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Looking for 5 People to Experiment with Thermocouple/RTD Connectors

rscasny

What's the best way to connect a Thermocouple or an RTD probe to a printed circuit board (PCB). I was asked that question during a call I had with a supplier who manufactures thermocouple and RTD probes, among other things.image

 

It's not a question I am asked frequently. Hmm, good question: soldering, connectors, terminal blocks, etc.

 

At then end of that informative call, they decided to give me some of their new surface mounted Thermocouple/RTD probe connectors to give out to some interested members to experiment with.

 

Who I am Looking for

Anyone can apply by offering a comment below and tell me something about what you had in mind. I think if you were working on a temperature control/monitoring system and were using and connecting thermocouples/RTDs you would be great for this little project. But anyone who has a mind to experiment with these connectors is invited to offer their idea. I will send you some of the connectors to you.

 

I will send you some of these connectors. I'd like you to examine them, experiment with these connectors, and then write a blog on element14.

 

Randall Scasny

--element14 Team

 

 

Message was edited by: Randall Scasny

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  • To some degree it matters what the distance from the actual RTD to the board that is processing the signal is.  If this distance is relatively far (ie across the room or up in a ceiling, etc), then i would use a terminal block or a connector, so that a) its easier to run the wire and then connect, and b)you have more control regarding that the connection is using equivalent materials, and there is no thermal differences at that point (this is assuming the wire to the RTD is sheathed in appropriate material to ensure zero thermal difference as well.

    If the RTD and circuits are next to each other, then soldering is the best way, again, assuming that the solder is being put down in such a way so that mass of the solder for each connection is relatively the same, and the electrical connection is solid. 

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  • To some degree it matters what the distance from the actual RTD to the board that is processing the signal is.  If this distance is relatively far (ie across the room or up in a ceiling, etc), then i would use a terminal block or a connector, so that a) its easier to run the wire and then connect, and b)you have more control regarding that the connection is using equivalent materials, and there is no thermal differences at that point (this is assuming the wire to the RTD is sheathed in appropriate material to ensure zero thermal difference as well.

    If the RTD and circuits are next to each other, then soldering is the best way, again, assuming that the solder is being put down in such a way so that mass of the solder for each connection is relatively the same, and the electrical connection is solid. 

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