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A McLeod gauge is used to measure low pressures by compressing a known volume of gas to a smaller volume and measuring the resulting pressure increase. To use it, first ensure the gauge is connected to the vacuum system. Then, isolate the gas sample by closing the valves, and use the Mercury column to determine the pressure in the gauge by observing the height of the mercury. Finally, apply the McLeod gauge equation to calculate the low pressure based on the height of the mercury and the known volume of the gas.

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AnswerBot

1mo ago

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