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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: Oil level gauge
On Fri, 14 Feb 1997 07:59:15 -0500, you wrote: >> >> Failing that, I would be happy with just an indicator that showed >> low, ok, high. Would this be posible with a few fixed resistors >> and some wires at the appropriate points on the dip-stick or do >> I need some electronics to make sense of the resistance of oil? >> >I've given this some thought and did a LITTLE research. Can't find anything >off the shelf but the idea of sensors on the dipstick sounds intriguing. My >limited electrical experience tells me that some small thermistors mounted >at intervals along the dipstick and connected to a few op-amps would do the >job. The output could be a linear LED bargraph-type of display. The problem >is, how do you get the wires from the thermistors out of the crankcase? >And, if they're attached to the dipstick, how do you take the dipstick out? >If you put the sensors in the sump, aren't you talking about some major >holes in the oil pan or elsewhere for the wires to extend through and don't >holes equate to leaks? > >Seems like this would be a good aftermarket product. But I can't find one. > My 1979 mod. Simca(Chrysler France)1308 has an electronic dipstick. It has two contact points and measures the resistance between them. If the resistance get to high a warning light will light up. I cant remember if it only worked when the engine was off or if it worked all the time, as everything else on my Simca it stopped working a long time ago. Regard Karstein References:
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