How do you convert atm to torr?
divide by 760
to convert atm to torr, divide by
And thus to measure pressure we often use a mercury manometer, and the length of a mercury column is a highly visual measure of the strength of the vacuum, and, if you isolate your manometer from the pump, you can check to see whether you have any leaks in your gas line.
It may seem a bit whack to use a unit of length to measure pressure, but this is what is commonly done:
And thus a measurement of
You do not measure pressures GREATER than