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Jan 23rd, 2013
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 Temperature gauge calibration...
#13782228
11/23/20 06:40 PM
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Joined: Feb 2008
Posts: 8,339
Dan21XRS
OP
TFF Celebrity
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OP
TFF Celebrity
Joined: Feb 2008
Posts: 8,339 |
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: Dan21XRS]
#13782238
11/23/20 06:45 PM
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Joined: Nov 2010
Posts: 5,048
Wayne P.
TFF Celebrity
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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 G3N and G4N, 1198c SI, SOLIX 10 SI G3,
Helix 10 MEGA DI+ GPS G3N, SOLIX 12 SI and G3, MEGA 360, MEGA LIVE TL, RC-1
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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: 24,567
T Bird
TFF Guru
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TFF Guru
Joined: Mar 2010
Posts: 24,567 |
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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