Making a temperature sensor

[NateNewThread]

Hi All,

I had a temperature sensor on a laboratory centrifuge fail on me and the manufacturer doesn't sell parts for the unit anymore because its a bit old. I DID however determine the manufacturer of the temp probe and ordered 2. I'm up to the task of soldering the new probe to the connector wires but what would I use to ensure that the leads don't brush against one another and short something. Do they sell really low ID shrink wrap or is there a putty I could use? Also, if I did use shrink wrap, wouldnt it be not advisable to use heat that close to the temperature sensor?

 

[BobK]

I don't see any problem using heat-shrink on it. The soldering temp is going to higher than that needed for the heat-shrink.

Bob

 

[(*steve*)]

You can get heatshrink tubing with an ID down to 1.5mm (and probably smaller).

It starts shrinking at pretty low temperatures (soldering-wise) so make sure you push it at least a couple of cm along the wire away from where you're soldering.

I use a hot air gun set to between 120C and 150C to shrink the tubing, but there are plenty of other things you can use.

 

[BobK]

Yes, I use a match.

Bob

 

[CDRIVE]

A good hair dryer will work. Admittedly the one I use is over 30 years old.

Chris