Gas level question

[Cush]

Evening All,
wondered if anyone has fitted an in line gas level level gauge. Thinking about fitting one to the pigtail. Not even sure if this is a good idea? The bottles I often swap out are often too surface rusty for the mopeka to work.
also wondering if a pigtail change is a diy job or for a gas registered person?

advice appreciated

 

[pappajohn]

The best that will show is gas pressure... Which will be constant until empty.. Not quantity
Any sensor needs to be in the bottle similar to a petrol tank gauge.

 

[Cush]

Is there no reduction in pressure on the bottle side of the regulator as the bottle empties? Please forgive the genuine noobie question.

edited for additional question
re changing a pigtail. DIY job.??? Reason for asking is that the hab service bloke replaced my old one with a style that has a plastic “bit” that means it won’t fit on the collar of a smaller bottle.

 

[Bessy765]

The pressure stays the same as the liquid turns to vapour, it will only drop when the bottle is virtually empty.

 

[Stealaway]

Why not just have two bottles? When ones empty you have a week or two to replace the other one.
You can buy pigtails from the LPG shop.

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[Cheshirecat57]

Or weigh the bottle as you go with a cheap suitcase scale

 

[Two on Tour]

I use a Mopeka ultrasonic bluetooth system which is very accurate.

 

[Scotch mist]

I use a Mopeka ultrasonic bluetooth system which is very accurate.

me too

 

[Cal54]

I used the Mopeka device until it packed up after an update I now have the Truma one (same idea, just fits to the bottom of the gas bottle - refillable in my case). Pleased with it so far, and bought 2nd hand from a fellow funster so not too expensive!

 

[Abacist]

Get your own nice new shiny gas bottles like Gaslow or GASIT and they instal Mopeka.

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[the1andonly]

The bottles I often swap out are often too surface rusty for the mopeka to work.

I presume you allready have a mopeka, if so clean up the gas bottle contact area with a wire brush. Mopeka suggest an ultrasonic grease, pherhaps a lm grease would do.
Changing a pigtail should be no more difficult than fitting an exchange bottle.

Ps ive not needdd to use grease yet, just move sensor around to get a sensible reading

 

[Abacist]

Silicone grease is the stuff to use