I was never quite sure that the PRC made thermometer I'd ordered was being accurate or had repeatable accuracy-there were results that the molds were showing that indicated that the temperature shown was not correct.
When I got a new cooker (grill/smoker) made by a nice company named "Southern Q" I was pleased to discover that installed in the US Made cooker was a US made thermometer manufactured by Tel-Tru and I couldn't help but look them up...
and yes, they manufacture a thermometer suitable for lead pots and it is less than $10 more than the imported piece of junk!
https://www.teltru.com/p-268-laborat...inch-dial.aspx
I've got one of their meat thermometers coming too...
https://www.teltru.com/p-227-meat-co...degrees-f.aspx
And they have a sense of humor!
https://www.teltru.com/p-284-roadkil...er-rk275r.aspx