On 05/13/2013 11:17 AM, BE Arnold wrote:
In high school science class the teacher brought out a
jar full of it and poured it out on the tabletop (it had an edge).
We got to play with it, tried picking it up with our fingers, etc.
No big deal.
Mercury tilt switches are some of the most reliable devices ever made.
I have a sump pump with one used as a level switch. No problems at all,
even after 33 years of service.
Do precision relays still have mercury-wetted contacts? Or have the
RoHS goons eliminated those too?
--Chuck