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Old 13 March 2003, 17:40   #1
Country: Ireland
Town: Dublin
Boat name: wizzard
Length: 7m +
Engine: 225 optimax
Join Date: Sep 2002
Posts: 835
IP ratings

This week we have experienced difficulties with two different Navman products, both have failed due to moisture ingress however both the plotter and the depth sounder are IP 67 (totally watertight immersible to depth of 1m for 30 mins) has anybody else had failures due to water getting in plotter tracker 5600 fishfinder 4200 both Navman cheers gavin

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Old 13 March 2003, 23:26   #2
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Country: UK - England
Town: Southampton
Boat name: Hissing Sid
Make: Ross Smith Cobra
Length: 6m +
Engine: 200HP Optimax
MMSI: 235038046
Join Date: Jun 2002
Posts: 3,803
I've not had any failures with my Navman marine gear but I fit IP rated switch gear etc in the industry I work in (usaully IP68) and all I can say is ...


Mind you if a manufacturer states something is made to IP67 standards (used on oil rigs etc) and you have fitted it to their specifications and still you get an ingress of water then there may be a fault or inaccurate description of that product. Worth a phone call don't you think?
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Old 14 March 2003, 02:06   #3
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Country: UK - Wales
Boat name: The Full Morty II
Make: Air Craft/Shakespere
Length: 8m +
Engine: Etec 300hp/Etec150hp
Join Date: Feb 2001
Posts: 603
on my 3rd replacement navman
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Old 14 March 2003, 02:31   #4
Country: Other
Make: FB 55
Length: 10m +
Join Date: May 2001
Posts: 1,711
DRAT- I have just bought and installed the Navman 500i with the transducer fuel kit! I'll let you know if I come across any problems.
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Old 14 March 2003, 03:00   #5
Country: UK - England
Boat name: Won't get Fooled Again
Make: Ribtec
Length: 6.5
Engine: Honda 130
Join Date: Mar 2002
Posts: 888
I agree with Jizm that water will always find a way, I have ingress problems on a Raymarine Depth sounder and a Simrad radio. Both of which I was assured were made to the highest Standards.

You can always reinforce any vulnerable areas with silkathene and wrap any in line connections in self amalgamating tape. This stuff really does do what it says on the tin!

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Old 14 March 2003, 03:54   #6
Country: UK - England
Town: Saltash, Cornwall
Make: Rib less:-(
Length: no boat
Join Date: Sep 2002
Posts: 693
From memory IP67 doesn't protect you from atmospheric changes sucking in water if laying on it.

As I said on another thread, self amangamating, insulation tape ,skotch cote and denso tape works well, lasts for years


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