First WEMA failure

[Delezynski]

We installed our WEMA quantity system back in 02 or 03. We have one gauge for two water tanks, and one for one fuel tank.

This year we had the first failure of a part of our system. :cry:

After a few weeks, our port water tank was not reading correctly. The tank often was reading full or empty when we knew otherwise!

Today, I opened up the port tank and did some checking. At first I thought it was a loose or corroded splice. BUT, once I took the probe out I saw the problem. The plastic outside tube had broken at the top and allowed water to get into the resisters in the inner tube.

A quick email to WEMA and I got the part number for the new (replacement) part for the original unit. They now appear to be made of metal so should be a lot tougher.

I am NOT complaining! I AM VERY happy with the service I have been getting from the units and the quick reply from WEMA!

I really like the system!!!

Standard disclaimer, not connected in any way other than satisfied user.

Greg

 

[Chief RA]

Greg: I see why you like it. The fixed resistors providing 1/4 tank readings appears to be more reliable than the old wrapped wire rheostat method. We will head for Lake Havasu the 28th! Your won't be in Phoenix then, will you? Chief

 

[Delezynski]

Greg: I see why you like it. The fixed resistors providing 1/4 tank readings appears to be more reliable than the old wrapped wire rheostat method. We will head for Lake Havasu the 28th! Your won't be in Phoenix then, will you? Chief

Chief,

It provides much more than 1/4 tank readings. Much more accurate than that. The old probe has at about 10 resisters and reed switches in it. Could not help myself, HAD to take it apart to see what makes it tick...

We will be in the Phoenix area. Plan now are to head back out next Feb/Mar. or so????

Greg

 

[Chief RA]

Gottcha, I missed the ..... in the diagram indicating many more resistors. My RV uses that method but only a 4 resistor unit in each tank.
Glad to hear you will be in Phoenix. Maybe we can figure out how to get together. Chief

 

[Delezynski]

Should be some way we can meet-up.

Greg

 

[JamesG161]

I have the same good experience with WEMA. I replaced all but one of my old (14yrs) WEMA sensors like you showed. 5x$50=$250 for state of art.

I checked the old water tank sensor and it worked when out of the tank but not when reinstalled.

I then put the sensor in a bucket of water still connected to the boat gauge. It didn't work.

Why?

The float didn't float.
It had become water logged.

The new floats have a water/diesel proof coating.
Jim....

PS: @Chief RA mine reads about 1/16th tank increments, they tell you the length of each relay and divide that into total length of your sensor. My 22cm sensor had 17 relays = 6% changes. Plus this relay type "damps" tank changes in moderate seas.