The technical term for the device is sphygmomanometer, but it can also simply be called a blood pressure meter. The device consists of a inflatable cuff and a Mercury or mechanical manometer. It determines at what pressure does blood flow become impeded and at what pressure does blood flow start.
apparatus
Mercury is used in blood pressure apparatus for its density and stable liquid state under a range of temperatures, allowing for accurate measurement. However, due to environmental and health concerns associated with mercury, digital or aneroid blood pressure monitors are now more commonly used.
used to chemical test
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A test tube rack.
The most commonly used apparatus in chemical lab. is a Test tube, every chemical or its chemical properties are checked with the help of test tube.
A barometer is the apparatus used for measuring atmospheric pressure. It works by balancing the weight of the atmosphere against a column of mercury or other fluid, which in turn reflects the pressure of the air above it.
Autoclave.
A test pressure whcih is used to perform hydro test is known as hydro test pressure, besically the hydro test pressure is more then the design pressure of pipe, tank, pressure vessel ..................
A coolant pressure test is used to detect a leak on the coolant system.
The apparatus used to demonstrate osmosis is called an osmometer or an osmotic pressure apparatus. It typically consists of a semi-permeable membrane that allows only solvent molecules to pass through, demonstrating the movement of solvent molecules across membranes due to osmotic pressure.
A sphygmomanometer is used to measure blood pressure. It consists of an inflatable cuff to restrict blood flow, a pressure gauge to measure the pressure in the cuff, and a stethoscope to detect the sounds of blood flowing through an artery.