in a digital scale to
>> build such things as an electronic fuel pressure gage, or an electronic
>> boost gage, or a boost control?
>
>My guess is that a scale uses a strain gauge of some sort. To use it
>as a pressure sensor you'd have to have some kind of A/B diaphragm
>arrangement. Can be done, but ick.
>
>If you want to measure *air* pressure you have lots of choices. Grab
>yer Digikey catalog and look up "pressure sensors". Or my own personal
>faves, Motorola's MPX line, which are oodles cheaper. If you need
>to measure water/fuel/oil pressure, Digikey is still yer buddy, they
>have stainless steel units in pipe thread packages. Think oil pressure
>sender, I guess. I could use one of these as my fuel pressure sensor,
>but I'm an effin' cheap bastard and they're like $80-$200 depending.
>The Motorola air-only units are like ~$15, the new automotive
>specialty ones that Tom mentioned are, uhh, did anyone see a part
>number or a price? I'm desperate tho, and Moto likes me so I'll
>try to call Monday and bum a few offa them.
>
>   Hope this helps,
>   Chris C.
>
>