[TechAssist] Re: Off Topic / Swimming pool liner leak in ground
- From: "Ty" <ty1k@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 23 Mar 2004 07:37:51 -0800
Roger,
An underground water pipe or pool liner, the principal is the same. Plastic
being an insulator, and a leak in this plastic provides conduction from
within the plastic container to the outside.
If you read between the lines at Leaktools.com, the same principal applies.
Current flow detection. The only difference is that they are using sound
instead of a meter as an indicator. They can afford to use lower potentials
due to the use of an opamp driven front end on the detection probe. If you
introduce a relatively high frequency into the test current and use a tuned
detector probe, you would have the capability of "pointing" toward the leak.
I doubt that Fuzz would want to make this a week long project. I also did
not want to get elaborate. That is why I used a relatively high voltage and
a simple volt meter.
Ty
Tiberius Kraemer
BLUE STAR ELECTRONICS
3312 Silverton Rd. NE
Salem, Oregon
Phone: 503 391 1491
ty1k@xxxxxxxxxxx
-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Roger G
Sent: Monday, March 22, 2004 3:34 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: Off Topic / Swimming pool liner leak in ground
Ty-
Are you talking about a leak in the plumbing of the pool? Sounds like.
If Fantaj is looking for a leak in the vinyl liner, your idea would
probably work also, but not sure how.
There is a commercial leak detector that pool companies use to find liner
leaks. Had to call them once for mine.
They stick a probe in the ground and scan the liner with another element on
a pole. When they find a hole, a signal (sound or meter or whatever) goes
off. Unit costs about $1000 so recommend calling pool company. I think they
charged $125 but probably higher now.
Here is a link to the company
http://www.leaktools.com/individual/vinyl.htm
At 10:17 AM 03/22/2004, you wrote:
>Hi Fuzz,
>Yes there is a way to narrow down a leak. I used this method to find a leak
>in a situation just like yours. There is a pre requisite though. It works
>only with PVC pipe. Somewhat dangerous, but a man with your background
knows
>what precautions to take.
>Remember the old trick of gathering worms? Introduce a voltage potential
>into the water, and use a probe whit a voltmeter. The higher the reading,
>the closer the leak.
>I used a isolated variable transformer and shoved a wire down the suspect
>tube. For the probe, I used a peace of PVC tube and attached a gutter nail.
>You get the picture.
>I was lucky, the leak was not under concrete.
>I don't know what could be done with a leak under a concrete slab.
>Now if any one has any suggestions as to how to narrow down a leak under a
>concrete slab, I sure would like to know about it.
>I am toying with an idea of a miniature camera, but have bin unable to find
>a suitable candidate for such a modification.
>
>Ty
>
>Tiberius Kraemer
>BLUE STAR ELECTRONICS
>3312 Silverton Rd. NE
>Salem, Oregon
>Phone: 503 391 1491
>ty1k@xxxxxxxxxxx
>
>-----Original Message-----
>From: techassist-bounce@xxxxxxxxxxxxx
>[mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Janet Fantauzzi
>Sent: Monday, March 22, 2004 6:19 AM
>To: techassist@xxxxxxxxxxxxx
>Subject: [TechAssist] Off Topic / Swimming pool liner leak in ground
>
>
>Morning, In need of a way to locate a leak in a in ground swimming pool for
>neighbor.
>is there a chemical I can add to see where the leak is or any ideas
>accepted.
>sorry for this post but they do need help.
>Thanks
>fuzz
>Fantaj Retired
>Belle Vernon, Pa. 15012-9669
>
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Roger G.
Mr. Fix-It
Harrisburg, PA 17110 WebSite- http://mrfixit.netfirms.com
rogerfixit@xxxxxxxx (alternate - rogerfixit@xxxxxxxxxxx )
FAX 510-740-3641; Tel: 717-763-7098 (shop) 717-652-1703(home)
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