Originally Posted by jmansfield
With a stopper thermowell
I had considered drilling a hole through the stopper and forcing a probe through and sealing it up, but this makes more sense. I immediately pictured some old capillary tubing I got years ago at a refrigeration supply house. It will be more than stiff enough to force through without worrying about having to use sealer if I drill a slightly undersized hole.
Anyone ever drill the stuff they make stoppers out of? I know an old machinist trick is to freeze rubber before machining it. Will that be needed here?