Monitoring the bilge pump

I monitor the battery Voltage and current. I can see when any load is on, and of course whether the battery is discharged. And the bilge level also. Not difficult to install. Commercial product, not home made.
I might be outstandingly daft, but I couldn't find a link to the product itself, which looks like something I'd want. Would you be able to give me a link to the "commercial product" please? (y)
 
100 amp lead acid battery. What size panel would one suggest. Most of the time the boat is laid up ashor with the drain plug removed, But keeping the battery topped up would be a good thing. I use the launch for laying the clubs race marks every year & all the cruiser moorings every 3 years using our air bags.
I wrote an article for PBO all about it but Robert the editor, refused to publish, as he thought it was advertising the airbag. Pity because it would have helped clubs lay moorings dead easy. The biggest we have laid is 2.5 tonnes.

We have hundreds of moorings on Pittwater and 3 or 4 mooring operators. One of the Mooring suppliers is a diver - he uses air bags. An article would have been interesting. It seems ridiculous to refuse an article because it could be interpreted you were promoting an air bag - the readership would largely not be interested in which airbag but in the technique. He could easily have edited out the manufacturer of the airbag - or added a Google search of airbag suppliers.

Jonathan
 
We have hundreds of moorings on Pittwater and 3 or 4 mooring operators. One of the Mooring suppliers is a diver - he uses air bags. An article would have been interesting. It seems ridiculous to refuse an article because it could be interpreted you were promoting an air bag - the readership would largely not be interested in which airbag but in the technique. He could easily have edited out the manufacturer of the airbag - or added a Google search of airbag suppliers.
We lift quite big sinkers. Tow them into position & drop them. I can do 4 per day. I can do 6 race marks a day if the club RIB is in attendance as well
Sinker.jpg
Airbag under tow (600 x 439).jpg
 
Perhaps you are over thinking this?

Mount a rain collection instrument on the boat. That will give you the amount of rainfall between visits.

Calculate from the volume of H²O that the pump can extract from the vessel in a minute and the total surface area of the vessel. This will give you the running time for the pump.
........ and you think he is overthinking the problem !! ?
 
In case anyone is interested, here is a link to my web page describing the bilge monitor I made. How-to Guide: Make a Bilge Monitor - Boat Angling It alerts to the motor running and it warns if the pump has run while left, but doesn't record minutes run. That could easily be added in the light circuit.

Bilge-Monitor2.jpg
 
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