Author Topic: Freezing temps and the display  (Read 4020 times)

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Offline fishbone

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Freezing temps and the display
« on: March 03, 2013, 11:30:43 AM »
My old boat had the DF's removed at the end of every outing and stored in a carry bag.
My new boat just delivered has bow and console units surface mounted.
After several days in sub freezing temps, it dawned on me the units are out there on the boat.
I looked in the manual for temp range specs, but saw none listed.
Does freezing harm these units?
2013 Stratos 189 VLO
E-Tec 150 HO 150hp, 6" JP
80# Fortrex, 2ea 8' Power Poles
HB 998cSI @ Console, HB 999HD SI @ Bow


Offline short grub

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Re: Freezing temps and the display
« Reply #1 on: March 03, 2013, 05:17:51 PM »
 
 Until this year all of my locators have been stored out in a non heated garage with not one problem in 15 years

This year I put a new HB 1198 SI combo on the boat, it comes in the house mainly because of cost to replace if something went wrong or if someone breaks in and steals it

When I bring it in it stops just inside the back porch door because I believe that it should be close to the temp outside to keep from purgeing the nitrogen inside the system due to rapid temp change which will make it non water proof and then not safe to use in bad weather, rain or humid conditions

these are my thoughts anyway

Offline Humminbird_Greg

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Re: Freezing temps and the display
« Reply #2 on: March 04, 2013, 02:56:00 PM »
short grub,
We don’t add Nitrogen to our units.  The only nitrogen in there is from the air we breathe.  Still I agree with your reasoning behind this as thermal cycling will eventually take its toll on most products – not just sonar units.  It is one of the ways that you can prematurely age a product.


I think our units should be good down to about -20C for storage temps so that is like -4F.  It may be lower than that but it may depend on the product.  Let me see if I can get updated information on this and post back.
Greg Walters at Humminbird
gwalters@johnsonoutdoors.com

Offline short grub

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  • Accessories: terrova 80lb w/I*lLink 360transmt
Re: Freezing temps and the display
« Reply #3 on: March 04, 2013, 03:26:33 PM »
understood Greg I thought all HB locators were nitro charged I thought I was told by HB years ago my old LCR 2000 was charged

 oh well, thats how I have keep my units over the years  :)

Offline Humminbird_Greg

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Re: Freezing temps and the display
« Reply #4 on: March 04, 2013, 03:33:00 PM »
No, we never nitro charged ours.  We found out that the plastic is porous enough that any air pressure would end up venting out.
Greg Walters at Humminbird
gwalters@johnsonoutdoors.com

Offline Humminbird_Greg

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Re: Freezing temps and the display
« Reply #5 on: March 04, 2013, 03:42:57 PM »
Confirmed: storage temps are -4F / -20C
Greg Walters at Humminbird
gwalters@johnsonoutdoors.com

Offline short grub

  • Jr. Member
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  • Joined: Jan 2013
  • Location: central Il
  • Posts: 51
  • Unit(s): 1198 SI combo, 1159 DI combo
  • Software: latest
  • Accessories: terrova 80lb w/I*lLink 360transmt
Re: Freezing temps and the display
« Reply #6 on: March 04, 2013, 03:46:47 PM »
  very nice,

 thank you very much Greg

 you are "the man" ..... sir


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