LPG gauge

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Post by Molly3 on Tue Sep 03, 2019 9:56 pm

I have used the od pump that cuts off early  ,also did you hold the pump fill button  in  until it automatically cut off ? ,  give it a couple more fills  before  looking for a fault .
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Post by Cymro on Tue Sep 03, 2019 10:10 pm

For those who have the Gasit 9 LEDs gauge (for the standard 25 litres tank, being 20 litres net working capacity), the following table may be helpful. It's dervived from Gromit's posts above. I compiled it and printed it to place near the gauge as a reminder. All thanks to Gromit, noting his caveats.

The key fact is that the left-most LED (red) only displays after all 8 green LEDs are extinguished, showing that you're down to your last 4 or so litres.

Red LED only (not normally on): say 4 litres left. Time to top up.
1 green LED: 2 litres (plus reserve of 4) = 6 litres left
2 green LED: 4 litres (plus reserve of 4) = 8 litres left
3 green LED: 6 litres (plus reserve of 4) = 10 litres left
4 green LED: 8 litres (plus reserve of 4) = 12 litres left
5 green LED: 10 litres (plus reserve of 4) = 14 litres left
6 green LED: 12 litres (plus reserve of 4) = 16 litres left
7 green LED: 14 litres (plus reserve of 4) = 18 litres left
8 green LED: 16 litres (plus reserve of 4) = 20 litres left


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LPG gauge  - Page 2 Empty autogas gauge Warwick .Duo 13 reg

Post by raffles8 on Tue Sep 03, 2019 11:12 pm

Thanks Molly3
I pressed the button several times but got no more gas.The gauge showed empty before I went and still does.I used quite a lot of gas afterwards and think the tank was full although it shows empty.
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Post by JandJ on Wed Sep 04, 2019 12:05 am

We have stopped bothering with the gauge and work on the principle that we typically use between 0.5 and 0.6L per day (depending on ambient temperature, fridge use, cooking enthusiasm). We fill up and then count the number of nights usage which tells us when to refill, typically once every 12-15 nights for our small 12L tank - we know we could go longer but why not fill when you're passing a garage - that's the beauty of a tank based system.

Comparing the amount put in during the fill helps us calibrate our feel for what we use.
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Post by Cymro on Tue Sep 17, 2019 7:09 pm

Filled up with lpg yesterday. Gauge was showing 3 green LEDs. According to the table which I posted on this thread (above) on 3 Sept, I had less than 10 litres but more than 8 litres left. And indeed, it took just over 9 litres to fill to its 20 litres working capacity. 

In other words, Gromit's observations (from which my table is derived) are exactly the same as mine. So provided that the tank was correctly aligned when fitted, that table is pretty accurate and would be of assistance to those with a similar tank.

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Post by Paulmold on Tue Sep 17, 2019 7:38 pm

The early gauges (like mine) only have 1 red light (empty or nearly) and 4 green lights. What looks like a fifth light isn't a light but a 'sun' symbol. I had 2 green lights yesterday and only got 5.8 litres in. They are notoriously inaccurate but there is a YouTube video showing how to recalibrate the gauge to match the gauge on the tank . 

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Post by Libraryman2 on Wed Sep 18, 2019 12:11 pm

I’m sure people are aware that there’s a gauge called Mopeka
..Ive ordered one ..apparently very reliable and accurate...it sends a signal to your mobile through an app.....it monitors by radio signals through the tank I believe.
It can be used on vertical and horizontal tanks...

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Post by pjonesf1 on Thu Sep 19, 2019 1:39 pm

I filled up on three lights and only got 7 liters in but it did read full after a short time.
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Post by Molly3 on Thu Sep 19, 2019 3:15 pm

I would give it a couple more goes ,sometimes the pumps click off early .
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Post by Dbvwt on Thu Sep 19, 2019 4:43 pm

pjonesf1 wrote:I filled up on three lights and only got 7 liters in but it did read full after a short time.

Sounds just like mine. I’ve always used a local (manned) flogas supplier so I’ve got to assume they know what they are doing.
On both the occasions I’ve let the gauge get down to the red LED, they have only managed to get around 11 litres in. I have also filled up at various LED levels in order to get a feel of my gauge, this has been very embarrassing on a couple of occasions when 4/5 LEDs resulted in about £4-5 of gas.

I have come to 2 conclusions which seems to be generally what many have also found.

1- The 9 LED gauges are very inaccurate but....are reliably inaccurate so once you get a feel for your own readings you can make a pretty good guesstimate!
2- They always seem to give a reading that indicates you have less gas than is actually in the tank. That’s got to be better than the other way round smile!
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Post by Cymro on Thu Sep 19, 2019 4:59 pm

It’s critical that the tank is correctly aligned. Mine was not and the readings were wildly inaccurate. I had the tank re-levelled to the manufacturer ‘s  spec. The readings are now consistent and accurate as per the table. 

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Post by Dbvwt on Thu Sep 19, 2019 5:09 pm

Cymro wrote:It’s critical that the tank is correctly aligned. Mine was not and the readings were wildly inaccurate. I had the tank re-levelled to the manufacturer ‘s  spec. The readings are now consistent and accurate as per the table. 

Cymro

Sorry, didn’t mean to question your table Cymro. 
My gauge reflects your table pretty much the same but with an extra 4/5 litres in the tank which just shows up the anomalies in these gauges up!
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Post by Cymro on Thu Sep 19, 2019 6:41 pm

Oh my goodness! I didn’t remotely consider it criticism!!

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Post by bolero boy on Thu Sep 19, 2019 6:45 pm

i domt have an inderslung tank, merely an 11kg (22 ltr) single gaslow bottle.
whilst the gauges on these are notoriously inaccurate, most users (including ourselves) will have a 'nose' for usage and will fill 'if we think we need it and its comvenient'...
if heading east from our home we pass an lpg station and will usually fill 'because we can' as the gas and diesel fillers are on the same side and both fuel types are together...
but, the more anyone uses LPG, the more they get the 'feel' of the need to fill, irrespective of what the gauge says....

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Post by Gromit on Thu Sep 19, 2019 7:32 pm

bolero boy wrote:whilst the gauges on these are notoriously inaccurate, most users (including ourselves) will have a 'nose' for usage and will fill 'if we think we need it and its comvenient'...
Yes indeed, but only because they cannot possibly give a linear reading due to their construction.

Once understood via the diagram below, it can be seen that although the gauge can't be described as accurate, it does give a reliable indication of when to top up, specifically after the level reaches about the half way mark. and the gauge begins to register.

Not ideal, but once the "nose" has been perfected the gauge is pretty reliable.

Hope this helps.

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Post by Libraryman2 on Thu Sep 19, 2019 7:56 pm

bolero boy wrote:i domt have an inderslung tank, merely an 11kg (22 ltr) single gaslow bottle.
whilst the gauges on these are notoriously inaccurate, most users (including ourselves) will have a 'nose' for usage and will fill 'if we think we need it and its comvenient'...
if heading east from our home we pass an lpg station and will usually fill 'because we can' as the gas and diesel fillers are on the same side and both fuel types are together...
but, the more anyone uses LPG, the more they get the 'feel' of the need to fill, irrespective of what the gauge says....
I would agree in general with the above, however my other half likes the reassurance of knowing that running out of gas is not going to happen...
It’s akin to running around in the car with very little knowledge of how much petrol is in the tank, despite your valid point that one learns to guess what in, it’s still a guess and in winter @ minus 10C gas does not last long with heating and big fridges on the go!

Give me an accurate gauge anytime and take the guesswork out.

Ray
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