The tube of the manometer is partially filled with mercury or water which settles in the bottom of the u-shaped tube, before the atmosphere being measured is allowed to enter the open end of the tube and move against the... More » Science Measurements

A respirometer calculates the oxygen uptake rate by displacing fluid in a glass tube connected to a sealed container. It includes a substance, such as soda lime pellets, to soak up the carbon dioxide given off. A respiro... More »

Sphygmomanometers indicate a patient's blood pressure by measuring mean arterial pressure and then calculating systolic and diastolic measurements. The device is composed of a dial, pump, cuff and valve. Once the cuff is... More »

A Bourdon pressure gauge works by measuring the amount of change in a coiled or semicircular metal tube by a pressurized fluid inside. This is due to the principle that a flattened tube tends to regain its circular form ... More »

A Galileo thermometer is a sealed glass tube consisting of water and colored glass spheres filled with liquid and connected to metal tags. Each glass sphere and metal tag possesses a different density and represents a ce... More » Science Measurements

Calibrate a thermometer by filling a container with finely crushed ice and water, stirring the mixture and immersing the stem of the thermometer at least 2 inches into the water without touching the sides or bottom of th... More »

One cup of water is equal to eight fluid ounces, 0.5 pints, 0.25 quarts and 0.06 gallons when using U.S. standard measurements for volume. The metric equivalent of one standard U.S. cup is .95 metric cups. More »