Segregating thermocouple types !!

manmeetvirdi · Jul 10, 2005

Hello Everybody
Well in our factory ,store guys have un-earthed lots of bundle of thermocouple cables. Problem is all J-type and K-type thermocouples are mixed and there is no tags on them to distinguish it. So can anybody suggest any simple idea to segregate these bundles according to there 'types'?
Regards
Manmeet Singh Virdi

leitmotif · Jul 10, 2005

There is a color code scheme for thermocouples.
If I had that info handy I'd tell you what it is for J and K.
Look up on web for thermocouples ??
Dan Bentler

Bob O · Jul 10, 2005

J Type is a Red [-] and White [+] Wires
K Type is a Red [-] and Yellow [+] Wires

Or you can look here....http://www.omega.com/techref/colorcodes.html

Bob O.

504bloke · Jul 10, 2005

I just bought 200 meters of glass fibre s/s braided J type thermocouple wire here in the UK last week

Colours for me were White - Black +

Jay Anthony · Jul 10, 2005

Use a magnet to detect the Type J. One of the conductors is iron (Fe).

Bob O · Jul 10, 2005

Dave,

Thanks for pointing that out. I didn’t see at the top of the page those colors are good only in US and Canada but over to the far right it shows the international IEC 584-3 colors.

Thanks Again,

Bob O.

BobB · Jul 10, 2005

Use a magnet to detect the Type J. One of the conductors is iron (Fe).

Good suggestion and by far the easiest way.

Be careful of the colour schemes. I have used US, UK and Japanese. Japanese standards have all the leads red and white and only the sheath changes. If there is no sheath you can be in trouble.

The other method is to know the temperature and check the millivolt output against a chart but the metering equipment has to be pretty good.

manmeetvirdi · Jul 11, 2005

Thanx to you all,
I think using magnet to detect J-type thermocouple should work.As this thermocouple is Fe(+)/Constantant(-)(57% Cu and 43% Ni). Lets see!!
Also checking the thermocouples against chart value is also a good method but legnthy one.
Regards
Manmeet

Jay Anthony · Jul 11, 2005

As this thermocouple is Fe(+)/Constantant(-)(57% Cu and 43% Ni).

There are two conductors, so the Fe(+) will be 100% iron.

Segregating thermocouple types !!

manmeetvirdi

Member

leitmotif

Member

Bob O

Member

504bloke

Lifetime Supporting Member

Jay Anthony

Member

Bob O

Member

BobB

Lifetime Supporting Member

manmeetvirdi

Member

Jay Anthony

Member

Similar Topics