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Old 10-04-2007, 02:16   #1
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water tank guage

My boat has two water tanks. It has a nifty littl flow meter that shows the number of liters can be reset to zero. I've now installed a watermaker but the only way I can tell when the tanks are full is by checking the overflow vent. I've looked in the WM catalog for some sort of a guage but found nothing. It seems to me that some years back I saw an ad for a guage that was applied to the exterior of the tank..Anyone know of a solution? Note..I do not want to cut into the tanks. Thanks.

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Old 10-04-2007, 03:05   #2
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< ultrasonic level gauge >, < non-contact gauge >, or < liquid level gauge >.

Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"

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Old 10-04-2007, 04:31   #3
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Tank Tender uses a thin plastic tube to establish a vertical column of air inside the tank. From the panel you pump to remove all the liquid in the column then it relevels itself to measure the inches in the tank based on the air pressure difference in the tube. The air displaced exterts presure read from a guage. It's up to you to convert inches to the % full. On a regualr shaped tank it's simple but can be calibrated to any shape tank.

There are no wires or electrical connections used on anything. You only have to route the tubing from the meter to the tank. Anything else will require electrical connections and electrcicity to read the guage.
Paul Blais
s/v Bright Eyes Gozzard 36
37 15.7 N 76 28.9 W
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Old 10-04-2007, 07:24   #4
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What I have that works great is just a see through tube connected to the outlet on the bottom of the tank to above the top of the tank. The exact water level can be seen through the tube. I have water level marks marked on the tube to show me the gallons in the tank.
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