When air is the working fluid in which pressure measurements are carried out, is small and considerable error can occur in the measurement of with a U-tube manometer. In such instances one can use an inclined tube manometer that amplifies by a factor of . This arrangement is shown in Figure 2.7.
is small and considerable error can occur in the measurement of 
with a U-tube manometer. In such instances one can use an inclined tube manometer that amplifies 
. This arrangement is shown in Figure 2.7.
