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bbradburry(at)bellsouth.n
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 Posted: Fri Jun 22, 2012 11:13 am Post subject: Connecting type K thermocouple |
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I have a thermocouple of the type shown from AC Spruce. I was getting erratic high temp readings and my hangar mate found that the ring terminals on the thermocouple were cutting into the insulation of the adjacent wire and causing a short.
I need to reconnect the wires and would like some suggestions as to a good method. I don't want to go back with ring terminals for obvious reasons, If I use inline crimp connectors, will this affect the reading since these connections would only be about a foot from the exhaust manifold and still inside the engine compartment.\?
Any better suggestions available??
Bill B
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nuckolls.bob(at)aeroelect
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| Posted: Fri Jun 22, 2012 11:49 am Post subject: Connecting type K thermocouple |
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At 02:11 PM 6/22/2012, you wrote:
| Quote: | I have a thermocouple of the type shown from AC Spruce. I was getting erratic high temp readings and my hangar mate found that the ring terminals on the thermocouple were cutting into the insulation of the adjacent wire and causing a short.
I need to reconnect the wires and would like some suggestions as to a good method. I don't want to go back with ring terminals for obvious reasons, If I use inline crimp connectors, will this affect the reading since these connections would only be about a foot from the exhaust manifold and still inside the engine compartment.\?
Any better suggestions available?? |
PIDG butt-splices are fine . . . but permanent.
Is there enough slack in the wires to allow clipping
out a butt-splice and replacing it perhaps a half dozen
times?
You can also silver-solder a j-hook joint and then
put heat shrink over it.
Bob . . . [quote][b]
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bbradburry(at)bellsouth.n
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| Posted: Fri Jun 22, 2012 1:00 pm Post subject: Connecting type K thermocouple |
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The red wire insulation seems to be cracking. Will I burn it with the torch when I try to silver solder it?
Bill B
From: owner-aeroelectric-list-server(at)matronics.com [mailto:owner-aeroelectric-list-server(at)matronics.com] On Behalf Of Robert L. Nuckolls, III
Sent: Friday, June 22, 2012 3:48 PM
To: aeroelectric-list(at)matronics.com
Subject: Re: AeroElectric-List: Connecting type K thermocouple
At 02:11 PM 6/22/2012, you wrote:
I have a thermocouple of the type shown from AC Spruce. I was getting erratic high temp readings and my hangar mate found that the ring terminals on the thermocouple were cutting into the insulation of the adjacent wire and causing a short.
I need to reconnect the wires and would like some suggestions as to a good method. I don't want to go back with ring terminals for obvious reasons, If I use inline crimp connectors, will this affect the reading since these connections would only be about a foot from the exhaust manifold and still inside the engine compartment.\?
Any better suggestions available??
PIDG butt-splices are fine . . . but permanent.
Is there enough slack in the wires to allow clipping
out a butt-splice and replacing it perhaps a half dozen
times?
You can also silver-solder a j-hook joint and then
put heat shrink over it.
Bob . . . | Quote: | | http://www.matronics.com/Navigator?AeroElectric-List |
0123456789
[quote][b]
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nuckolls.bob(at)aeroelect
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| Posted: Fri Jun 22, 2012 3:27 pm Post subject: Connecting type K thermocouple |
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At 03:58 PM 6/22/2012, you wrote:
| Quote: | | The red wire insulation seems to be cracking. Will I burn it with the torch when I try to silver solder it? |
You need to use a very small butane torch
http://tinyurl.com/7mm63u4
my personal favorite is a Bernzomatic product
http://tinyurl.com/7mucxz5
which you can often find at Lowe's, Home Depot,
et. als.
But you will still damage a small amount of insulation
which you'll cover with the shrink.
Bob . . . [quote][b]
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