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  1. dvldoc's Avatar
    dvldoc
    dvldoc is offline ElgrandClubph FB
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    October 30th, 2013 09:58 PM #1
    These are commonly used at oil pressure switch, Looking for a few of these new or surplus. If anyone knows were to find some please let me know. It's for a project.

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  2. shibby75
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    October 31st, 2013 12:57 AM #2
    My old boxtype 4g32 has a oil sensor that looks like that, with two spade terminals. Can be found at Any autosupply
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  3. dvldoc's Avatar
    dvldoc
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    October 31st, 2013 05:56 PM #3
    Unfortunately those are sending units and operate on Ohms of resistance. The hobbs is strictly a pressure switch which are a normally open switch that closes and completes a circuit at a set pressure.
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    October 31st, 2013 06:30 PM #4
    transducer
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  5. dvldoc's Avatar
    dvldoc
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    November 1st, 2013 09:26 AM #5
    Quote Originally Posted by t2erns View Post
    transducer
    Transducers change pressure to a voltage output signal. Hobbs are just a micro switch activated by pressure.
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  6. dvldoc's Avatar
    dvldoc
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    July 18th, 2014 02:44 PM #6
    Still looking for some of these locally.
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Where to get Hobbs pressure switch