Mopeka LPG sensor

[Camper634]

Morning all.Could anyone advise on the following please.I am in the process of fitting mopeka LPG sensors to my gas tanks.1 is a 20kg undersling tank,the other is my reserve which is a 2.7 kg gaslow bottle.The underslung is going to need prepping so i want to fit one to the 2.7 tank first.My question is the smallest pre calibrated tank in the mopeks app is 6kg so i have to use the method where you put the depth of the tank in yourself.Has anyone fitted one to a 2.7 kg tank and if so what figure did you use?Also would you count the maximum fill which is 80% as 100% in the app settings?I hope this makes some kind of sense.The underslung tank will need a right good clean and polish to be able to get a surface suitable for the sensor,so i thought i would start with the easy one first!

 

[Pablo19]

The video on the app suggests the Mopeka Pro sensor only works on tanks of 20lb (American video) or above so in reality 11kg or above. I have only used it on 11kg myself so not sure if this is true. On my sensor on a Gas it 11kg it automatically senses when my bottle is full (80%) and it registers as 100% full.

 

[Camper634]

Thanks for your reply. I have guessed at 12cm and I think that is somewhere close. On the app I've got the minimum is 6kg. I don't think smaller bottles are readily available in the US.

 

[peterc10]

The app's percentages are based upon total capacity. So, if you fill correctly, you will get 80% shown only.

 

[Pablo19]

The app's percentages are based upon total capacity. So, if you fill correctly, you will get 80% shown only.

When I fill my Gasit bottle it shows 100% full?

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[peterc10]

When I fill my Gasit bottle it shows 100% full?

That is worrying. Either the gauge is not calibrated properly or your 80% fill cut off is not working. The latter would be very dangerous as there needs to be a buffer at the top to ensure that only gas is drawn off, and not any liquid. Basildog is our resident expert on this.

 

[Two on Tour]

When I fill my Gasit bottle it shows 100% full?

I have set my Mopeka app to register 80% when our underslung tank is at 80%, but you can of course adjust the tank height settings within the app to show 100% when at 80% full or whatever you like for that matter.

 

[Pablo19]

That is worrying. Either the gauge is not calibrated properly or your 80% fill cut off is not working. The latter would be very dangerous as there needs to be a buffer at the top to ensure that only gas is drawn off, and not any liquid. Basildog is our resident expert on this.

Yes, I'm aware of that but just assumed it treats the 80% as being full so registers 100%! I've never recalibrated it and always fill up with auto stop with the expected amount of litres in the tank.

 

[peterc10]

Yes, I'm aware of that but just assumed it treats the 80% as being full so registers 100%! I've never recalibrated it and always fill up with auto stop with the expected amount of litres in the tank.

I also used the settings recommended for the 11kg bottle and did not recalibrate it. When I fill up to the stop on the pump the app shows approximately 80% not 100% on both bottles. A bit odd.

 

[Stoosal]

Yes, I'm aware of that but just assumed it treats the 80% as being full so registers 100%! I've never recalibrated it and always fill up with auto stop with the expected amount of litres in the tank.

I’ve got mopeka and it shows 80% after filling!

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[Brianmor]

One way to set the sensor up is to completely empty the tank and then set the tank height to give you 0% and then fill the tank so you know what is 100% (usable) whether that turns out to be 70%, 90%, or 100%