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Old 06-04-2012
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Depth meter

The depth meter on my boat doesn't work - it turns on, but the reading jumps from 10ft to 180ft. I want to fix/change it.
With the readings like this - do you think the problem is with the depth meter itself or with the transducer?
It is round shape, mounted to the right of the entrance door.
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Re: Depth meter

Going to need a few more details than just "round" and where it's mounted. Is it your xducer that's round or your gauge? Make? Model?
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Re: Depth meter

Quote:
Originally Posted by McGinnis View Post
Going to need a few more details than just "round" and where it's mounted. Is it your xducer that's round or your gauge? Make? Model?
I should have taken a picture, don't remember unfortunately. Let me see if I can find it. I think it was two words and one of them was "marine" or similar, but I don't remember exactly.

The gauge is round.
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Re: Depth meter

Likely a Datamarine unit... from 30+ years ago. Mine did the same so I picked up a Raymarine ST60 unit on eBay for ~$150 and called it good. Now I just need to haul out and put the ducer in.

If you want my old head unit, ducer or control panel send me a PM.
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Re: Depth meter

Yes, looks like this:
http://www.sailingseadragon.com/Manu...rineS200DL.pdf

it has 8ft/4ft/off switch in front like the picture in the manual.

Can I reuse the transducer? Or they are not interchangeable (probably not :-) )? Does it mean I would need to get the boat out of water to put the transducer?
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Re: Depth meter

Same unit that I had, did the same thing too. From what I know, the ducer isn't interchangeable but honestly I never really looked into it.


Best bet is to haul out. It may be your only bet too. I've heard of owners drilling through the hull while a diver is below. 5200 does setup underwater!
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Re: Depth meter

So, what depth finder should I get? What is the difference - they wary in price wildly, from 85 to 800 dollars.
Should I get something fancier with gps, etc? Or maybe fishfinder, they seem to show the depth as well.

I saw some have transom mount, some have thru hull transducers - which should I chose? How transom mount works - does it mean that it sticks outside, or the hole should be drilled?
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Depth meter

If it is Signet Marine I had problems with my transducer cable. It was pinched and gave errant readings. Put on a removable transducer for $200, sealing the outer fixture with 3M 5200 and can remove it putting in a dummy plug provided!
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Re: Depth meter

DMI Marine (google them) repairs Datamarine instruments. You may want to call them and see if there's a simple test procedure to determine if it's the transducer or the readout. I suspect they could repair the readout and you wouldn't have to do any hull work to change the transducer. Also, if it's the display, they frequently show up on ebay pretty inexpensive.
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Old 06-07-2012
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Re: Depth meter

I called the guys, they say it could be one or another, can't say when the data is erratic.

I have several questions:
1. Are the transducers compatible with one another or they are unique for each device?
2. If I am to replace the depth meter - is it better to reuse the same hole the old transducer was in or drill a new one? Is it hard to remove the old one?
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