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Barometers measure atmospheric pressure using a glass tube filled with mercury, while water pressure in structures is measured using a pressure gauge. To measure water pressure, shut off all water sources, connect the gauge to a water source, and take a reading. Contact the local water company for acceptable pressure ranges.
There are a number of devices that can be used to measure pressure. A barometer is used to track changes in atmospheric pressure. The water pressure in a house or other structure is measured using a special pressure gauge designed specifically for this purpose.
The word barometer comes from two Greek words meaning “weight” and “measure.” This device for measuring pressure was invented in 1643 by Evangelista Torricelli. The barometer is made with a glass tube that is placed in a container of mercury. To function properly, the glass tube must be emptied of all air.
The air surrounding the mercury container pushes it downwards. Due to the fact that the glass tube is a vacuum, the mercury is pushed up the tube. Measuring pressure in air is a simple matter of reading the number of inches of mercury that are displaced as the level changes.
This method of measuring pressure can be used with other liquids instead of mercury. Water is a common liquid that can be used for this purpose. Since mercury is denser than water, it is the liquid that is usually used in barometers.
Water pressure can be measured in a house or any other type of structure using a pressure gauge. To find one, visit a local hardware or building supplies retailer. To get a static water pressure reading in a building, the first step in the process is to shut off all water in the structure. Once all faucets and other water sources in the building are turned off, the next step in measuring pressure is to connect the water gauge to a connection where water enters the building. If you’re looking to measure the water pressure in your home, the cold water connector for your washing machine is a good choice.
Once the water gauge is connected, turn on the water and let it enter the gauge. Take a reading after water has entered the pressure gauge to find the static water pressure for the structure. Once you have noted the number, the process is complete and you can unplug the gauge. Make sure you turn off the water first.
To find out what level you should look for when measuring blood pressure, ask your local water company for help. Contact them to ask what the static pressure should be for the area where the building is located. Some companies will provide a range of acceptable water pressure readings. When measuring water pressure inside a building, the number on the gauge can refer to pounds per square inch or PSI. This unit of measurement is used in the US and UK.
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