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Old 10-11-2018, 03:45 PM   #1
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Propane level

How does the monitoring panel on my 2017 AXIS know what the propane level is? More to the point, is the sensor in the tank a liquid level gauge or a pressure gauge. Many may know that a pressure gauge is useless on propane. Vapor pressure stays at the same level until the liquid is gone and then the pressure plummets with use. Thanks, kevin
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Old 10-11-2018, 03:56 PM   #2
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I'm waiting to see the answer... and for the gauge on mine starts to drop! We've had the rig for over a year, and it still reads "Full".
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Old 10-11-2018, 04:06 PM   #3
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There is a float inside the tank and there is a small magnet in the top of the unit that is attached to the tank. The gauge actually screws into the top of this and reads the level from the magnet.
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Old 10-11-2018, 04:32 PM   #4
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In the non tech days we poured a cup of warm water on outside of the tank. you will see the liquid line.
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Old 10-11-2018, 04:39 PM   #5
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On our bulk storage tank we had a lever with a small petcock in the center. You opened the petcock and turned the lever until liquid came out and you could determine your tank level. Also had that setup on one of our tankers.
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Old 10-12-2018, 08:19 PM   #6
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Originally Posted by revjeffrey View Post
In the non tech days we poured a cup of warm water on outside of the tank. you will see the liquid line.
I thought that Bob Denman was the only one that makes me smile. But you beat him this time. If this method is not old school, then I don't know what is.

On my external portable propane tanks, I just cook until the fire goes out. If it will not re-light, then I assume it is empty and swap the tank. Even though I have two spares at all times, I can't wait to try this. I don't need no stinky gauges"
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Old 10-12-2018, 08:21 PM   #7
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I bow to a True Professional...
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Old 10-12-2018, 10:19 PM   #8
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Originally Posted by redshift View Post
How does the monitoring panel on my 2017 AXIS know what the propane level is? More to the point, is the sensor in the tank a liquid level gauge or a pressure gauge. Many may know that a pressure gauge is useless on propane. Vapor pressure stays at the same level until the liquid is gone and then the pressure plummets with use. Thanks, kevin
It magic. LOL. They are off some. My gauge will show FULL inside but like 65 % on the tank gauge.

But a full propane tank is like at like 75 or 80% to allow room for expansion at higher temps.

I always refill once it gets to about quarter tank.... I dont want to run out when I might need it the most.

If I was going on a long trip (esp when cold at night) I would top off tank no matter what the level shows.
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Old 10-12-2018, 10:22 PM   #9
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Originally Posted by dkoldman View Post
I don't need no stinky gauges"
"Gauges, we dont need no stinking gauges".

Reminds me of an old movie. LOL

Treasures of the Sierra Madre with Humphry Bogart. Great movie.
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Old 10-12-2018, 10:58 PM   #10
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Yes!!

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Old 10-12-2018, 11:08 PM   #11
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Just don't try checking the level like this...

http://www.thorforums.com/forums/att...1&d=1539382087
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Old 10-12-2018, 11:39 PM   #12
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I'm waiting to see the answer... and for the gauge on mine starts to drop! We've had the rig for over a year, and it still reads "Full".
GAUGES? We don't need no stinking gauges!
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Old 10-12-2018, 11:43 PM   #13
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Just don't try checking the level like this...

http://www.thorforums.com/forums/att...1&d=1539382087
Hans? You keep eating burritos before we go treasure huntin, I'm gonna turn this lighter into a Flamethrower, you hear me Hans?
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Old 10-13-2018, 01:09 AM   #14
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Hans? You keep eating burritos before we go treasure huntin, I'm gonna turn this lighter into a Flamethrower, you hear me Hans?
BTW Hans. What do they do for fun around here after they roll up the sidewalks at midnight?
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Old 10-20-2018, 08:29 PM   #15
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Originally Posted by dkoldman View Post
On my external portable propane tanks, I just cook until the fire goes out.
I pick it up and wiggle it. You can tell by the weight, and can feel it as it sloshed back and forth. After a while you get pretty good at guageing it.
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Old 10-20-2018, 09:29 PM   #16
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Well in the old days we used the warm water poured on the tank side, didn't work well in winter. Then there was also the Parakeet in a cage method, PETA didn't like that very much so I have switched to the "Mother-in-law Propane/Methane" gage. My dear mother-in-law is a huge gas bag and shoots fireballs from her nether region when gas is present so the slower the fireballs come the closer the tank is to empty. I created a chart so I can count the fireballs and know exactly how much propane is in the tank. If I vary her diet I get a multitude of colors. She's not affected by weather, opinions, facts, common sense or any manner of coaxing so it's a very accurate read.

CONS: This is however the most expensive method of tank level indication. You must feed, clothe, house, hear and pretend you are interested in her all the time and she just won't go away.

PROS: The kids in all the camping spots love the fireworks display.
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Old 10-20-2018, 10:44 PM   #17
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GAUGES? We don't need no stinking gauges!
I have always just used the hot water guage
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Old 10-21-2018, 02:37 AM   #18
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Originally Posted by DogLovers View Post
Well in the old days we used the warm water poured on the tank side, didn't work well in winter. Then there was also the Parakeet in a cage method, PETA didn't like that very much so I have switched to the "Mother-in-law Propane/Methane" gage. My dear mother-in-law is a huge gas bag and shoots fireballs from her nether region when gas is present so the slower the fireballs come the closer the tank is to empty. I created a chart so I can count the fireballs and know exactly how much propane is in the tank. If I vary her diet I get a multitude of colors. She's not affected by weather, opinions, facts, common sense or any manner of coaxing so it's a very accurate read.

CONS: This is however the most expensive method of tank level indication. You must feed, clothe, house, hear and pretend you are interested in her all the time and she just won't go away.

PROS: The kids in all the camping spots love the fireworks display.
In your case, you might need some stinky gauges....
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Old 10-21-2018, 05:02 AM   #19
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I tried a AP Products propane tank gauge:

https://www.amazon.com/AP-Products-0.../dp/B01C5RQJHS

It a wireless gauge so you can monitor it on your phone. I seems to work better than the LED panel, but it doesn't show each percent it jumps a few percent at a time. I only tested it a bit and used it on one trip so far.

I like it but it uses magnets to mount to the bottom of the tank. My propane tank compartment is open on the bottom and I didn't feel safe driving with it stuck on the tank like that. I was worried if I hit bump and might drop off on the road and be gone. I might come up with a safety mechanism. Until then I'll take if off while traveling.
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Old 10-21-2018, 05:17 AM   #20
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There is a float inside the tank and there is a small magnet in the top of the unit that is attached to the tank. The gauge actually screws into the top of this and reads the level from the magnet.
to add to this there is actually a "gas gauge" (no pun intended) on the tank that shows E to F. there is a small potentiometer attached to the needle that varies resistance to the inside digital gauge.
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