nothing in common
stethoscope's purpose is to transmit sound
barometer an manometer measure atmospheric pressure
The function of a manometer is to measure the pressure of a fluid, usually a gas or a liquid. It consists of a sealed tube filled with the fluid being measured, with one end open to the environment and the other end connected to the source of pressure. As the pressure changes, the fluid in the manometer rises or falls, allowing the measurement of the pressure.
To effectively use a manometer to measure pressure, first ensure the manometer is properly calibrated and zeroed. Next, connect one end of the manometer to the system or device where pressure is to be measured. The other end should be open to the atmosphere. The difference in fluid levels in the manometer will indicate the pressure. Read the measurement from the scale on the manometer to determine the pressure accurately.
A barometer is used for measuring atmospheric pressure. The barometer sealed on the top with an open bottom in order to allow air pressure to push down.
It is a type of manometer, an object used to measure the pressure of different things, and the open armed manometer allows for the atmospheric pressure in the tube of the manometer. So the sample gas pressure pushes on the mercury that is already being pushed on by the atmospheric pressure. Then you add the atmospheric pressure to the change in the mercury (in mm) and that gives you your pressure. It's like a tire gauge.
Air is "pushed" into the open end of a barometer when the pressure is higher, meaning the mercury closer to the closed end of the barometer - where the pressure is measured - will rise.
A manometer. Used to measure pressure.
The first barometer that was invented was the MERCURY barometer. a mercury barometer consists of a glass tube open at the bottom end and partially filled with mercury. (:
To solve an open tube manometer problem, you need to calculate the pressure difference between the two points being measured. This can be done by using the equation P1 - P2 gh, where P1 and P2 are the pressures at each point, is the density of the fluid in the manometer, g is the acceleration due to gravity, and h is the height difference between the two fluid levels in the manometer. By rearranging the equation and plugging in the known values, you can find the solution to the problem.
becuase my peepaw said so
A barometer typically consists of a glass tube filled with mercury or a liquid metal, sealed at one end and open at the other. The open end is placed in a container of mercury, allowing atmospheric pressure to push the mercury up the tube. The height of the mercury column is a measure of the atmospheric pressure.
A barometer consists of a glass tube filled with mercury or water, sealed at one end and open at the other. The open end is submerged in a dish of mercury or water to measure air pressure. The height of the liquid in the tube changes with changes in atmospheric pressure.
You can use the bell and diaphragm. A closed bell opens the diaphragm, and a closed diaphragm opens the bell. It depends on what sounds you are looking for when deciding which side of the stethoscope to use.