>When I asked for ways to put probes underwater to measure temperatures I
>What I meant was that I have used NTC Thermistors (temperature
>varient resistors). My problem is how to seal them so that they
>are waterproof. I have used heat-shrink, but I can't really
>seal the very end of them.
I would make two suggestions for water-proofing.
After the thermister has been soldered to the lead wire, coat it with either
epoxy or a thin layer of silicon sealant, both will stick to the wire
Garson, Ontario, Canada