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 Temperature gauge calibration...
#13782228
11/23/20 06:40 PM
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Joined: Feb 2008
Posts: 15,430
DanXB-21
OP
TFF Guru
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OP
TFF Guru
Joined: Feb 2008
Posts: 15,430 |
Is there any way to calibrate the temperature gauges on a Humminbird graph. I've got 2 Helix 10's, one on the trolling motor and one on the transom and they read about 3-4 degrees different. I know there's the Temperature Offset function but how do I determine which one's correct???... Dan
"The problem with having a sense of humor is often that people you use it on aren't in a very good mood"...
Lou Holtz
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Re: Temperature gauge calibration...
[Re: DanXB-21]
#13782238
11/23/20 06:45 PM
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Joined: Nov 2010
Posts: 5,163
Wayne P.
TFF Celebrity
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TFF Celebrity
Joined: Nov 2010
Posts: 5,163 |
You measure the water with a known accurate thermometer at the depth that the transducers are.
The trolling motor transducer has to be submerged long enough to actually measure the water temp accurately.
Last edited by Wayne P.; 11/23/20 09:51 PM.
Helix 12 CHIRP MEGA SI+ GPS G4N, SOLIX 10 G3, Helix 15 CHIRP MEGA SI+ GPS G4N,
Helix 8 CHIRP MEGA SI+ GPS G4N, SOLIX 12 G3, MEGA 360, MEGA LIVE TL , MEGA LIVE 2, Xplore 10
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Re: Temperature gauge calibration...
[Re: Wayne P.]
#13782376
11/23/20 08:49 PM
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Joined: Mar 2010
Posts: 29,092
T Bird
TFF Guru
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TFF Guru
Joined: Mar 2010
Posts: 29,092 |
You measure the water them with a known accurate thermometer at the depth that the transducers are.
The trolling motor transducer has to be submerged long enough to actually measure the water temp accurately. 
Okie by birth, Texan by choice. ![[Linked Image]](https://texasfishingforum.com/forums/pics/userpics/2021/01/full-47849-80883-111.jpg) USAF "Thunderbirds" Alumni 1985-1989
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