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Old 22 December 2008, 12:45   #1
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Country: UK - England
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northsrar/navman fuel flow meter

does anybody that has this fuel flow meter fitted know what the pulse setting is on there units. The units settings are from 1 to 30 and the default setting is 5. this setting is probably right for a 2 stroke engine, but with a four
stroke the fuel is pumped in longer pulses so i am lead to believe, so the setting should ideally be 10+to account for this, or is it going to be trial and error.and are these units pretty accurate.
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Old 22 December 2008, 14:44   #2
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Yes just choose a longer pulse - doesn't really matter - try 15. Better choose a longer one and back down from there if you want to.

Beware - the head units aren't very waterproof - not even rain proof in my case.

seems pretty accurate when it works.
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Old 22 December 2008, 16:03   #3
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cheers codders, Ill try it at 15 first, havent got the waterproof problem as it will run off the northstar m84 plotter,Ive allso got a wemmer analouge gauge fitted but the readings are way out, showing half when ive only used about 20ltrs on a 180ltr tank, which is the reason for the fuel flow meter.
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