Gas content gauges
Does anyone know how these work? Is the accuracy effected by the type of gas in the bottle if the the gauge does not match the gas type?
peedee
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The translucent body of our Gaslights works quite well, a feature that the Calor-Lite replacement if it ever comes out "reportedly" shares.
So, for many this "need" ought to be sorted in the near future.
I find just loosen the straps and lightly rock the bottle to gently cause the liquid gas surface to move, helps be sure to see where it is.
Someone will retail an expensive "rule" as a plastic clip on strip, to convert the level to kgs for those who need the specifics?
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How can what is effectively no more than a pressure gauge really give any hint of the bottles content, other than when the liquid is depleted and the remains of LPG are into the gas stage?
To my mind all it shows is the liquids vapour pressure. This is not contents variable whilst there is still liquid there, only once it is all evaporated and the gas pressure starts falling on useage. It responds to temperature of course of which contents has a secondary effect as a heat sink, but not directly contents.
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Picking up automotive LPG outside the UK where Butane in varying amounts is included?
If that is the area of interest here, then when in sustained very cold conditions we are IMO into nightmare territory
The behaviour in leaching of the more volatile Propane part, in our vapour take off systems as opposed to the intended liquid take off automotive case, is hugely complicated.
All this making determining the "effective" contents, ie what contents will gas off, as compared to what is physically there, in these colder ambient, simply as said a nightmare.
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Becuase usually my Gaslow propane guage fitted to my change over system has proved quite accurate over the years but has recently been otherwise after a couple of Continental trips which involved filling up with Continental mixes of gas. I got to wondering if the guage was faulty or whether it was due to contents.
Thanks for the responses most useful
peedee
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I would simply fully deplete each bottle in turn prior to refilling them, and see if the old characteristic returns. Assuming that is physically an option with the Gaslow set up.
Out of interest over there were you using the gas on a heavy demand type of duty, so really getting the bottle in use very very cold?
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Out of interest over there were you using the gas on a heavy demand type of duty, so really getting the bottle in use very very cold?
I don't think so OC, very little heating was required but the fridge might have had to work harder. We did experience a range of altitudes which must have had some influence if these guages rely on pressures.
peedee
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The fridge's modest demands however hard it was working will not cause the massive drop in the bottle's temperature I was thinking might cause unbalance in the mixtures use.
It would have to be something heavy and prolonged which only IMO could be heating and that you say was minimal so that thought does not lead us anywhere. Water heating whilst a heavy flow is not sustained.
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Is it sad I got all excited about seeing engineering toolbox in a post!
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You know what you have - not what you might get out.
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lol....a resource I use probably too often!
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