RST Engineering wrote:
And remember, there is an absolutely wonderful and free calibration point at
212°F available for nothing more than a pan of water and a hotplate.

If you're at sea level. If your elevation is substantially different from that,
you need to look up the boiling point of water.

George Patterson
Give a person a fish and you feed him for a day; teach a person to
use the Internet and he won't bother you for weeks.